View Code of Problem 3696

#include <stdio.h>
#include <math.h> 
using namespace std;
int main(){
	int N;
	long long int a;
	while( ~scanf("%d", &N )){
		a = 1;
		for( int i=0; i<N; i++ ){
			a *= N;
		}
		printf("%d\n", a%10 );
	}

	return 0;
	
}

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