2020-06-28 23:07:29 +08:00
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
2022-09-08 08:17:03 +08:00
< html xmlns = "http://www.w3.org/1999/xhtml" lang = "en-US" >
2020-06-28 23:07:29 +08:00
< head >
< meta http-equiv = "Content-Type" content = "text/xhtml;charset=UTF-8" / >
2021-10-26 03:34:27 +08:00
< meta http-equiv = "X-UA-Compatible" content = "IE=11" / >
2022-09-08 08:17:03 +08:00
< meta name = "generator" content = "Doxygen 1.9.5" / >
2020-06-28 23:07:29 +08:00
< meta name = "viewport" content = "width=device-width, initial-scale=1" / >
< title > Algorithms_in_C: project_euler/problem_25/sol1.c File Reference< / title >
< link href = "../../tabs.css" rel = "stylesheet" type = "text/css" / >
< script type = "text/javascript" src = "../../jquery.js" > < / script >
< script type = "text/javascript" src = "../../dynsections.js" > < / script >
< link href = "../../navtree.css" rel = "stylesheet" type = "text/css" / >
< script type = "text/javascript" src = "../../resize.js" > < / script >
< script type = "text/javascript" src = "../../navtreedata.js" > < / script >
< script type = "text/javascript" src = "../../navtree.js" > < / script >
< link href = "../../search/search.css" rel = "stylesheet" type = "text/css" / >
< script type = "text/javascript" src = "../../search/searchdata.js" > < / script >
< script type = "text/javascript" src = "../../search/search.js" > < / script >
< script type = "text/x-mathjax-config" >
2021-10-26 03:34:27 +08:00
MathJax.Hub.Config({
extensions: ["tex2jax.js", "TeX/AMSmath.js", "TeX/AMSsymbols.js"],
jax: ["input/TeX","output/HTML-CSS"],
2020-06-28 23:07:29 +08:00
});
< / script >
< script type = "text/javascript" async = "async" src = "https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.7/MathJax.js?config=TeX-MML-AM_CHTML/MathJax.js" > < / script >
< link href = "../../doxygen.css" rel = "stylesheet" type = "text/css" / >
< / head >
< body >
< div id = "top" > <!-- do not remove this div, it is closed by doxygen! -->
< div id = "titlearea" >
< table cellspacing = "0" cellpadding = "0" >
< tbody >
2022-01-15 04:11:27 +08:00
< tr id = "projectrow" >
< td id = "projectalign" >
2021-10-26 03:34:27 +08:00
< div id = "projectname" > Algorithms_in_C< span id = "projectnumber" >   1.0.0< / span >
2020-06-28 23:07:29 +08:00
< / div >
< div id = "projectbrief" > Set of algorithms implemented in C.< / div >
< / td >
< / tr >
< / tbody >
< / table >
< / div >
<!-- end header part -->
2022-09-08 08:17:03 +08:00
<!-- Generated by Doxygen 1.9.5 -->
2020-06-28 23:07:29 +08:00
< script type = "text/javascript" >
2021-10-26 03:34:27 +08:00
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699& dn=expat.txt MIT */
2022-09-08 08:17:03 +08:00
var searchBox = new SearchBox("searchBox", "../../search/",'.html');
2020-06-28 23:07:29 +08:00
/* @license-end */
< / script >
< script type = "text/javascript" src = "../../menudata.js" > < / script >
< script type = "text/javascript" src = "../../menu.js" > < / script >
< script type = "text/javascript" >
2021-10-26 03:34:27 +08:00
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699& dn=expat.txt MIT */
2020-06-28 23:07:29 +08:00
$(function() {
initMenu('../../',true,false,'search.php','Search');
$(document).ready(function() { init_search(); });
});
2021-10-26 03:34:27 +08:00
/* @license-end */
< / script >
2020-06-28 23:07:29 +08:00
< div id = "main-nav" > < / div >
< / div > <!-- top -->
< div id = "side-nav" class = "ui-resizable side-nav-resizable" >
< div id = "nav-tree" >
< div id = "nav-tree-contents" >
< div id = "nav-sync" class = "sync" > < / div >
< / div >
< / div >
< div id = "splitbar" style = "-moz-user-select:none;"
class="ui-resizable-handle">
