Submission #1556240

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Source Code Expand

#include <stdio.h>


int findGcd(int a, int b) {
	while(b > 0) {
		int t = a % b;
		a = b;	
		b = t;
	}
	return a;
}

int main() {
	int n, k, a;
	while (scanf("%d%d", &n, &k) == 2) {
		int max = 0, gcd = 0;
		for(int i = 0; i < n; i++) {
			scanf("%d", &a);
			max = max > a ? max : a;	
			gcd = findGcd(gcd, a);
		}
		if (k <= max && 0 == k%gcd) {
			printf("POSSIBLE\n");			
		} else {
			printf("IMPOSSIBLE\n");			
		}
	}
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:18:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
    scanf("%d", &a);
                   ^

Judge Result