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< a href = "#func-members" > Functions< / a > < / div >
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< div class = "headertitle" > < div class = "title" > sol1.c File Reference< / div > < / div >
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< div class = "contents" >
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< p > < a href = "https://projecteuler.net/problem=13" target = "_blank" > Problem 13< / a > solution
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< a href = "#details" > More...< / a > < / p >
< div class = "textblock" > < code > #include < stdint.h> < / code > < br / >
< code > #include < stdio.h> < / code > < br / >
< code > #include < stdlib.h> < / code > < br / >
< code > #include < string.h> < / code > < br / >
< / div > < div class = "textblock" > < div class = "dynheader" >
Include dependency graph for sol1.c:< / div >
< div class = "dyncontent" >
< div class = "center" > < iframe scrolling = "no" frameborder = "0" src = "../../db/d74/problem__13_2sol1_8c__incl.svg" width = "340" height = "127" > < p > < b > This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.< / b > < / p > < / iframe >
< / div >
< / div >
< / div > < table class = "memberdecls" >
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Functions< / h2 > < / td > < / tr >
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< tr class = "memitem:ac260f58785fb20eb09bb35385a7d47f8" > < td class = "memItemLeft" align = "right" valign = "top" > int  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "../../db/d01/problem__13_2sol1_8c.html#ac260f58785fb20eb09bb35385a7d47f8" > get_number< / a > (FILE *fp, char *< a class = "el" href = "../../dd/da2/structbuffer.html" > buffer< / a > , uint8_t *out_int)< / td > < / tr >
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< tr class = "memdesc:ac260f58785fb20eb09bb35385a7d47f8" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Function to read the number from a file and store it in array. < a href = "../../db/d01/problem__13_2sol1_8c.html#ac260f58785fb20eb09bb35385a7d47f8" > More...< / a > < br / > < / td > < / tr >
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< tr class = "separator:ac260f58785fb20eb09bb35385a7d47f8" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
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< tr class = "memitem:ad51742ca5a5c99e860bdf30299163bf2" > < td class = "memItemLeft" align = "right" valign = "top" > int  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "../../db/d01/problem__13_2sol1_8c.html#ad51742ca5a5c99e860bdf30299163bf2" > add_numbers< / a > (uint8_t *a, uint8_t *b, uint8_t N)< / td > < / tr >
< tr class = "memdesc:ad51742ca5a5c99e860bdf30299163bf2" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Function to add arbitrary length decimal integers stored in an array. < a href = "../../db/d01/problem__13_2sol1_8c.html#ad51742ca5a5c99e860bdf30299163bf2" > More...< / a > < br / > < / td > < / tr >
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< tr class = "separator:ad51742ca5a5c99e860bdf30299163bf2" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
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< tr class = "memitem:a248adc917818cc6666d8bc679a660319" > < td class = "memItemLeft" align = "right" valign = "top" > int  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "../../db/d01/problem__13_2sol1_8c.html#a248adc917818cc6666d8bc679a660319" > print_number< / a > (uint8_t *number, uint8_t N, int8_t num_digits_to_print)< / td > < / tr >
< tr class = "memdesc:a248adc917818cc6666d8bc679a660319" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Function to print a long number. < a href = "../../db/d01/problem__13_2sol1_8c.html#a248adc917818cc6666d8bc679a660319" > More...< / a > < br / > < / td > < / tr >
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< tr class = "separator:a248adc917818cc6666d8bc679a660319" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
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< tr class = "memitem:a840291bc02cba5474a4cb46a9b9566fe" > < td class = "memItemLeft" align = "right" valign = "top" > int  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "../../db/d01/problem__13_2sol1_8c.html#a840291bc02cba5474a4cb46a9b9566fe" > main< / a > (void)< / td > < / tr >
< tr class = "memdesc:a840291bc02cba5474a4cb46a9b9566fe" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Main function. < a href = "../../db/d01/problem__13_2sol1_8c.html#a840291bc02cba5474a4cb46a9b9566fe" > More...< / a > < br / > < / td > < / tr >
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< tr class = "separator:a840291bc02cba5474a4cb46a9b9566fe" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< / table >
