Submission #3771031

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;

void solve(long long N, long long K, vector<long long> A){
	bool f = false;
	for(int i = 0; i < N; ++i) {
		f = f || A[i] >= K;
	}
	if(!f) {
		cout << "IMPOSSIBLE" << endl;
		return;
	}
	long long g = A[0];
	for(int i = 0; i < N; ++i) {
		g = __gcd(g, A[i]);
	}
	for(int i = 0; i < N; ++i) {
		if((A[i] - K) % g == 0) {
			cout << "POSSIBLE" << endl;
			return;
		}
	}
	cout << "IMPOSSIBLE" << endl;
}

int main(){	
	long long K;
	long long N;
	scanf("%lld",&N);
	vector<long long> A(N-1+1);
	scanf("%lld",&K);
	for(int i = 0 ; i <= N-1 ; i++){
		scanf("%lld",&A[i]);
	}
	solve(N, K, A);
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:29:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld",&N);
                  ^
./Main.cpp:31:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld",&K);
                  ^
./Main.cpp:33:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld",&A[i]);
                      ^

Judge Result