제출 #1077951

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1077951		raduv	Football (info1cup20_football)	C++17	100 / 100	27 ms	2140 KiB

football

#include <bits/stdc++.h>

using namespace std;
void solve(){
  int n, k, i, xornim, x, rez;
  scanf("%d%d", &n, &k);
  xornim = 0;
  for ( i = 0; i < n; i++ ){
    scanf("%d", &x);
    xornim ^= x;
  }
  rez = 0;
  for( i = 0; (1 << i) <= k; i++ ){
    if(xornim & (1 << i))
      rez = 1;
  }
  printf("%d", rez);
}
int main()
{
    int t;
    scanf("%d", &t);
    while(t--){
      solve();
    }
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

football.cpp: In function 'void solve()':
football.cpp:6:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    6 |   scanf("%d%d", &n, &k);
      |   ~~~~~^~~~~~~~~~~~~~~~
football.cpp:9:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    9 |     scanf("%d", &x);
      |     ~~~~~^~~~~~~~~~
football.cpp: In function 'int main()':
football.cpp:22:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   22 |     scanf("%d", &t);
      |     ~~~~~^~~~~~~~~~

• Subtask 1: 26 / 26
• Subtask 2: 8 / 8
• Subtask 3: 11 / 11
• Subtask 4: 8 / 8
• Subtask 5: 16 / 16
• Subtask 6: 16 / 16
• Subtask 7: 7 / 7
• Subtask 8: 8 / 8