< / div >
< / div >
< script type = "text/javascript" >
2021-10-26 03:34:27 +08:00
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699& dn=expat.txt MIT */
2020-06-28 23:07:29 +08:00
$(document).ready(function(){initNavTree('d8/d32/problem__25_2sol1_8c.html','../../'); initResizable(); });
/* @license-end */
< / script >
< div id = "doc-content" >
<!-- window showing the filter options -->
< div id = "MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
< / div >
<!-- iframe showing the search results (closed by default) -->
< div id = "MSearchResultsWindow" >
2022-09-08 08:17:03 +08:00
< div id = "MSearchResults" >
< div class = "SRPage" >
< div id = "SRIndex" >
< div id = "SRResults" > < / div >
< div class = "SRStatus" id = "Loading" > Loading...< / div >
< div class = "SRStatus" id = "Searching" > Searching...< / div >
< div class = "SRStatus" id = "NoMatches" > No Matches< / div >
< / div >
< / div >
< / div >
2020-06-28 23:07:29 +08:00
< / div >
< div class = "header" >
< div class = "summary" >
< a href = "#define-members" > Macros< / a > |
< a href = "#func-members" > Functions< / a > < / div >
2021-10-26 03:34:27 +08:00
< div class = "headertitle" > < div class = "title" > sol1.c File Reference< / div > < / div >
2020-06-28 23:07:29 +08:00
< / div > <!-- header -->
< div class = "contents" >
2021-10-26 03:34:27 +08:00
< p > < a href = "https://projecteuler.net/problem=25" target = "_blank" > Problem 25< / a > solution implemented using arbitrarily large numbers represented as arrays
2020-06-28 23:07:29 +08:00
< 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 / >
< / div > < div class = "textblock" > < div class = "dynheader" >
Include dependency graph for sol1.c:< / div >
< div class = "dyncontent" >
2022-09-08 08:17:03 +08:00
< div class = "center" > < iframe scrolling = "no" frameborder = "0" src = "../../d5/d51/problem__25_2sol1_8c__incl.svg" width = "424" height = "124" > < p > < b > This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.< / b > < / p > < / iframe >
2020-06-28 23:07:29 +08:00
< / div >
< / div >
< / div > < table class = "memberdecls" >
2021-10-26 03:34:27 +08:00
< tr class = "heading" > < td colspan = "2" > < h2 class = "groupheader" > < a id = "define-members" name = "define-members" > < / a >
2020-06-28 23:07:29 +08:00
Macros< / h2 > < / td > < / tr >
2021-10-26 03:34:27 +08:00
< tr class = "memitem:a001791a21d538b8b9176287ae60d9b61" > < td class = "memItemLeft" align = "right" valign = "top" > < a id = "a001791a21d538b8b9176287ae60d9b61" name = "a001791a21d538b8b9176287ae60d9b61" > < / a >
#define  < / td > < td class = "memItemRight" valign = "bottom" > < b > MAX_DIGITS< / b >       1000< / td > < / tr >
2020-06-29 04:40:24 +08:00
< tr class = "memdesc:a001791a21d538b8b9176287ae60d9b61" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > maximum number of digits < br / > < / td > < / tr >
2020-06-28 23:07:29 +08:00
< tr class = "separator:a001791a21d538b8b9176287ae60d9b61" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< / table > < table class = "memberdecls" >
2021-10-26 03:34:27 +08:00
< tr class = "heading" > < td colspan = "2" > < h2 class = "groupheader" > < a id = "func-members" name = "func-members" > < / a >
2020-06-28 23:07:29 +08:00
Functions< / h2 > < / td > < / tr >
2020-07-17 04:36:47 +08:00
< 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 >
2020-06-29 04:40:24 +08:00
< 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 >
2020-06-28 23:07:29 +08:00
< tr class = "separator:af9729befaffc1aab9ac9fedc4706e66c" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
2021-10-26 03:34:27 +08:00
