Submission #1693389

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Source Code Expand

#include <cstdio>
#include <algorithm>
int N, K, a[100001], G, M;
int gcd(int x, int y)
{
	int r;
	while (y)
	{
		r = x % y;
		x = y;
		y = r;
	}
	return x;
}
int main()
{
	scanf("%d%d", &N, &K);
	for (int i = 1; i <= N; i++)
		scanf("%d", a + i);
	G = M = a[1];
	for (int i = 2; i <= N; i++)
	{
		G = gcd(G, a[i]);
		M = std::max(M, a[i]);
	}
	puts(K <= M && K % G == 0 ? "POSSIBLE" : "IMPOSSIBLE");
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:17:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &N, &K);
                       ^
./Main.cpp:19:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", a + i);
                     ^

Judge Result