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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. void fctrl(int n)
  5. {
  6.     vector<char> factorial;
  7.     for(int i=n; i>0; i/=10) {
  8.         factorial.push_back(i%10);
  9.     }
  10.  
  11.     for(int i=1; i<n; i++) {
  12.         int temp = 0;
  13.         for(int index=0; index<factorial.size(); index++) {
  14.             int x = factorial[index] * i + temp;
  15.             factorial[index] = x % 10;
  16.             temp = x / 10;
  17.         }
  18.         for(int i=temp; i>0; i/=10)
  19.             factorial.push_back(i % 10);
  20.     }
  21.     for(int i=factorial.size()-1; i>=0; i--)
  22.         cout << factorial[i];
  23.     printf("\n");
  24. }
  25.  
  26. int main()
  27. {
  28.     short n, t;
  29.     scanf("%d", &t);
  30.     while(t--) {
  31.         scanf("%d", &n);
  32.         if(n==0) printf("1\n");
  33.         else fctrl(n);
  34.     }
  35.     return 0;
  36. }
  37.  
Success #stdin #stdout 0s 15240KB
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https://ideone.com/ws1rSh
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
secret

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