Submission #1447427

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Source Code Expand

#include <cstdio>
#include <vector>

using namespace std;

int n,k,mx = -1,gg,x;

int gcd(int a,int b){
    if(a < b) return gcd(b,a);
    if(!b) return a;
    return gcd(b,a%b);
}

int main(){
    scanf("%d %d %d",&n,&k,&gg);
    mx = gg;
    for(int i = 1;i<n;i++){
        scanf("%d",&x);
        gg = gcd(gg,x);
        if(x > mx)
            mx = x;
    }
    if(k <= mx && k % gg == 0){
        printf("POSSIBLE\n");
    }
    else{
        printf("IMPOSSIBLE\n");
    }
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:15:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d %d",&n,&k,&gg);
                                ^
./Main.cpp:18:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",&x);
                       ^

Judge Result