Submission #1445066

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Source Code Expand

#include <cstdio>

int gcd(int a, int b) {
  if(a == 0 || b == 0)
    return a + b;
  int r = a % b;
  while(r > 0) {
    a = b;
    b = r;
    r = a % b;
  }
  return b;
}

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

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:18:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d", &n, &k);
                        ^
./Main.cpp:21:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &x);
                    ^

Judge Result