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< div class = "headertitle" > < div class = "title" > sol1.c File Reference< / div > < / div >
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< p > < a href = "https://projecteuler.net/problem=10" target = "_blank" > Problem 10< / a > solution
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< a href = "#details" > More...< / a > < / p >
< div class = "textblock" > < code > #include < math.h> < / code > < br / >
< code > #include < stdio.h> < / code > < br / >
< code > #include < stdlib.h> < / code > < br / >
< / div > < div class = "textblock" > < div class = "dynheader" >
Include dependency graph for sol1.c:< / div >
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< div class = "center" > < iframe scrolling = "no" frameborder = "0" src = "../../d8/d48/problem__10_2sol1_8c__incl.svg" width = "248" 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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Functions< / h2 > < / td > < / tr >
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< tr class = "memitem:acc871ab6bfead702e983a7f9c412915f" > < td class = "memItemLeft" align = "right" valign = "top" > char  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "../../d0/d6d/problem__10_2sol1_8c.html#acc871ab6bfead702e983a7f9c412915f" > is_prime< / a > (unsigned long n)< / td > < / tr >
< tr class = "memdesc:acc871ab6bfead702e983a7f9c412915f" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Function to check if a number is prime. < a href = "../../d0/d6d/problem__10_2sol1_8c.html#acc871ab6bfead702e983a7f9c412915f" > More...< / a > < br / > < / td > < / tr >
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< tr class = "memitem:ae3d987cb2ad0ddb0c3caa4c2506a20e5" > < td class = "memItemLeft" align = "right" valign = "top" > unsigned long long  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "../../d0/d6d/problem__10_2sol1_8c.html#ae3d987cb2ad0ddb0c3caa4c2506a20e5" > sum_of_primes< / a > (unsigned long N)< / td > < / tr >
< tr class = "memdesc:ae3d987cb2ad0ddb0c3caa4c2506a20e5" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Computes sum of prime numbers less than N. < a href = "../../d0/d6d/problem__10_2sol1_8c.html#ae3d987cb2ad0ddb0c3caa4c2506a20e5" > More...< / a > < br / > < / td > < / tr >
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< tr class = "memitem:a0ddf1224851353fc92bfbff6f499fa97" > < td class = "memItemLeft" align = "right" valign = "top" > int  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "../../d0/d6d/problem__10_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 = "../../d0/d6d/problem__10_2sol1_8c.html#a0ddf1224851353fc92bfbff6f499fa97" > 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=10" target = "_blank" > Problem 10< / a > solution < / p >
< dl class = "section author" > < dt > Author< / dt > < dd > < a href = "https://github.com/kvedala" target = "_blank" > Krishna Vedala< / a > < / dd > < / dl >
< / div > < h2 class = "groupheader" > Function Documentation< / h2 >
< a id = "acc871ab6bfead702e983a7f9c412915f" name = "acc871ab6bfead702e983a7f9c412915f" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#acc871ab6bfead702e983a7f9c412915f" > ◆ < / a > < / span > is_prime()< / h2 >
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
< td class = "memname" > char is_prime < / td >
< td > (< / td >
< td class = "paramtype" > unsigned long  < / td >
< td class = "paramname" > < em > n< / em > < / td > < td > )< / td >
< td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > Function to check if a number is prime. < / p >
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< div class = "fragment" > < div class = "line" > < span class = "lineno" > 12< / span > {< / div >
< div class = "line" > < span class = "lineno" > 13< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > unsigned< / span > < span class = "keywordtype" > long< / span > i = 2; i < sqrtl(n) + 1; i++)< / div >
< div class = "line" > < span class = "lineno" > 14< / span > < span class = "keywordflow" > if< / span > (n % i == 0)< / div >
< div class = "line" > < span class = "lineno" > 15< / span > < span class = "keywordflow" > return< / span > 0;< / div >
< div class = "line" > < span class = "lineno" > 16< / span > < / div >
< div class = "line" > < span class = "lineno" > 17< / span > < span class = "keywordflow" > return< / span > 1;< / div >
< div class = "line" > < span class = "lineno" > 18< / span > }< / div >
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< / div > <!-- fragment -->
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< a id = "a0ddf1224851353fc92bfbff6f499fa97" name = "a0ddf1224851353fc92bfbff6f499fa97" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a0ddf1224851353fc92bfbff6f499fa97" > ◆ < / a > < / span > main()< / h2 >
