Submission
Status:
[P-SSS][SSSSS][SSSSSSSSSS]
Score: 0
User: sulinx
Problemset: ห้องสมุดเมือง 3M
Language: cpp
Time: 0.002 second
Submitted On: 2025-03-23 00:12:21
#include <bits/stdc++.h>
using namespace std;
void addingBooks(pair<int,int>& tmpbook,vector<int>& fulllib){
fulllib.reserve(fulllib.size() + (tmpbook.second - tmpbook.first));
for(int i = 0; i < tmpbook.second - tmpbook.first; i++) {
fulllib.emplace_back(i + tmpbook.first);
}
}
int main(){
int n;
vector<int> fulllib;
pair<int,int> tmp;
cin >> n;
for(int i=0;i<n;i++){
cin >> tmp.first >> tmp.second;
addingBooks(tmp,fulllib);
}
cout<<fulllib[(fulllib.size()/2)-1];
}