< tr class = "memitem:abe5bc1f170b2108a19d0a16d30bd3235" > < td class = "memItemLeft" align = "right" valign = "top" > 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 >
< tr class = "memdesc:abe5bc1f170b2108a19d0a16d30bd3235" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Print a large number. < a href = "../../d8/d32/problem__25_2sol1_8c.html#abe5bc1f170b2108a19d0a16d30bd3235" > More...< / a > < br / > < / td > < / tr >
2020-06-28 23:07:29 +08:00
< tr class = "separator:abe5bc1f170b2108a19d0a16d30bd3235" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
2021-10-26 03:34:27 +08:00
< tr class = "memitem:a2b90df6bfbf0d18cd9a19c1a71453783" > < 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#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. < a href = "../../d8/d32/problem__25_2sol1_8c.html#a2b90df6bfbf0d18cd9a19c1a71453783" > More...< / a > < br / > < / td > < / tr >
2020-06-28 23:07:29 +08:00
< tr class = "separator:a2b90df6bfbf0d18cd9a19c1a71453783" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
2021-10-26 03:34:27 +08:00
< tr class = "memitem:a0ddf1224851353fc92bfbff6f499fa97" > < td class = "memItemLeft" align = "right" valign = "top" > 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. < a href = "../../d8/d32/problem__25_2sol1_8c.html#a0ddf1224851353fc92bfbff6f499fa97" > More...< / a > < br / > < / td > < / tr >
2020-06-28 23:07:29 +08:00
< tr class = "separator:a0ddf1224851353fc92bfbff6f499fa97" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< / table >
< a name = "details" id = "details" > < / a > < h2 class = "groupheader" > Detailed Description< / h2 >
2021-10-26 03:34:27 +08:00
< div class = "textblock" > < p > < a href = "https://projecteuler.net/problem=25" target = "_blank" > 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" target = "_blank" > Krishna Vedala< / a > < / dd > < / dl >
2020-06-29 04:40:24 +08:00
< / div > < h2 class = "groupheader" > Function Documentation< / h2 >
2021-10-26 03:34:27 +08:00
< a id = "af9729befaffc1aab9ac9fedc4706e66c" name = "af9729befaffc1aab9ac9fedc4706e66c" > < / a >
2022-09-08 08:17:03 +08:00
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#af9729befaffc1aab9ac9fedc4706e66c" > ◆   < / a > < / span > add_numbers()< / h2 >
2020-06-28 23:07:29 +08:00
< 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" >
2020-06-29 04:40:24 +08:00
< p > Function to add arbitraty length decimal integers stored in an array. < / p >
2021-10-26 03:34:27 +08:00
< p > < br / >
2020-06-28 23:07:29 +08:00
a + b = c = new b < / p >
2022-01-15 04:11:27 +08:00
< div class = "fragment" > < div class = "line" > < span class = "lineno" > 21< / span > {< / div >
< div class = "line" > < span class = "lineno" > 22< / span > < span class = "keywordtype" > unsigned< / span > < span class = "keywordtype" > char< / span > carry = 0;< / div >
< div class = "line" > < span class = "lineno" > 23< / span > < span class = "keywordtype" > unsigned< / span > < span class = "keywordtype" > int< / span > i;< / div >
< div class = "line" > < span class = "lineno" > 24< / span > < / div >
< div class = "line" > < span class = "lineno" > 25< / span > < span class = "keywordflow" > for< / span > (i = 0; i < N; i++)< / div >
< div class = "line" > < span class = "lineno" > 26< / span > {< / div >
< div class = "line" > < span class = "lineno" > 27< / span > < span class = "comment" > // printf(" \t%d + %d + %d " , a[i], b[i], carry);< / span > < / div >
< div class = "line" > < span class = "lineno" > 28< / span > c[i] = carry + a[i] + b[i];< / div >
< div class = "line" > < span class = "lineno" > 29< / span > < span class = "keywordflow" > if< / span > (c[i] > 9) < span class = "comment" > /* check for carry */< / span > < / div >
