Submission #106978

#	Time	Username	Problem	Language	Result	Execution time	Memory
106978		FiloSanza	Art Exhibition (JOI18_art)	C++14	100 / 100	339 ms	24968 KiB

art

#include <bits/stdc++.h>

using namespace std;

int main(){
    cin.tie(0);
    cin.sync_with_stdio(0);

    int N;
    cin >> N;
    vector<pair<long long, int>> v(N);

    for(auto &i : v) cin >> i.first >> i.second;
    sort(v.begin(), v.end());

    vector<long long> s(N+1, 0);
    for(int i=1; i<=N; i++) s[i] = s[i-1] + v[i-1].second;

    long long ans = 0, maxi = 0;

    for(int i=0; i<N; i++){
        maxi = max(maxi, v[i].first - s[i]);
        ans = max(ans, s[i+1] - v[i].first + maxi);
    }

    cout << ans;
}

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