my code shows timeout error help

include<stdio.h>

int fact(int n); int main() { int t=0, num,milgaya; printf("enter test cases"); scanf("%d",&t); while(t!=0) {printf("ener number "); scanf("%d",&num); printf("of %d ",num); milgaya = fact(num); printf("%d",milgaya); t--; } return 0; } int fact(int n) { int i=1,ans=0; if (n!=1) while (i!=n) { ans = n*i; }

else
      ans = 1;

return (ans); }