제출 #320289

#제출 시각아이디문제언어결과실행 시간메모리
320289kaplanbar무제 (POI11_tem)C++14
0 / 100
285 ms21728 KiB
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int n;
    cin >> n;
    vector<int> v;
    for(int i = 0; i < n; i++) {
        int x, y;
        cin >> x >> y;
        auto it = upper_bound(v.begin(), v.end(), y);
        if(it == v.end()) {
            v.push_back(x);
        }
        else {
            *it = x;
        }
    }
    cout << v.size();
    return 0;
}
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