< a name = "details" id = "details" > < / a > < h2 class = "groupheader" > Detailed Description< / h2 >
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< div class = "textblock" > < p > < a href = "https://projecteuler.net/problem=13" target = "_blank" > Problem 13< / a > solution < / p >
< dl class = "section author" > < dt > Author< / dt > < dd > < a href = "https://github.com/kvedala" target = "_blank" > Krishna Vedala< / a > < / dd > < / dl >
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< / div > < h2 class = "groupheader" > Function Documentation< / h2 >
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< a id = "ad51742ca5a5c99e860bdf30299163bf2" name = "ad51742ca5a5c99e860bdf30299163bf2" > < / a >
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< h2 class = "memtitle" > < span class = "permalink" > < a href = "#ad51742ca5a5c99e860bdf30299163bf2" > ◆ < / a > < / span > add_numbers()< / h2 >
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
< td class = "memname" > int add_numbers < / td >
< td > (< / td >
< td class = "paramtype" > uint8_t *  < / td >
< td class = "paramname" > < em > a< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint8_t *  < / td >
< td class = "paramname" > < em > b< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint8_t  < / td >
< td class = "paramname" > < em > N< / em >   < / td >
< / tr >
< tr >
< td > < / td >
< td > )< / td >
< td > < / td > < td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
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< p > Function to add arbitrary length decimal integers stored in an array. < / p >
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< p > a + b = c = new b < / p >
< div class = "fragment" > < div class = "line" > < a id = "l00049" name = "l00049" > < / a > < span class = "lineno" > 49< / span > {< / div >
< div class = "line" > < a id = "l00050" name = "l00050" > < / a > < span class = "lineno" > 50< / span > < span class = "keywordtype" > int< / span > carry = 0;< / div >
< div class = "line" > < a id = "l00051" name = "l00051" > < / a > < span class = "lineno" > 51< / span > uint8_t *c = b; < span class = "comment" > /* accumulate the result in the array ' b' */< / span > < / div >
< div class = "line" > < a id = "l00052" name = "l00052" > < / a > < span class = "lineno" > 52< / span > < / div >
< div class = "line" > < a id = "l00053" name = "l00053" > < / a > < span class = "lineno" > 53< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < N; i++)< / div >
< div class = "line" > < a id = "l00054" name = "l00054" > < / a > < span class = "lineno" > 54< / span > {< / div >
< div class = "line" > < a id = "l00055" name = "l00055" > < / a > < span class = "lineno" > 55< / span > < span class = "comment" > // printf(" \t%d + %d + %d " , a[i], b[i], carry);< / span > < / div >
< div class = "line" > < a id = "l00056" name = "l00056" > < / a > < span class = "lineno" > 56< / span > c[i] = carry + a[i] + b[i]; < span class = "comment" > // NOLINT // This is a known false-positive< / span > < / div >
< div class = "line" > < a id = "l00057" name = "l00057" > < / a > < span class = "lineno" > 57< / span > < span class = "keywordflow" > if< / span > (c[i] > 9) < span class = "comment" > /* check for carry */< / span > < / div >
< div class = "line" > < a id = "l00058" name = "l00058" > < / a > < span class = "lineno" > 58< / span > {< / div >
< div class = "line" > < a id = "l00059" name = "l00059" > < / a > < span class = "lineno" > 59< / span > carry = 1;< / div >
< div class = "line" > < a id = "l00060" name = "l00060" > < / a > < span class = "lineno" > 60< / span > c[i] -= 10;< / div >
< div class = "line" > < a id = "l00061" name = "l00061" > < / a > < span class = "lineno" > 61< / span > }< / div >
< div class = "line" > < a id = "l00062" name = "l00062" > < / a > < span class = "lineno" > 62< / span > < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a id = "l00063" name = "l00063" > < / a > < span class = "lineno" > 63< / span > {< / div >
< div class = "line" > < a id = "l00064" name = "l00064" > < / a > < span class = "lineno" > 64< / span > carry = 0;< / div >
< div class = "line" > < a id = "l00065" name = "l00065" > < / a > < span class = "lineno" > 65< / span > }< / div >
< div class = "line" > < a id = "l00066" name = "l00066" > < / a > < span class = "lineno" > 66< / span > < span class = "comment" > // printf(" = %d, %d\n" , carry, c[i]);< / span > < / div >
< div class = "line" > < a id = "l00067" name = "l00067" > < / a > < span class = "lineno" > 67< / span > }< / div >
< div class = "line" > < a id = "l00068" name = "l00068" > < / a > < span class = "lineno" > 68< / span > < / div >
< div class = "line" > < a id = "l00069" name = "l00069" > < / a > < span class = "lineno" > 69< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = N; i < N + 10; i++)< / div >
