Submission #1290528

#	Time	Username	Problem	Language	Result	Execution time	Memory
1290528		gecepanteri	Art Exhibition (JOI18_art)	C++20	100 / 100	885 ms	43596 KiB

art

#include <bits/stdc++.h>
using namespace std;
#pragma GCC optimize("O3,unroll-loops")
#define int long long

int32_t main(){
    int n = 0;
    cin >> n;
    map <int, int> mp;
    for(int i = 0; i < n; i++){
        int a = 0, b = 0;
        cin >> a >> b;
        mp[a] += b;
    }
    vector <pair<int, int>> eserler;
    for(auto tmp : mp){
        eserler.push_back(tmp);
    }
    int pref[(int)(eserler.size() + 1)];
    pref[0] = 0;
    for(int i = 0; i < eserler.size(); i++){
        pref[i + 1] = pref[i] + eserler[i].second;
    }
    int cevap = 0, onceki = LLONG_MAX;
    for(int i = 0; i < eserler.size(); i++){
        onceki = min(onceki, pref[i] - eserler[i].first);
        cevap = max(cevap, pref[i + 1] - eserler[i].first - onceki);
    }
    cout << cevap << endl;
}

• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 50 / 50