TheAlgorithms-C/misc/Large_Factorials.c

#include <stdio.h>

int main(){

	int a[16500], T;
	long long int i, j;

	printf("Enter number of test cases : ");
	scanf("%d", &T);

	while(T--){
		for(i=0; i<16500; i++){
			a[i]=0;
		}

		a[1]=1;
		int N, carry=0, count=0;
		printf("Enter a number : ");
		scanf("%d", &N);

		for(i=1; i<=N; i++){
			carry=0;
			for(j=0; j<16500; j++){
				a[j]=a[j]*i+carry;
				carry=a[j]/10;
				a[j]=a[j]%10;
			}
		}

		for(i=0; i<16500; i++){
			if(a[i]!=0){
				count=i;
			}
		}

		for(i=count; i>0; i--){
			printf("%d", a[i]);
		}
		printf("\n");

	}

	return 0;
}