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< td class = "memname" > int main < / td >
< td > (< / td >
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< 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 >
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< p > Main function. < / p >
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< div class = "fragment" > < div class = "line" > < span class = "lineno" > 34< / span > {< / div >
< div class = "line" > < span class = "lineno" > 35< / span > < span class = "keywordtype" > unsigned< / span > < span class = "keywordtype" > long< / span > n = 100;< / div >
< div class = "line" > < span class = "lineno" > 36< / span > < / div >
< div class = "line" > < span class = "lineno" > 37< / span > < span class = "keywordflow" > if< / span > (argc == 2) < span class = "comment" > /* if command line argument is provided */< / span > < / div >
< div class = "line" > < span class = "lineno" > 38< / span > n = atol(argv[1]); < span class = "comment" > /* use that as the upper limit */< / span > < / div >
< div class = "line" > < span class = "lineno" > 39< / span > < / div >
< div class = "line" > < span class = "lineno" > 40< / span > printf(< span class = "stringliteral" > " %ld: %llu\n" < / span > , n, < a class = "code hl_function" href = "../../d0/d6d/problem__10_2sol1_8c.html#ae3d987cb2ad0ddb0c3caa4c2506a20e5" > sum_of_primes< / a > (n));< / div >
< div class = "line" > < span class = "lineno" > 41< / span > < / div >
< div class = "line" > < span class = "lineno" > 42< / span > < span class = "keywordflow" > return< / span > 0;< / div >
< div class = "line" > < span class = "lineno" > 43< / span > }< / div >
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< div class = "ttc" id = "aproblem__10_2sol1_8c_html_ae3d987cb2ad0ddb0c3caa4c2506a20e5" > < div class = "ttname" > < a href = "../../d0/d6d/problem__10_2sol1_8c.html#ae3d987cb2ad0ddb0c3caa4c2506a20e5" > sum_of_primes< / a > < / div > < div class = "ttdeci" > unsigned long long sum_of_primes(unsigned long N)< / div > < div class = "ttdoc" > Computes sum of prime numbers less than N.< / div > < div class = "ttdef" > < b > Definition:< / b > sol1.c:21< / div > < / div >
< / div > <!-- fragment --> < div class = "dynheader" >
Here is the call graph for this function:< / div >
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< / div >
< / div >
< / div >
< / div >
< a id = "ae3d987cb2ad0ddb0c3caa4c2506a20e5" name = "ae3d987cb2ad0ddb0c3caa4c2506a20e5" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#ae3d987cb2ad0ddb0c3caa4c2506a20e5" > ◆ < / a > < / span > sum_of_primes()< / h2 >
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
< td class = "memname" > unsigned long long sum_of_primes < / td >
< td > (< / td >
< td class = "paramtype" > unsigned long  < / td >
< td class = "paramname" > < em > N< / em > < / td > < td > )< / td >
< td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > Computes sum of prime numbers less than N. < / p >
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< div class = "fragment" > < div class = "line" > < span class = "lineno" > 22< / span > {< / div >
< div class = "line" > < span class = "lineno" > 23< / span > < span class = "keywordtype" > unsigned< / span > < span class = "keywordtype" > long< / span > < span class = "keywordtype" > long< / span > sum = 2;< / div >
< div class = "line" > < span class = "lineno" > 24< / span > < / div >
< div class = "line" > < span class = "lineno" > 25< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > long< / span > i = 3; i < N; i += 2) < span class = "comment" > /* skip even numbers */< / span > < / div >
< div class = "line" > < span class = "lineno" > 26< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_function" href = "../../d0/d6d/problem__10_2sol1_8c.html#acc871ab6bfead702e983a7f9c412915f" > is_prime< / a > (i))< / div >
< div class = "line" > < span class = "lineno" > 27< / span > sum += i;< / div >
< div class = "line" > < span class = "lineno" > 28< / span > < / div >
< div class = "line" > < span class = "lineno" > 29< / span > < span class = "keywordflow" > return< / span > sum;< / div >
< div class = "line" > < span class = "lineno" > 30< / span > }< / div >
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< div class = "ttc" id = "aproblem__10_2sol1_8c_html_acc871ab6bfead702e983a7f9c412915f" > < div class = "ttname" > < a href = "../../d0/d6d/problem__10_2sol1_8c.html#acc871ab6bfead702e983a7f9c412915f" > is_prime< / a > < / div > < div class = "ttdeci" > char is_prime(unsigned long n)< / div > < div class = "ttdoc" > Function to check if a number is prime.< / div > < div class = "ttdef" > < b > Definition:< / b > sol1.c:11< / div > < / div >
< / div > <!-- fragment --> < div class = "dynheader" >
Here is the call graph for this function:< / div >
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