< div class = "line" > < a id = "l00070" name = "l00070" > < / a > < span class = "lineno" > 70< / span > {< / div >
< div class = "line" > < a id = "l00071" name = "l00071" > < / a > < span class = "lineno" > 71< / span > < span class = "keywordflow" > if< / span > (carry == 0)< / div >
< div class = "line" > < a id = "l00072" name = "l00072" > < / a > < span class = "lineno" > 72< / span > {< / div >
< div class = "line" > < a id = "l00073" name = "l00073" > < / a > < span class = "lineno" > 73< / span > < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l00074" name = "l00074" > < / a > < span class = "lineno" > 74< / span > }< / div >
< div class = "line" > < a id = "l00075" name = "l00075" > < / a > < span class = "lineno" > 75< / span > < span class = "comment" > // printf(" \t0 + %d + %d " , b[i], carry);< / span > < / div >
< div class = "line" > < a id = "l00076" name = "l00076" > < / a > < span class = "lineno" > 76< / span > c[i] = carry + c[i];< / div >
< div class = "line" > < a id = "l00077" name = "l00077" > < / a > < span class = "lineno" > 77< / span > < span class = "keywordflow" > if< / span > (c[i] > 9)< / div >
< div class = "line" > < a id = "l00078" name = "l00078" > < / a > < span class = "lineno" > 78< / span > {< / div >
< div class = "line" > < a id = "l00079" name = "l00079" > < / a > < span class = "lineno" > 79< / span > carry = 1;< / div >
< div class = "line" > < a id = "l00080" name = "l00080" > < / a > < span class = "lineno" > 80< / span > c[i] -= 10;< / div >
< div class = "line" > < a id = "l00081" name = "l00081" > < / a > < span class = "lineno" > 81< / span > }< / div >
< div class = "line" > < a id = "l00082" name = "l00082" > < / a > < span class = "lineno" > 82< / span > < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a id = "l00083" name = "l00083" > < / a > < span class = "lineno" > 83< / span > {< / div >
< div class = "line" > < a id = "l00084" name = "l00084" > < / a > < span class = "lineno" > 84< / span > carry = 0;< / div >
< div class = "line" > < a id = "l00085" name = "l00085" > < / a > < span class = "lineno" > 85< / span > }< / div >
< div class = "line" > < a id = "l00086" name = "l00086" > < / a > < span class = "lineno" > 86< / span > < span class = "comment" > // printf(" = %d, %d\n" , carry, c[i]);< / span > < / div >
< div class = "line" > < a id = "l00087" name = "l00087" > < / a > < span class = "lineno" > 87< / span > }< / div >
< div class = "line" > < a id = "l00088" name = "l00088" > < / a > < span class = "lineno" > 88< / span > < span class = "keywordflow" > return< / span > 0;< / div >
< div class = "line" > < a id = "l00089" name = "l00089" > < / a > < span class = "lineno" > 89< / span > }< / div >
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< / div > <!-- fragment -->
< / div >
< / div >
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< a id = "ac260f58785fb20eb09bb35385a7d47f8" name = "ac260f58785fb20eb09bb35385a7d47f8" > < / a >
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< h2 class = "memtitle" > < span class = "permalink" > < a href = "#ac260f58785fb20eb09bb35385a7d47f8" > ◆ < / a > < / span > get_number()< / h2 >
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
< td class = "memname" > int get_number < / td >
< td > (< / td >
< td class = "paramtype" > FILE *  < / td >
< td class = "paramname" > < em > fp< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > char *  < / td >
< td class = "paramname" > < em > buffer< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint8_t *  < / td >
< td class = "paramname" > < em > out_int< / em >   < / td >
< / tr >
< tr >
< td > < / td >
< td > )< / td >
< td > < / td > < td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
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< p > Function to read the number from a file and store it in array. < / p >
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< p > < br / >
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index 0 of output buffer => units place < br / >
index 1 of output buffer => tens place and so on i.e., index i => 10^i th place < / p >
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< div class = "fragment" > < div class = "line" > < a id = "l00017" name = "l00017" > < / a > < span class = "lineno" > 17< / span > {< / div >
< div class = "line" > < a id = "l00018" name = "l00018" > < / a > < span class = "lineno" > 18< / span > < span class = "keywordtype" > long< / span > l = fscanf(fp, < span class = "stringliteral" > " %s\n" < / span > , < a class = "code hl_struct" href = "../../dd/da2/structbuffer.html" > buffer< / a > );< / div >
< div class = "line" > < a id = "l00019" name = "l00019" > < / a > < span class = "lineno" > 19< / span > < span class = "keywordflow" > if< / span > (!l)< / div >
