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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	int n,i=1;
  5.     unsigned long long fact=1;
  6.     printf("enter a integer:");
  7.     scanf("%d",&n);
  8.     do {
  9.     fact=fact*i;
  10.     i++;
  11.     } while (i<=n);
  12.     printf("factorial of a number=%d\n",fact);
  13. 	return 0;
  14. }
  15.  
Success #stdin #stdout 0s 5308KB
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enter a integer:factorial of a number=-2102132736
https://ideone.com/qKYY3F
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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