Submission #1157644

#	Time	Username	Problem	Language	Result	Execution time	Memory
1157644		c4c7u5	Advertisement 2 (JOI23_ho_t2)	C++20	10 / 100	276 ms	6416 KiB

Main

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

int n;
pair<int, int> a[500005];
vector<int> v;

int main() {
    cin >> n;
    for(int i=0;i<n;i++) cin >> a[i].first >> a[i].second;
    sort(a, a+n);
    
    int tmp=-1;
    for(int i=0;i<n;i++) {
        if(a[i].second+a[i].first>tmp) {
            while(!v.empty() && v.front()<=a[i].second-a[i].first) v.pop_back();
            v.push_back(a[i].second-a[i].first);
            tmp = a[i].second+a[i].first;
        }
    }
    cout << v.size() << "\n";

    return 0;
}

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