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  1. #include <stdio.h>
  2.  
  3. r;f(n){for(r=0;n/=5;)r+=n;return r;}
  4.  
  5. int main (int argc, char **argv) {
  6.     int i;
  7.     int testcases[] = {1, 5, 100, 666, 2016};
  8.  
  9.     for (i = 0; i < (sizeof(testcases) / sizeof(testcases[0])); i++) {
  10.         printf("f(%d)=%d\n", testcases[i], f(testcases[i]));
  11.     }
  12.  
  13.     return 0;
  14. }
  15.  
Success #stdin #stdout 0s 2160KB
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stdin
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Standard input is empty
stdout
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f(1)=0
f(5)=1
f(100)=24
f(666)=165
f(2016)=502
https://ideone.com/SeisX3
language:
C (gcc 8.3)
created:
8 years ago
visibility:
public

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