Submission #1135247

#	Time	Username	Problem	Language	Result	Execution time	Memory
1135247		antonn	Examination (JOI19_examination)	C++20	100 / 100	1730 ms	1816 KiB

examination

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

#define F first
#define S second

using namespace std;
using ll = long long;
using pi = pair<int, int>;
using vi = vector<int>;

template<class T> bool ckmin(T& a, T b) { return b < a ? a = b, true : false; }
template<class T> bool ckmax(T& a, T b) { return a < b ? a = b, true : false; }

int main() {
    ios::sync_with_stdio(0); cin.tie(0);
    
    int n, q; cin >> n >> q;
    vector<int> s(n + 1), t(n + 1);
    for (int i = 1; i <= n; ++i) cin >> s[i] >> t[i];
    
    while (q--) {
        int a, b, c; cin >> a >> b >> c;
        int ans = 0;
        for (int i = 1; i <= n; ++i) {
            if (s[i] >= a && t[i] >= b && s[i]+t[i] >= c) {
                ++ans;
            }
        }
        cout << ans << "\n";
    }
}

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