Submission #869935

#	Time	Username	Problem	Language	Result	Execution time	Memory
869935		overwatch9	Examination (JOI19_examination)	C++17	2 / 100	87 ms	6852 KiB

examination

#include <iostream>
#include <vector>
#include <array>
using namespace std;
using ll = long long;
int n, q;
vector <pair <ll, ll>> ppl;
vector <array <ll, 3>> queries;
void subtask1() {
    for (int i = 0; i < q; i++) {
        int ans = 0;
        ll a = queries[i][0], b = queries[i][1], c = queries[i][2];
        for (int j = 0; j < n; j++) {
            if (ppl[j].first + ppl[j].second >= c && ppl[j].first >= a && ppl[j].second >= b)
                ans++;
        }
        cout << ans << '\n';
    }
}
int main() {
    cin >> n >> q;
    ppl.resize(n);
    queries.resize(q);
    for (int i = 0; i < n; i++)
        cin >> ppl[i].first >> ppl[i].second;
    for (int i = 0; i < q; i++)
        cin >> queries[i][0] >> queries[i][1] >> queries[i][2];
    if (n <= 3000 && q <= 3000)
        subtask1();
}

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