Submission

Score: 0

User: sulinx

Problemset: ห้องสมุดเมือง 3M

Language: cpp

Time: 0.002 second

Submitted On: 2026-02-14 10:19:58

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

int main(){
    int n, x, y;
    cin >> n;

    vector<int> lib;
    for(int i = 0; i < n; i++){
        cin >> x >> y;
        for(int j = x; j < y; j++){
            lib.push_back(j);
        }
    }
    
    sort(lib.begin(), lib.end());
    cout << lib[lib.size() / 2] - 1;
}