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  1. #include <cstdio>
  2.  
  3. long long fact(long long k)
  4. {
  5. return k/5 + k/25;
  6. }
  7.  
  8. int main()
  9. {
  10. long long n,k;
  11. scanf("%lld", &n); // <<< only read n here, not n and k
  12. while (n--)
  13. {
  14. scanf("%lld", &k);
  15. printf("%lld\n", fact(k)); // <<< use %lld for long long
  16. }
  17. }
Success #stdin #stdout 0s 3100KB
stdin
4
1
8
26
52
stdout
0
1
6
12