< div class = "line" > < span class = "lineno" > 30< / span > {< / div >
< div class = "line" > < span class = "lineno" > 31< / span > carry = 1;< / div >
< div class = "line" > < span class = "lineno" > 32< / span > c[i] -= 10;< / div >
< div class = "line" > < span class = "lineno" > 33< / span > }< / div >
< div class = "line" > < span class = "lineno" > 34< / span > < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < span class = "lineno" > 35< / span > {< / div >
< div class = "line" > < span class = "lineno" > 36< / span > carry = 0;< / div >
< div class = "line" > < span class = "lineno" > 37< / span > }< / div >
< div class = "line" > < span class = "lineno" > 38< / span > < span class = "comment" > // printf(" = %d, %d\n" , carry, c[i]);< / span > < / div >
< div class = "line" > < span class = "lineno" > 39< / span > }< / div >
< div class = "line" > < span class = "lineno" > 40< / span > < / div >
< div class = "line" > < span class = "lineno" > 41< / span > < span class = "keywordflow" > while< / span > (carry != 0)< / div >
< div class = "line" > < span class = "lineno" > 42< / span > {< / div >
< div class = "line" > < span class = "lineno" > 43< / span > < span class = "comment" > // printf(" \t\t...adding new digit\n" );< / span > < / div >
< div class = "line" > < span class = "lineno" > 44< / span > < span class = "comment" > // printf(" \t0 + %d + %d " , b[i], carry);< / span > < / div >
< div class = "line" > < span class = "lineno" > 45< / span > c[i] = carry + c[i];< / div >
< div class = "line" > < span class = "lineno" > 46< / span > < span class = "keywordflow" > if< / span > (c[i] > 9)< / div >
< div class = "line" > < span class = "lineno" > 47< / span > {< / div >
< div class = "line" > < span class = "lineno" > 48< / span > carry = 1;< / div >
< div class = "line" > < span class = "lineno" > 49< / span > c[i] -= 10;< / div >
< div class = "line" > < span class = "lineno" > 50< / span > }< / div >
< div class = "line" > < span class = "lineno" > 51< / span > < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < span class = "lineno" > 52< / span > {< / div >
< div class = "line" > < span class = "lineno" > 53< / span > carry = 0;< / div >
< div class = "line" > < span class = "lineno" > 54< / span > }< / div >
< div class = "line" > < span class = "lineno" > 55< / span > < span class = "comment" > // printf(" = %d, %d\n" , carry, c[i]);< / span > < / div >
< div class = "line" > < span class = "lineno" > 56< / span > i++;< / div >
< div class = "line" > < span class = "lineno" > 57< / span > }< / div >
< div class = "line" > < span class = "lineno" > 58< / span > < span class = "keywordflow" > return< / span > i;< / div >
< div class = "line" > < span class = "lineno" > 59< / span > }< / div >
2021-10-26 03:34:27 +08:00
< / div > <!-- fragment -->
< / div >
< / div >
< a id = "a2b90df6bfbf0d18cd9a19c1a71453783" name = "a2b90df6bfbf0d18cd9a19c1a71453783" > < / a >
2022-09-08 08:17:03 +08:00
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a2b90df6bfbf0d18cd9a19c1a71453783" > ◆   < / a > < / span > get_digits()< / h2 >
2021-10-26 03:34:27 +08:00
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
< td class = "memname" > unsigned int get_digits < / td >
< td > (< / td >
< td class = "paramtype" > unsigned char *  < / td >
< td class = "paramname" > < em > number< / em > < / td > < td > )< / td >
< td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > Get number of digits in a large number. < / p >
2022-01-15 04:11:27 +08:00
< div class = "fragment" > < div class = "line" > < span class = "lineno" > 76< / span > {< / div >
