Submission

Score: 0

User: KantaponZ

Problemset: ห้องสมุดเมือง 3M

Language: cpp

Time: 0.025 second

Submitted On: 2025-08-24 23:52:33

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

vector<int> v(20000002);
vector<pair<int,int>> med;
int n;

int main() {
    ios_base::sync_with_stdio(0), cin.tie(0);
    cin >> n;
    for (int i = 0; i < n; i++) {
        int x, y;
        cin >> x >> y;
        v[x]++; v[y]--;
    }
    int sum = 0;
    for (int i = 0; i <= 20000000; i++) {
        sum += v[i];
        if (sum) {
            med.emplace_back(sum, i);
        }
    }
    sort(med.begin(), med.end());
    cout << med[med.size() / 2 - 1].second;
    
}