제출 #851812

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
851812		AliMark71	Unija (COCI17_unija)	C++17	80 / 100	1042 ms	50564 KiB

unija

//
//  main.cpp
//  GeneralCompetitiveProgramming
//
//  Created by Ali AlSalman on 12/07/2023.
//

#include <iostream>
#include <iomanip>
#include <algorithm>
#include <string>
#include <vector>
#include <queue>
#include <map>
#include <unordered_map>
#include <numeric>
#include <cmath>
#include <climits>

#define endl '\n'

using namespace std;

int main() {
    ios::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr);
    
    int n;
    cin>>n;
    
    map<int, int> mp;
    while (n--) {
        int x, y;
        cin>>x>>y;
        x /= 2; y /= 2;
        mp[x] = max(mp[x], y);
    }
    
    long long size = 0;
    for (auto i = mp.rbegin(); i != mp.rend(); i++) {
        if (next(i) == mp.rend()) {
            size += (long long) i->first * i->second;
            break;
        }
        
        size += (long long) (i->first - next(i)->first) * (i->second);
        next(i)->second = max(next(i)->second, i->second);
    }
    
    cout<<4 * size<<endl;
}

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 0 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 0 / 10