< div class = "line" > < a id = "l00020" name = "l00020" > < / a > < span class = "lineno" > 20< / span > {< / div >
< div class = "line" > < a id = "l00021" name = "l00021" > < / a > < span class = "lineno" > 21< / span > perror(< span class = "stringliteral" > " Error reading line." < / span > );< / div >
< div class = "line" > < a id = "l00022" name = "l00022" > < / a > < span class = "lineno" > 22< / span > < span class = "keywordflow" > return< / span > -1;< / div >
< div class = "line" > < a id = "l00023" name = "l00023" > < / a > < span class = "lineno" > 23< / span > }< / div >
< div class = "line" > < a id = "l00024" name = "l00024" > < / a > < span class = "lineno" > 24< / span > < span class = "comment" > // printf(" Number: %s\t length: %ld, %ld\n" , buffer, strlen(buffer), l);< / span > < / div >
< div class = "line" > < a id = "l00025" name = "l00025" > < / a > < span class = "lineno" > 25< / span > < / div >
< div class = "line" > < a id = "l00026" name = "l00026" > < / a > < span class = "lineno" > 26< / span > < span class = "keywordtype" > long< / span > < a class = "code hl_struct" href = "../../df/db3/struct_l.html" > L< / a > = strlen(< a class = "code hl_struct" href = "../../dd/da2/structbuffer.html" > buffer< / a > );< / div >
< div class = "line" > < a id = "l00027" name = "l00027" > < / a > < span class = "lineno" > 27< / span > < / div >
< div class = "line" > < a id = "l00028" name = "l00028" > < / a > < span class = "lineno" > 28< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < < a class = "code hl_struct" href = "../../df/db3/struct_l.html" > L< / a > ; i++)< / div >
< div class = "line" > < a id = "l00029" name = "l00029" > < / a > < span class = "lineno" > 29< / span > {< / div >
< div class = "line" > < a id = "l00030" name = "l00030" > < / a > < span class = "lineno" > 30< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_struct" href = "../../dd/da2/structbuffer.html" > buffer< / a > [i] < 0x30 || < a class = "code hl_struct" href = "../../dd/da2/structbuffer.html" > buffer< / a > [i] > 0x39)< / div >
< div class = "line" > < a id = "l00031" name = "l00031" > < / a > < span class = "lineno" > 31< / span > {< / div >
< div class = "line" > < a id = "l00032" name = "l00032" > < / a > < span class = "lineno" > 32< / span > perror(< span class = "stringliteral" > " found inavlid character in the number!" < / span > );< / div >
< div class = "line" > < a id = "l00033" name = "l00033" > < / a > < span class = "lineno" > 33< / span > < span class = "keywordflow" > return< / span > -1;< / div >
< div class = "line" > < a id = "l00034" name = "l00034" > < / a > < span class = "lineno" > 34< / span > }< / div >
< div class = "line" > < a id = "l00035" name = "l00035" > < / a > < span class = "lineno" > 35< / span > < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a id = "l00036" name = "l00036" > < / a > < span class = "lineno" > 36< / span > {< / div >
< div class = "line" > < a id = "l00037" name = "l00037" > < / a > < span class = "lineno" > 37< / span > out_int[< a class = "code hl_struct" href = "../../df/db3/struct_l.html" > L< / a > - i - 1] = < a class = "code hl_struct" href = "../../dd/da2/structbuffer.html" > buffer< / a > [i] - 0x30;< / div >
< div class = "line" > < a id = "l00038" name = "l00038" > < / a > < span class = "lineno" > 38< / span > }< / div >
< div class = "line" > < a id = "l00039" name = "l00039" > < / a > < span class = "lineno" > 39< / span > }< / div >
< div class = "line" > < a id = "l00040" name = "l00040" > < / a > < span class = "lineno" > 40< / span > < / div >
< div class = "line" > < a id = "l00041" name = "l00041" > < / a > < span class = "lineno" > 41< / span > < span class = "keywordflow" > return< / span > 0;< / div >
< div class = "line" > < a id = "l00042" name = "l00042" > < / a > < span class = "lineno" > 42< / span > }< / div >
2021-02-06 03:52:57 +08:00
< div class = "ttc" id = "astruct_l_html" > < div class = "ttname" > < a href = "../../df/db3/struct_l.html" > L< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > list.h:8< / div > < / div >
2021-10-26 03:34:27 +08:00
< div class = "ttc" id = "astructbuffer_html" > < div class = "ttname" > < a href = "../../dd/da2/structbuffer.html" > buffer< / a > < / div > < div class = "ttdoc" > struct used to store character in certain times< / div > < div class = "ttdef" > < b > Definition:< / b > min_printf.h:31< / div > < / div >
< / div > <!-- fragment -->
< / div >
< / div >
< a id = "a840291bc02cba5474a4cb46a9b9566fe" name = "a840291bc02cba5474a4cb46a9b9566fe" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a840291bc02cba5474a4cb46a9b9566fe" > ◆ < / a > < / span > main()< / h2 >
