Submission #1131807

#	Time	Username	Problem	Language	Result	Execution time	Memory
1131807		lopkus	Advertisement 2 (JOI23_ho_t2)	C++20	0 / 100	24 ms	2372 KiB

Main

#include <bits/stdc++.h>

#define int long long

using namespace std;

signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int n;
    cin >> n;
    vector<pair<int,int>> a(n + 1);
    for(int i = 1; i <= n; i++) {
        int u, v;
        cin >> u >> v;
        a[i] = {u - v, u + v};
    }
    sort(a.begin(), a.end(), [&](pair<int, int> x, pair<int, int> y) {
  		if (x.first == y.first)
  			return x.second > y.second;
  		return x.first < y.first;
  	});
    int ans = 0, best = - 1;
    for(int i = 1; i <= n; i++) {
        if(best < a[i].second) {
            best = a[i].second;
            ans += 1;
        }
    }
    cout << ans;
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 23
• Subtask 3: 0 / 36
• Subtask 4: 0 / 31