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  1.  
  2. #include  <stdio.h>
  3. int main(void)
  4. {
  5.     int i,a,n,x;
  6.     a=1;
  7.     i=1;
  8.     scanf("%d",&n);
  9.     x=n;
  10.     while(i<=x)
  11.     {
  12.         a=a*n;
  13.         n--;
  14.         i++;
  15.     }
  16.     printf("%d",a);
  17.     return 0;
  18. }
  19.  
  20.  
Success #stdin #stdout 0.01s 5304KB
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https://ideone.com/JAsZEQ
language:
C (gcc 8.3)
created:
3 hours ago
visibility:
public

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