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
< td class = "memname" > int main < / td >
< td > (< / td >
< td class = "paramtype" > void  < / td >
< td class = "paramname" > < / td > < td > )< / td >
< td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > Main function. < / p >
< div class = "fragment" > < div class = "line" > < a id = "l00124" name = "l00124" > < / a > < span class = "lineno" > 124< / span > {< / div >
< div class = "line" > < a id = "l00125" name = "l00125" > < / a > < span class = "lineno" > 125< / span > < span class = "comment" > /* number of digits of the large number */< / span > < / div >
< div class = "line" > < a id = "l00126" name = "l00126" > < / a > < span class = "lineno" > 126< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > N = 10;< / div >
< div class = "line" > < a id = "l00127" name = "l00127" > < / a > < span class = "lineno" > 127< / span > < span class = "comment" > /* number of digits in output number */< / span > < / div >
< div class = "line" > < a id = "l00128" name = "l00128" > < / a > < span class = "lineno" > 128< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > N2 = N + 10;< / div >
< div class = "line" > < a id = "l00129" name = "l00129" > < / a > < span class = "lineno" > 129< / span > < / div >
< div class = "line" > < a id = "l00130" name = "l00130" > < / a > < span class = "lineno" > 130< / span > < span class = "comment" > // const char N = 50, N2 = N+10; /* length of numbers */< / span > < / div >
< div class = "line" > < a id = "l00131" name = "l00131" > < / a > < span class = "lineno" > 131< / span > < span class = "keywordtype" > char< / span > *txt_buffer =< / div >
< div class = "line" > < a id = "l00132" name = "l00132" > < / a > < span class = "lineno" > 132< / span > (< span class = "keywordtype" > char< / span > *)< a class = "code hl_define" href = "../../d2/ddd/malloc__dbg_8h.html#afdddaa949a93c1ef559a638e98f9c21b" > calloc< / a > (N + 5, < span class = "keyword" > sizeof< / span > (< span class = "keywordtype" > char< / span > )); < span class = "comment" > /* temporary buffer */< / span > < / div >
< div class = "line" > < a id = "l00133" name = "l00133" > < / a > < span class = "lineno" > 133< / span > uint8_t *number = (uint8_t *)< a class = "code hl_define" href = "../../d2/ddd/malloc__dbg_8h.html#afdddaa949a93c1ef559a638e98f9c21b" > calloc< / a > (< / div >
< div class = "line" > < a id = "l00134" name = "l00134" > < / a > < span class = "lineno" > 134< / span > N, < span class = "keyword" > sizeof< / span > (uint8_t)); < span class = "comment" > /* array to store digits of a large number */< / span > < / div >
< div class = "line" > < a id = "l00135" name = "l00135" > < / a > < span class = "lineno" > 135< / span > uint8_t *sum = (uint8_t *)< a class = "code hl_define" href = "../../d2/ddd/malloc__dbg_8h.html#afdddaa949a93c1ef559a638e98f9c21b" > calloc< / a > (< / div >
< div class = "line" > < a id = "l00136" name = "l00136" > < / a > < span class = "lineno" > 136< / span > N2, < span class = "keyword" > sizeof< / span > (uint8_t)); < span class = "comment" > /* array to store the sum of the large< / span > < / div >
< div class = "line" > < a id = "l00137" name = "l00137" > < / a > < span class = "lineno" > 137< / span > < span class = "comment" > numbers. For safety, we make it twice the length of a number. */< / span > < / div >
< div class = "line" > < a id = "l00138" name = "l00138" > < / a > < span class = "lineno" > 138< / span > < / div >
< div class = "line" > < a id = "l00139" name = "l00139" > < / a > < span class = "lineno" > 139< / span > FILE *fp = fopen(< span class = "stringliteral" > " num.txt" < / span > , < span class = "stringliteral" > " rt" < / span > ); < span class = "comment" > /* open text file to read */< / span > < / div >
< div class = "line" > < a id = "l00140" name = "l00140" > < / a > < span class = "lineno" > 140< / span > < span class = "keywordflow" > if< / span > (!fp)< / div >
< div class = "line" > < a id = "l00141" name = "l00141" > < / a > < span class = "lineno" > 141< / span > {< / div >
< div class = "line" > < a id = "l00142" name = "l00142" > < / a > < span class = "lineno" > 142< / span > perror(< span class = "stringliteral" > " Unable to open file ' num.txt' ." < / span > );< / div >
< div class = "line" > < a id = "l00143" name = "l00143" > < / a > < span class = "lineno" > 143< / span > < a class = "code hl_define" href = "../../d2/ddd/malloc__dbg_8h.html#a9cc854374299a1dd933bf62029761768" > free< / a > (txt_buffer);< / div >
< div class = "line" > < a id = "l00144" name = "l00144" > < / a > < span class = "lineno" > 144< / span > < a class = "code hl_define" href = "../../d2/ddd/malloc__dbg_8h.html#a9cc854374299a1dd933bf62029761768" > free< / a > (sum);< / div >
