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< a href = "#define-members" > Macros< / a > |
< a href = "#func-members" > Functions< / a > < / div >
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< div class = "title" > sol1.c File Reference< / div > < / div >
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< p > < a href = "https://projecteuler.net/problem=25" > Problem 25< / a > solution implemented using arbitrarily large numbers represented as arrays
< 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 / >
< code > #include < time.h> < / code > < br / >
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Include dependency graph for sol1.c:< / div >
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< div class = "center" > < iframe scrolling = "no" frameborder = "0" src = "../../d5/d51/problem__25_2sol1_8c__incl.svg" width = "424" height = "127" > < p > < b > This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.< / b > < / p > < / iframe >
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Macros< / h2 > < / td > < / tr >
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< tr class = "memdesc:a001791a21d538b8b9176287ae60d9b61" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > maximum number of digits < br / > < / td > < / tr >
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Functions< / h2 > < / td > < / tr >
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< tr class = "memitem:af9729befaffc1aab9ac9fedc4706e66c" > < td class = "memItemLeft" align = "right" valign = "top" > unsigned int  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "../../d8/d32/problem__25_2sol1_8c.html#af9729befaffc1aab9ac9fedc4706e66c" > add_numbers< / a > (unsigned char *a, unsigned char *b, unsigned char *c, int N)< / td > < / tr >
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< tr class = "memdesc:af9729befaffc1aab9ac9fedc4706e66c" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Function to add arbitraty length decimal integers stored in an array. < a href = "../../d8/d32/problem__25_2sol1_8c.html#af9729befaffc1aab9ac9fedc4706e66c" > More...< / a > < br / > < / td > < / tr >
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int  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "../../d8/d32/problem__25_2sol1_8c.html#abe5bc1f170b2108a19d0a16d30bd3235" > print_number< / a > (unsigned char *number, int N)< / td > < / tr >
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< tr class = "memdesc:abe5bc1f170b2108a19d0a16d30bd3235" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Print a large number. < br / > < / td > < / tr >
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unsigned int  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "../../d8/d32/problem__25_2sol1_8c.html#a2b90df6bfbf0d18cd9a19c1a71453783" > get_digits< / a > (unsigned char *number)< / td > < / tr >
< tr class = "memdesc:a2b90df6bfbf0d18cd9a19c1a71453783" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Get number of digits in a large number. < br / > < / td > < / tr >
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int  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "../../d8/d32/problem__25_2sol1_8c.html#a0ddf1224851353fc92bfbff6f499fa97" > main< / a > (int argc, char *argv[])< / td > < / tr >
< tr class = "memdesc:a0ddf1224851353fc92bfbff6f499fa97" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Main function. < br / > < / td > < / tr >
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< / table >
< a name = "details" id = "details" > < / a > < h2 class = "groupheader" > Detailed Description< / h2 >
< div class = "textblock" > < p > < a href = "https://projecteuler.net/problem=25" > Problem 25< / a > solution implemented using arbitrarily large numbers represented as arrays < / p >
< dl class = "section author" > < dt > Author< / dt > < dd > < a href = "https://github.com/kvedala" > Krishna Vedala< / a > < / dd > < / dl >
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< / div > < h2 class = "groupheader" > Function Documentation< / h2 >
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< a id = "af9729befaffc1aab9ac9fedc4706e66c" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#af9729befaffc1aab9ac9fedc4706e66c" > ◆ < / a > < / span > add_numbers()< / h2 >
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
< td class = "memname" > unsigned int add_numbers < / td >
< td > (< / td >
< td class = "paramtype" > unsigned char *  < / td >
< td class = "paramname" > < em > a< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > unsigned char *  < / td >
< td class = "paramname" > < em > b< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > unsigned char *  < / td >
< td class = "paramname" > < em > c< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > int  < / 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 arbitraty length decimal integers stored in an array. < / p >
< p > < br / >
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a + b = c = new b < / p >
< div class = "fragment" > < div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   {< / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   < span class = "keywordtype" > unsigned< / span > < span class = "keywordtype" > char< / span > carry = 0;< / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   < span class = "keywordtype" > unsigned< / span > < span class = "keywordtype" > int< / span > i;< / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   < / div >
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< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   < span class = "keywordflow" > for< / span > (i = 0; i < N; i++)< / div >
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< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   {< / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   < span class = "comment" > // printf(" \t%d + %d + %d " , a[i], b[i], carry);< / span > < / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   c[i] = carry + a[i] + b[i];< / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   < span class = "keywordflow" > if< / span > (c[i] > 9) < span class = "comment" > /* check for carry */< / span > < / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   {< / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   carry = 1;< / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   c[i] -= 10;< / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   }< / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   < span class = "keywordflow" > else< / span > < / div >
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< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   {< / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   carry = 0;< / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   }< / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   < span class = "comment" > // printf(" = %d, %d\n" , carry, c[i]);< / span > < / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   }< / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   < / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   < span class = "keywordflow" > while< / span > (carry != 0)< / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   {< / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   < span class = "comment" > // printf(" \t\t...adding new digit\n" );< / span > < / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   < span class = "comment" > // printf(" \t0 + %d + %d " , b[i], carry);< / span > < / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   c[i] = carry + c[i];< / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   < span class = "keywordflow" > if< / span > (c[i] > 9)< / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   {< / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   carry = 1;< / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   c[i] -= 10;< / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   }< / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   {< / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   carry = 0;< / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   }< / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   < span class = "comment" > // printf(" = %d, %d\n" , carry, c[i]);< / span > < / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   i++;< / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   }< / div >
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