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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. int i,n,a=1;
  5. scanf("%d",&n);
  6.  
  7. for(i=1; i<=n; i++)
  8. a = a*i ;
  9. printf("ans%d",a);
  10. return 0;
  11. }
Success #stdin #stdout 0s 5328KB
stdin
7
stdout
ans5040