Submission #1445150

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Source Code Expand

#include <cstdio>
#include <algorithm>
using namespace std;
typedef long long ll;
ll gcd(ll a, ll b){return b==0?a:gcd(b,a%b);}

int main()
{
  int n;
  ll k, maxn, t, g;
  scanf("%d%lld", &n, &k);
  scanf("%lld", &g);
  maxn = g;
  for(int i = 1; i < n; i++){
    scanf("%lld", &t);
    g = gcd(g, t);
    maxn = max(maxn, t);
  }
  if(maxn >= k && (maxn-k)%g==0)  printf("POSSIBLE\n");
  else printf("IMPOSSIBLE\n");
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:11:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%lld", &n, &k);
                          ^
./Main.cpp:12:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld", &g);
                    ^
./Main.cpp:15:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%lld", &t);
                      ^

Judge Result