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< div class = "headertitle" > < div class = "title" > sol.c File Reference< / div > < / div >
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< p > < a href = "https://projecteuler.net/problem=7" target = "_blank" > Problem 7< / a > solution.
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< a href = "#details" > More...< / a > < / p >
< div class = "textblock" > < code > #include < stdio.h> < / code > < br / >
< code > #include < stdlib.h> < / code > < br / >
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Include dependency graph for sol.c:< / div >
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< div class = "center" > < iframe scrolling = "no" frameborder = "0" src = "../../df/d29/problem__7_2sol_8c__incl.svg" width = "160" height = "124" > < p > < b > This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.< / b > < / p > < / iframe >
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Functions< / h2 > < / 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 = "../../d1/d2f/problem__7_2sol_8c.html#a840291bc02cba5474a4cb46a9b9566fe" > main< / a > (void)< / td > < / tr >
< tr class = "memdesc:a840291bc02cba5474a4cb46a9b9566fe" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Main function. < a href = "../../d1/d2f/problem__7_2sol_8c.html#a840291bc02cba5474a4cb46a9b9566fe" > More...< / a > < br / > < / td > < / tr >
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< 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=7" target = "_blank" > Problem 7< / a > solution. < / p >
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< dl class = "section see" > < dt > See also< / dt > < dd > Another version: < a class = "el" href = "../../d6/d64/problem__7_2sol2_8c.html" title = "Problem 7 solution." > problem_7/sol2.c< / a > < / dd > < / dl >
< / div > < h2 class = "groupheader" > Function Documentation< / h2 >
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< a id = "a840291bc02cba5474a4cb46a9b9566fe" name = "a840291bc02cba5474a4cb46a9b9566fe" > < / a >
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< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a840291bc02cba5474a4cb46a9b9566fe" > ◆   < / a > < / span > main()< / h2 >
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< 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 >
< dl class = "section return" > < dt > Returns< / dt > < dd > 0 on exit < / dd > < / dl >
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< div class = "fragment" > < div class = "line" > < span class = "lineno" > 13< / span > {< / div >
< div class = "line" > < span class = "lineno" > 14< / span > < span class = "keywordtype" > char< / span > *sieve;< / div >
< div class = "line" > < span class = "lineno" > 15< / span > < span class = "keywordtype" > size_t< / span > i;< / div >
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< div class = "line" > < span class = "lineno" > 16< / span > < span class = "keywordtype" > unsigned< / span > count = 0;< / div >
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< div class = "line" > < span class = "lineno" > 17< / span > < span class = "keywordtype" > size_t< / span > n = 1000000;< / div >
< div class = "line" > < span class = "lineno" > 18< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > unsigned< / span > target = 10001;< / div >
< div class = "line" > < span class = "lineno" > 19< / span > < / div >
< div class = "line" > < span class = "lineno" > 20< / span > sieve = (< span class = "keywordtype" > char< / span > *)< a class = "code hl_define" href = "../../d2/ddd/malloc__dbg_8h.html#afdddaa949a93c1ef559a638e98f9c21b" > calloc< / a > (n, < span class = "keyword" > sizeof< / span > (< span class = "keywordtype" > char< / span > ));< / div >
< div class = "line" > < span class = "lineno" > 21< / span > < span class = "keywordflow" > for< / span > (i = 2; i < n; i++)< / div >
< div class = "line" > < span class = "lineno" > 22< / span > {< / div >
< div class = "line" > < span class = "lineno" > 23< / span > < span class = "keywordflow" > if< / span > (!sieve[i])< / div >
< div class = "line" > < span class = "lineno" > 24< / span > {< / div >
< div class = "line" > < span class = "lineno" > 25< / span > < span class = "keywordtype" > size_t< / span > j;< / div >
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< div class = "line" > < span class = "lineno" > 26< / span > count++;< / div >
< div class = "line" > < span class = "lineno" > 27< / span > < span class = "keywordflow" > if< / span > (count == target)< / div >
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< div class = "line" > < span class = "lineno" > 28< / span > {< / div >
< div class = "line" > < span class = "lineno" > 29< / span > printf(< span class = "stringliteral" > " %lu\n" < / span > , i);< / div >
< div class = "line" > < span class = "lineno" > 30< / span > < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < span class = "lineno" > 31< / span > }< / div >
< div class = "line" > < span class = "lineno" > 32< / span > < span class = "keywordflow" > for< / span > (j = i * 2; j < n; j += i)< / div >
< div class = "line" > < span class = "lineno" > 33< / span > {< / div >
< div class = "line" > < span class = "lineno" > 34< / span > sieve[j] = 1;< / div >
< div class = "line" > < span class = "lineno" > 35< / span > }< / div >
< div class = "line" > < span class = "lineno" > 36< / span > }< / div >
< div class = "line" > < span class = "lineno" > 37< / span > }< / div >
< div class = "line" > < span class = "lineno" > 38< / span > < a class = "code hl_define" href = "../../d2/ddd/malloc__dbg_8h.html#a9cc854374299a1dd933bf62029761768" > free< / a > (sieve);< / div >
< div class = "line" > < span class = "lineno" > 39< / span > < span class = "keywordflow" > return< / span > 0;< / div >
< div class = "line" > < span class = "lineno" > 40< / span > }< / div >
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< 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 >
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