Submission #768058

#	Time	Username	Problem	Language	Result	Execution time	Memory
768058		Trisanu_Das	Advertisement 2 (JOI23_ho_t2)	C++17	100 / 100	349 ms	13896 KiB

Main

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

int main(){
  int n; cin >> n;
  pair<int, int> a[n];
  for(int i = 0; i < n; i++){
    int x, y; cin >> x >> y;
    a[i] = make_pair(x - y, -x - y);
  }
  sort(a, a + n);
  int ans = 0, tmp = 0;
  for(int i = 0; i < n; i++){
    if(tmp > a[i].second){
      tmp = a[i].second; ans++;
    }
  }
  cout << ans << '\n';
}

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