< div class = "line" > < a id = "l00145" name = "l00145" > < / a > < span class = "lineno" > 145< / span > < a class = "code hl_define" href = "../../d2/ddd/malloc__dbg_8h.html#a9cc854374299a1dd933bf62029761768" > free< / a > (number);< / div >
< div class = "line" > < a id = "l00146" name = "l00146" > < / a > < span class = "lineno" > 146< / span > < span class = "keywordflow" > return< / span > -1;< / div >
< div class = "line" > < a id = "l00147" name = "l00147" > < / a > < span class = "lineno" > 147< / span > }< / div >
< div class = "line" > < a id = "l00148" name = "l00148" > < / a > < span class = "lineno" > 148< / span > < / div >
< div class = "line" > < a id = "l00149" name = "l00149" > < / a > < span class = "lineno" > 149< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_function" href = "../../d1/ded/group__misc.html#ga6f8e8c9d25b5891d57e588d80d75028a" > count< / a > = 0;< / div >
< div class = "line" > < a id = "l00150" name = "l00150" > < / a > < span class = "lineno" > 150< / span > < a class = "code hl_function" href = "../../db/d01/problem__13_2sol1_8c.html#ac260f58785fb20eb09bb35385a7d47f8" > get_number< / a > (fp, txt_buffer, sum); < span class = "comment" > /* 0 + = first_number = first_number */< / span > < / div >
< div class = "line" > < a id = "l00151" name = "l00151" > < / a > < span class = "lineno" > 151< / span > < span class = "keywordflow" > do< / span > < / div >
< div class = "line" > < a id = "l00152" name = "l00152" > < / a > < span class = "lineno" > 152< / span > {< / div >
< div class = "line" > < a id = "l00153" name = "l00153" > < / a > < span class = "lineno" > 153< / span > < a class = "code hl_function" href = "../../d1/ded/group__misc.html#ga6f8e8c9d25b5891d57e588d80d75028a" > count< / a > ++;< / div >
< div class = "line" > < a id = "l00154" name = "l00154" > < / a > < span class = "lineno" > 154< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_function" href = "../../db/d01/problem__13_2sol1_8c.html#ac260f58785fb20eb09bb35385a7d47f8" > get_number< / a > (fp, txt_buffer, number) != 0)< / div >
< div class = "line" > < a id = "l00155" name = "l00155" > < / a > < span class = "lineno" > 155< / span > {< / div >
< div class = "line" > < a id = "l00156" name = "l00156" > < / a > < span class = "lineno" > 156< / span > < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l00157" name = "l00157" > < / a > < span class = "lineno" > 157< / span > }< / div >
< div class = "line" > < a id = "l00158" name = "l00158" > < / a > < span class = "lineno" > 158< / span > < a class = "code hl_function" href = "../../db/d01/problem__13_2sol1_8c.html#ad51742ca5a5c99e860bdf30299163bf2" > add_numbers< / a > (number, sum, N);< / div >
< div class = "line" > < a id = "l00159" name = "l00159" > < / a > < span class = "lineno" > 159< / span > } < span class = "keywordflow" > while< / span > (!feof(fp));< / div >
< div class = "line" > < a id = "l00160" name = "l00160" > < / a > < span class = "lineno" > 160< / span > < / div >
< div class = "line" > < a id = "l00161" name = "l00161" > < / a > < span class = "lineno" > 161< / span > printf(< span class = "stringliteral" > " \nSum : " < / span > );< / div >
< div class = "line" > < a id = "l00162" name = "l00162" > < / a > < span class = "lineno" > 162< / span > < a class = "code hl_function" href = "../../db/d01/problem__13_2sol1_8c.html#a248adc917818cc6666d8bc679a660319" > print_number< / a > (sum, N2, -1);< / div >
< div class = "line" > < a id = "l00163" name = "l00163" > < / a > < span class = "lineno" > 163< / span > < / div >
< div class = "line" > < a id = "l00164" name = "l00164" > < / a > < span class = "lineno" > 164< / span > printf(< span class = "stringliteral" > " first 10 digits: \t" < / span > );< / div >
< div class = "line" > < a id = "l00165" name = "l00165" > < / a > < span class = "lineno" > 165< / span > < a class = "code hl_function" href = "../../db/d01/problem__13_2sol1_8c.html#a248adc917818cc6666d8bc679a660319" > print_number< / a > (sum, N2, 10);< / div >
< div class = "line" > < a id = "l00166" name = "l00166" > < / a > < span class = "lineno" > 166< / span > < / div >
< div class = "line" > < a id = "l00167" name = "l00167" > < / a > < span class = "lineno" > 167< / span > fclose(fp); < span class = "comment" > /* close file */< / span > < / div >
< div class = "line" > < a id = "l00168" name = "l00168" > < / a > < span class = "lineno" > 168< / span > < a class = "code hl_define" href = "../../d2/ddd/malloc__dbg_8h.html#a9cc854374299a1dd933bf62029761768" > free< / a > (txt_buffer);< / div >
< div class = "line" > < a id = "l00169" name = "l00169" > < / a > < span class = "lineno" > 169< / span > < a class = "code hl_define" href = "../../d2/ddd/malloc__dbg_8h.html#a9cc854374299a1dd933bf62029761768" > free< / a > (sum);< / div >
