제출 #788693

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
788693		prefixorsuuffiixx	Examination (JOI19_examination)	C++14	2 / 100	3060 ms	4204 KiB

examination

#include <bits/stdc++.h>
#pragma GCC target ("avx2")
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast,unroll-loops")
using namespace std;

int main() {
    ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
    int n,m;
    cin>>n>>m;
    int a[n],b[n];
    for (int i = 0;i<n;i++)cin>>a[i]>>b[i];
    long long ans;
    int x,y,z;
    while(m--){
        ans = 0;
        cin>>x>>y>>z;
        for (int i = 0; i < n; i++)ans += (a[i] >= x & b[i] >= y & a[i]+b[i]>=z);
        cout << ans << '\n';
    }
}

컴파일 시 표준 에러 (stderr) 메시지

examination.cpp: In function 'int main()':
examination.cpp:18:49: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
   18 |         for (int i = 0; i < n; i++)ans += (a[i] >= x & b[i] >= y & a[i]+b[i]>=z);
      |                                            ~~~~~^~~~
examination.cpp:18:77: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
   18 |         for (int i = 0; i < n; i++)ans += (a[i] >= x & b[i] >= y & a[i]+b[i]>=z);
      |                                                                    ~~~~~~~~~^~~

• Subtask 1: 2 / 2
• Subtask 2: 0 / 20
• Subtask 3: 0 / 21
• Subtask 4: 0 / 57