Submission #997269

#	Time	Username	Problem	Language	Result	Execution time	Memory
997269		Asymmetry	Advertisement 2 (JOI23_ho_t2)	C++17	100 / 100	118 ms	14088 KiB

Main

#include <bits/stdc++.h>
using namespace std;

int main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	
	int n;
	cin >> n;
	vector<pair<int, int> > v(n);
	for(int i = 0; i < n; i++){
		int x, e;
		cin >> x >> e;
		v[i] = {x - e, x + e};
	}
	sort(v.begin(), v.end(), [](auto x, auto y){
		return x.first < y.first || (x.first == y.first && x.second > y.second);
	});
	int l = 0, x = -1e9;
	for(auto [a, b] : v){
		if(b > x) {
		   l++;
		   x = b;
		}
	}
	cout << l << '\n';	
	return 0;
}

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