< div class = "line" > < a id = "l00170" name = "l00170" > < / a > < span class = "lineno" > 170< / span > < a class = "code hl_define" href = "../../d2/ddd/malloc__dbg_8h.html#a9cc854374299a1dd933bf62029761768" > free< / a > (number);< / div >
< div class = "line" > < a id = "l00171" name = "l00171" > < / a > < span class = "lineno" > 171< / span > < span class = "keywordflow" > return< / span > 0;< / div >
< div class = "line" > < a id = "l00172" name = "l00172" > < / a > < span class = "lineno" > 172< / span > }< / div >
< div class = "ttc" id = "agroup__misc_html_ga6f8e8c9d25b5891d57e588d80d75028a" > < div class = "ttname" > < a href = "../../d1/ded/group__misc.html#ga6f8e8c9d25b5891d57e588d80d75028a" > count< / a > < / div > < div class = "ttdeci" > int count(int *arr, const int size)< / div > < div class = "ttdoc" > Count func counts the number of prime numbers.< / div > < div class = "ttdef" > < b > Definition:< / b > prime_seive.c:42< / div > < / div >
< div class = "ttc" id = "amalloc__dbg_8h_html_a9cc854374299a1dd933bf62029761768" > < div class = "ttname" > < a href = "../../d2/ddd/malloc__dbg_8h.html#a9cc854374299a1dd933bf62029761768" > free< / a > < / div > < div class = "ttdeci" > #define free(ptr)< / div > < div class = "ttdoc" > This macro replace the standard free function with free_dbg.< / div > < div class = "ttdef" > < b > Definition:< / b > malloc_dbg.h:26< / div > < / div >
< div class = "ttc" id = "amalloc__dbg_8h_html_afdddaa949a93c1ef559a638e98f9c21b" > < div class = "ttname" > < a href = "../../d2/ddd/malloc__dbg_8h.html#afdddaa949a93c1ef559a638e98f9c21b" > calloc< / a > < / div > < div class = "ttdeci" > #define calloc(elemCount, elemSize)< / div > < div class = "ttdoc" > This macro replace the standard calloc function with calloc_dbg.< / div > < div class = "ttdef" > < b > Definition:< / b > malloc_dbg.h:22< / div > < / div >
< div class = "ttc" id = "aproblem__13_2sol1_8c_html_a248adc917818cc6666d8bc679a660319" > < div class = "ttname" > < a href = "../../db/d01/problem__13_2sol1_8c.html#a248adc917818cc6666d8bc679a660319" > print_number< / a > < / div > < div class = "ttdeci" > int print_number(uint8_t *number, uint8_t N, int8_t num_digits_to_print)< / div > < div class = "ttdoc" > Function to print a long number.< / div > < div class = "ttdef" > < b > Definition:< / b > sol1.c:92< / div > < / div >
< div class = "ttc" id = "aproblem__13_2sol1_8c_html_ac260f58785fb20eb09bb35385a7d47f8" > < div class = "ttname" > < a href = "../../db/d01/problem__13_2sol1_8c.html#ac260f58785fb20eb09bb35385a7d47f8" > get_number< / a > < / div > < div class = "ttdeci" > int get_number(FILE *fp, char *buffer, uint8_t *out_int)< / div > < div class = "ttdoc" > Function to read the number from a file and store it in array.< / div > < div class = "ttdef" > < b > Definition:< / b > sol1.c:16< / div > < / div >
< div class = "ttc" id = "aproblem__13_2sol1_8c_html_ad51742ca5a5c99e860bdf30299163bf2" > < div class = "ttname" > < a href = "../../db/d01/problem__13_2sol1_8c.html#ad51742ca5a5c99e860bdf30299163bf2" > add_numbers< / a > < / div > < div class = "ttdeci" > int add_numbers(uint8_t *a, uint8_t *b, uint8_t N)< / div > < div class = "ttdoc" > Function to add arbitrary length decimal integers stored in an array.< / div > < div class = "ttdef" > < b > Definition:< / b > sol1.c:48< / div > < / div >
< / div > <!-- fragment --> < div class = "dynheader" >
Here is the call graph for this function:< / div >
< div class = "dyncontent" >
2021-12-10 01:57:52 +08:00
< div class = "center" > < iframe scrolling = "no" frameborder = "0" src = "../../db/d01/problem__13_2sol1_8c_a840291bc02cba5474a4cb46a9b9566fe_cgraph.svg" width = "210" height = "190" > < p > < b > This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.< / b > < / p > < / iframe >
2021-10-26 03:34:27 +08:00
< / div >
< / div >
< / div >
< / div >
< a id = "a248adc917818cc6666d8bc679a660319" name = "a248adc917818cc6666d8bc679a660319" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a248adc917818cc6666d8bc679a660319" > ◆ < / a > < / span > print_number()< / h2 >
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
< td class = "memname" > int print_number < / td >
< td > (< / td >
< td class = "paramtype" > uint8_t *  < / td >
< td class = "paramname" > < em > number< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint8_t  < / td >
< td class = "paramname" > < em > N< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > int8_t  < / td >
< td class = "paramname" > < em > num_digits_to_print< / em >   < / td >
< / tr >
< tr >
< td > < / td >
< td > )< / td >
< td > < / td > < td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > Function to print a long number. < / p >
< div class = "fragment" > < div class = "line" > < a id = "l00093" name = "l00093" > < / a > < span class = "lineno" > 93< / span > {< / div >
