Submission #1869983

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Source Code Expand

#include <iostream>
#include <cstdio>
using namespace std;
int n, k, a, g, mx;
int gcd(int p, int q) {return q ? gcd(q,p%q) : p;}
int main() {
	scanf("%d%d", &n, &k);
	for(int i=0; i<n; i++) {
		scanf("%d", &a);
		g = gcd(i?g:a, a);
		mx = max(mx, a);
	}
	printf("%sPOSSIBLE", k%g || k>mx ? "IM":"");
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:7:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &n, &k);
                       ^
./Main.cpp:9:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &a);
                  ^

Judge Result