< div class = "line" > < span class = "lineno" > 77< / span > < span class = "keywordtype" > unsigned< / span > < span class = "keywordtype" > int< / span > digits = < a class = "code hl_define" href = "../../d8/d32/problem__25_2sol1_8c.html#a001791a21d538b8b9176287ae60d9b61" > MAX_DIGITS< / a > ;< / div >
< div class = "line" > < span class = "lineno" > 78< / span > < span class = "keywordflow" > while< / span > (number[digits] == 0) digits--;< / div >
< div class = "line" > < span class = "lineno" > 79< / span > < span class = "keywordflow" > return< / span > digits;< / div >
< div class = "line" > < span class = "lineno" > 80< / span > }< / div >
2021-10-26 03:34:27 +08:00
< div class = "ttc" id = "aproblem__25_2sol1_8c_html_a001791a21d538b8b9176287ae60d9b61" > < div class = "ttname" > < a href = "../../d8/d32/problem__25_2sol1_8c.html#a001791a21d538b8b9176287ae60d9b61" > MAX_DIGITS< / a > < / div > < div class = "ttdeci" > #define MAX_DIGITS< / div > < div class = "ttdoc" > maximum number of digits< / div > < div class = "ttdef" > < b > Definition:< / b > sol1.c:13< / div > < / div >
< / div > <!-- fragment -->
< / div >
< / div >
< a id = "a0ddf1224851353fc92bfbff6f499fa97" name = "a0ddf1224851353fc92bfbff6f499fa97" > < / a >
2022-09-08 08:17:03 +08:00
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a0ddf1224851353fc92bfbff6f499fa97" > ◆   < / a > < / span > main()< / h2 >
2021-10-26 03:34:27 +08:00
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
< td class = "memname" > int main < / td >
< td > (< / td >
< td class = "paramtype" > int  < / td >
< td class = "paramname" > < em > argc< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > char *  < / td >
< td class = "paramname" > < em > argv< / em > []  < / td >
< / tr >
< tr >
< td > < / td >
< td > )< / td >
< td > < / td > < td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > Main function. < / p >
2022-01-15 04:11:27 +08:00
< div class = "fragment" > < div class = "line" > < span class = "lineno" > 84< / span > {< / div >
< div class = "line" > < span class = "lineno" > 85< / span > < span class = "keywordtype" > unsigned< / span > < span class = "keywordtype" > char< / span > < / div >
< div class = "line" > < span class = "lineno" > 86< / span > fn[< a class = "code hl_define" href = "../../d8/d32/problem__25_2sol1_8c.html#a001791a21d538b8b9176287ae60d9b61" > MAX_DIGITS< / a > + 1]; < span class = "comment" > /* array to store digits of a large number */< / span > < / div >
< div class = "line" > < span class = "lineno" > 87< / span > < span class = "keywordtype" > unsigned< / span > < span class = "keywordtype" > char< / span > fn1[< a class = "code hl_define" href = "../../d8/d32/problem__25_2sol1_8c.html#a001791a21d538b8b9176287ae60d9b61" > MAX_DIGITS< / a > + 1];< / div >
< div class = "line" > < span class = "lineno" > 88< / span > < span class = "keywordtype" > unsigned< / span > < span class = "keywordtype" > char< / span > sum[< a class = "code hl_define" href = "../../d8/d32/problem__25_2sol1_8c.html#a001791a21d538b8b9176287ae60d9b61" > MAX_DIGITS< / a > + 1];< / div >
< div class = "line" > < span class = "lineno" > 89< / span > < / div >
< div class = "line" > < span class = "lineno" > 90< / span > memset(fn, 0, < a class = "code hl_define" href = "../../d8/d32/problem__25_2sol1_8c.html#a001791a21d538b8b9176287ae60d9b61" > MAX_DIGITS< / a > );< / div >
< div class = "line" > < span class = "lineno" > 91< / span > memset(fn1, 0, < a class = "code hl_define" href = "../../d8/d32/problem__25_2sol1_8c.html#a001791a21d538b8b9176287ae60d9b61" > MAX_DIGITS< / a > );< / div >
< div class = "line" > < span class = "lineno" > 92< / span > memset(sum, 0, < a class = "code hl_define" href = "../../d8/d32/problem__25_2sol1_8c.html#a001791a21d538b8b9176287ae60d9b61" > MAX_DIGITS< / a > );< / div >