< div class = "line" > < a id = "l00094" name = "l00094" > < / a > < span class = "lineno" > 94< / span > uint8_t start_pos = N - 1;< / div >
< div class = "line" > < a id = "l00095" name = "l00095" > < / a > < span class = "lineno" > 95< / span > uint8_t end_pos;< / div >
< div class = "line" > < a id = "l00096" name = "l00096" > < / a > < span class = "lineno" > 96< / span > < / div >
< div class = "line" > < a id = "l00097" name = "l00097" > < / a > < span class = "lineno" > 97< / span > < span class = "comment" > /* skip all initial zeros */< / span > < / div >
< div class = "line" > < a id = "l00098" name = "l00098" > < / a > < span class = "lineno" > 98< / span > < span class = "keywordflow" > while< / span > (number[start_pos] == 0) start_pos--;< / div >
< div class = "line" > < a id = "l00099" name = "l00099" > < / a > < span class = "lineno" > 99< / span > < / div >
< div class = "line" > < a id = "l00100" name = "l00100" > < / a > < span class = "lineno" > 100< / span > < span class = "comment" > /* if end_pos < 0, print all digits */< / span > < / div >
< div class = "line" > < a id = "l00101" name = "l00101" > < / a > < span class = "lineno" > 101< / span > < span class = "keywordflow" > if< / span > (num_digits_to_print < 0)< / div >
< div class = "line" > < a id = "l00102" name = "l00102" > < / a > < span class = "lineno" > 102< / span > {< / div >
< div class = "line" > < a id = "l00103" name = "l00103" > < / a > < span class = "lineno" > 103< / span > end_pos = 0;< / div >
< div class = "line" > < a id = "l00104" name = "l00104" > < / a > < span class = "lineno" > 104< / span > }< / div >
< div class = "line" > < a id = "l00105" name = "l00105" > < / a > < span class = "lineno" > 105< / span > < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (num_digits_to_print < = start_pos)< / div >
< div class = "line" > < a id = "l00106" name = "l00106" > < / a > < span class = "lineno" > 106< / span > {< / div >
< div class = "line" > < a id = "l00107" name = "l00107" > < / a > < span class = "lineno" > 107< / span > end_pos = start_pos - num_digits_to_print + 1;< / div >
< div class = "line" > < a id = "l00108" name = "l00108" > < / a > < span class = "lineno" > 108< / span > }< / div >
< div class = "line" > < a id = "l00109" name = "l00109" > < / a > < span class = "lineno" > 109< / span > < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a id = "l00110" name = "l00110" > < / a > < span class = "lineno" > 110< / span > {< / div >
< div class = "line" > < a id = "l00111" name = "l00111" > < / a > < span class = "lineno" > 111< / span > fprintf(stderr, < span class = "stringliteral" > " invalid number of digits argumet!\n" < / span > );< / div >
< div class = "line" > < a id = "l00112" name = "l00112" > < / a > < span class = "lineno" > 112< / span > < span class = "keywordflow" > return< / span > -1;< / div >
< div class = "line" > < a id = "l00113" name = "l00113" > < / a > < span class = "lineno" > 113< / span > }< / div >
< div class = "line" > < a id = "l00114" name = "l00114" > < / a > < span class = "lineno" > 114< / span > < / div >
< div class = "line" > < a id = "l00115" name = "l00115" > < / a > < span class = "lineno" > 115< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = start_pos; i > = end_pos; i--) putchar(number[i] + 0x30);< / div >
< div class = "line" > < a id = "l00116" name = "l00116" > < / a > < span class = "lineno" > 116< / span > < / div >
< div class = "line" > < a id = "l00117" name = "l00117" > < / a > < span class = "lineno" > 117< / span > putchar(< span class = "charliteral" > ' \n' < / span > );< / div >
< div class = "line" > < a id = "l00118" name = "l00118" > < / a > < span class = "lineno" > 118< / span > < / div >
< div class = "line" > < a id = "l00119" name = "l00119" > < / a > < span class = "lineno" > 119< / span > < span class = "keywordflow" > return< / span > 0;< / div >
< div class = "line" > < a id = "l00120" name = "l00120" > < / a > < span class = "lineno" > 120< / span > }< / div >
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< li class = "navelem" > < a class = "el" href = "../../dir_b3d331eabd4234f247030c297aaf021c.html" > project_euler< / a > < / li > < li class = "navelem" > < a class = "el" href = "../../dir_f7d3c03fcac84aef1b0c66cc497ed1ea.html" > problem_13< / a > < / li > < li class = "navelem" > < a class = "el" href = "../../db/d01/problem__13_2sol1_8c.html" > sol1.c< / a > < / li >
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< li class = "footer" > Generated by < a href = "https://www.doxygen.org/index.html" > < img class = "footer" src = "../../doxygen.svg" width = "104" height = "31" alt = "doxygen" / > < / a > 1.9.2 < / li >
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