Submission #1200803

#	Time	Username	Problem	Language	Result	Execution time	Memory
1200803		GoBananas69	Examination (JOI19_examination)	C++20	2 / 100	3093 ms	2048 KiB

examination

#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
typedef long long ll;

int main() {
    cin.tie(0) -> sync_with_stdio(0);
    ll n, q;
    cin >> n >> q;
    vector<ll> s(n), t(n);
    for (ll i = 0; i<n; ++i) {
        cin >> s[i] >> t[i];
    }
    while (q--) {
        ll x, y, sum;
        cin >> x >> y >> sum;
        if (x + y >= sum) {
            ll pass = 0;
            for (ll i = 0; i<n; ++i) {
                if (s[i] >= x && t[i] >= y) ++pass;
            }
            cout << pass << '\n';
        } else {
            ll a = 0, b = 0;
            for (ll i = 0; i<n; ++i) {
                if (s[i] >= x && s[i] + t[i] >= sum) {
                    ++a;
                }
                if (t[i] < y && s[i] + t[i] >= sum) {
                    ++b;
                }
            }
            cout << a - b << '\n';
        }
    }
} 

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