< div class = "line" > < span class = "lineno" > 93< / span > < / div >
< div class = "line" > < span class = "lineno" > 94< / span > fn[0] = 1;< / div >
< div class = "line" > < span class = "lineno" > 95< / span > fn1[1] = 1;< / div >
< div class = "line" > < span class = "lineno" > 96< / span > < / div >
< div class = "line" > < span class = "lineno" > 97< / span > < span class = "keywordtype" > unsigned< / span > < span class = "keywordtype" > int< / span > index = 1, digit_count = 1;< / div >
< div class = "line" > < span class = "lineno" > 98< / span > < / div >
< div class = "line" > < span class = "lineno" > 99< / span > clock_t start_time = clock();< / div >
< div class = "line" > < span class = "lineno" > 100< / span > < span class = "keywordflow" > do< / span > < / div >
< div class = "line" > < span class = "lineno" > 101< / span > {< / div >
< div class = "line" > < span class = "lineno" > 102< / span > digit_count = < a class = "code hl_function" href = "../../db/d01/problem__13_2sol1_8c.html#ad51742ca5a5c99e860bdf30299163bf2" > add_numbers< / a > (fn, fn1, sum, digit_count);< / div >
< div class = "line" > < span class = "lineno" > 103< / span > < span class = "comment" > // digit_count = get_digits(sum);< / span > < / div >
< div class = "line" > < span class = "lineno" > 104< / span > < / div >
< div class = "line" > < span class = "lineno" > 105< / span > < span class = "comment" > // printf(" %5u (%u) (%u) " , index, digit_count, get_digits(sum));< / span > < / div >
< div class = "line" > < span class = "lineno" > 106< / span > < span class = "comment" > // print_number(sum, digit_count);< / span > < / div >
< div class = "line" > < span class = "lineno" > 107< / span > < span class = "comment" > // putchar(' \n' );< / span > < / div >
< div class = "line" > < span class = "lineno" > 108< / span > < / div >
< div class = "line" > < span class = "lineno" > 109< / span > < span class = "keywordflow" > if< / span > (digit_count == < a class = "code hl_define" href = "../../d8/d32/problem__25_2sol1_8c.html#a001791a21d538b8b9176287ae60d9b61" > MAX_DIGITS< / a > )< / div >
< div class = "line" > < span class = "lineno" > 110< / span > {< / div >
< div class = "line" > < span class = "lineno" > 111< / span > < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < span class = "lineno" > 112< / span > }< / div >
< div class = "line" > < span class = "lineno" > 113< / span > memcpy(fn, fn1, < a class = "code hl_define" href = "../../d8/d32/problem__25_2sol1_8c.html#a001791a21d538b8b9176287ae60d9b61" > MAX_DIGITS< / a > );< / div >
< div class = "line" > < span class = "lineno" > 114< / span > memcpy(fn1, sum, < a class = "code hl_define" href = "../../d8/d32/problem__25_2sol1_8c.html#a001791a21d538b8b9176287ae60d9b61" > MAX_DIGITS< / a > );< / div >
< div class = "line" > < span class = "lineno" > 115< / span > index++;< / div >
< div class = "line" > < span class = "lineno" > 116< / span > } < span class = "keywordflow" > while< / span > (digit_count < < a class = "code hl_define" href = "../../d8/d32/problem__25_2sol1_8c.html#a001791a21d538b8b9176287ae60d9b61" > MAX_DIGITS< / a > );< / div >
< div class = "line" > < span class = "lineno" > 117< / span > clock_t end_time = clock();< / div >
< div class = "line" > < span class = "lineno" > 118< / span > < / div >
< div class = "line" > < span class = "lineno" > 119< / span > printf(< span class = "stringliteral" > " Time taken: %.4g ms\n" < / span > ,< / div >
< div class = "line" > < span class = "lineno" > 120< / span > 1e3 * (end_time - start_time) / CLOCKS_PER_SEC);< / div >
