제출 #1105912

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1105912		KasymK	Examination (JOI19_examination)	C++17	2 / 100	3005 ms	2656 KiB

examination

#include "bits/stdc++.h"
#pragma GCC target ("avx2")
#pragma GCC optimization ("O3")
#pragma GCC optimization ("unroll-loops")

using namespace std;
#define ff first
#define ss second
#define all(v) v.begin(), v.end()
#define ll long long
#define pb push_back
#define pii pair<int, int>
#define pli pair<ll, int>
#define pll pair<ll, ll>
#define tr(i, c) for(auto i = c.begin(); i != c.end(); ++i)
#define wr puts("----------------")
template<class T>bool umin(T& a,T b){if(a>b){a=b;return 1;}return 0;}
template<class T>bool umax(T& a,T b){if(a<b){a=b;return 1;}return 0;}
const int N = 1e5+5;
pii v[N];

int main(){
    int n, q;
    scanf("%d%d", &n, &q);
    for(int i = 1; i <= n; ++i){
        int a, b;
        scanf("%d%d", &a, &b);
        v[i] = {a, b};
    }
    while(q--){
        int a, b, c, answer = 0;
        scanf("%d%d%d", &a, &b, &c);
        for(int i = 1; i <= n; ++i)
            answer += (v[i].ff>=a and v[i].ss>=b and v[i].ff+v[i].ss>=c);
        printf("%d\n", answer);
    }
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

examination.cpp:3: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    3 | #pragma GCC optimization ("O3")
      | 
examination.cpp:4: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    4 | #pragma GCC optimization ("unroll-loops")
      | 
examination.cpp: In function 'int main()':
examination.cpp:24:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   24 |     scanf("%d%d", &n, &q);
      |     ~~~~~^~~~~~~~~~~~~~~~
examination.cpp:27:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   27 |         scanf("%d%d", &a, &b);
      |         ~~~~~^~~~~~~~~~~~~~~~
examination.cpp:32:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   32 |         scanf("%d%d%d", &a, &b, &c);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~

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