< div class = "line" > < span class = "lineno" > 121< / span > printf(< span class = "stringliteral" > " The nth term for %d digits: %u \n" < / span > , < a class = "code hl_define" href = "../../d8/d32/problem__25_2sol1_8c.html#a001791a21d538b8b9176287ae60d9b61" > MAX_DIGITS< / a > , index--);< / div >
< div class = "line" > < span class = "lineno" > 122< / span > < a class = "code hl_function" href = "../../db/d01/problem__13_2sol1_8c.html#a248adc917818cc6666d8bc679a660319" > print_number< / a > (sum, digit_count);< / div >
< div class = "line" > < span class = "lineno" > 123< / span > < / div >
< div class = "line" > < span class = "lineno" > 124< / span > < span class = "keywordflow" > return< / span > 0;< / div >
< div class = "line" > < span class = "lineno" > 125< / span > }< / div >
2021-10-26 03:34:27 +08:00
< 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_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" >
2022-09-08 08:17:03 +08:00
< div class = "center" > < iframe scrolling = "no" frameborder = "0" src = "../../d8/d32/problem__25_2sol1_8c_a0ddf1224851353fc92bfbff6f499fa97_cgraph.svg" width = "210" height = "86" > < 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 = "abe5bc1f170b2108a19d0a16d30bd3235" name = "abe5bc1f170b2108a19d0a16d30bd3235" > < / a >
2022-09-08 08:17:03 +08:00
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#abe5bc1f170b2108a19d0a16d30bd3235" > ◆   < / a > < / span > print_number()< / h2 >
2021-10-26 03:34:27 +08:00
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
< td class = "memname" > int print_number < / td >
< td > (< / td >
< td class = "paramtype" > unsigned char *  < / td >
< td class = "paramname" > < em > number< / 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" >
< p > Print a large number. < / p >
2022-01-15 04:11:27 +08:00
< div class = "fragment" > < div class = "line" > < span class = "lineno" > 63< / span > {< / div >
< div class = "line" > < span class = "lineno" > 64< / span > < span class = "keywordtype" > int< / span > start_pos = N - 1;< / div >
< div class = "line" > < span class = "lineno" > 65< / span > < / div >
< div class = "line" > < span class = "lineno" > 66< / span > < span class = "comment" > /* skip all initial zeros */< / span > < / div >
< div class = "line" > < span class = "lineno" > 67< / span > < span class = "keywordflow" > while< / span > (number[start_pos] == 0) start_pos--;< / div >
< div class = "line" > < span class = "lineno" > 68< / span > < / div >
< div class = "line" > < span class = "lineno" > 69< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = start_pos; i > = 0; i--) putchar(number[i] + 0x30);< / div >
< div class = "line" > < span class = "lineno" > 70< / span > < / div >
< div class = "line" > < span class = "lineno" > 71< / span > < span class = "keywordflow" > return< / span > 0;< / div >
< div class = "line" > < span class = "lineno" > 72< / span > }< / div >
2020-06-28 23:07:29 +08:00
< / div > <!-- fragment -->
< / div >
< / div >
< / div > <!-- contents -->
< / div > <!-- doc - content -->
<!-- start footer part -->
< div id = "nav-path" class = "navpath" > <!-- id is needed for treeview function! -->
< ul >
< li class = "navelem" > < a class = "el" href = "../../dir_b3d331eabd4234f247030c297aaf021c.html" > project_euler< / a > < / li > < li class = "navelem" > < a class = "el" href = "../../dir_079e1f799fb08a8a0b98cb030ab15687.html" > problem_25< / a > < / li > < li class = "navelem" > < a class = "el" href = "../../d8/d32/problem__25_2sol1_8c.html" > sol1.c< / a > < / li >
2022-09-08 08:17:03 +08:00
< 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 > 1.9.5 < / li >
2020-06-28 23:07:29 +08:00
< / ul >
< / div >
< / body >
< / html >