Submission #577880

#	Time	Username	Problem	Language	Result	Execution time	Memory
577880		Trisanu_Das	Art Exhibition (JOI18_art)	C++17	0 / 100	1 ms	212 KiB

art

#include <bits/stdc++.h>
using namespace std;
 
int main(){
    int n; cin >> n;
    vector<pair<int, int>> a(n);
    for (auto p : a) cin >> p.first >> p.second;
    sort(a.begin(), a.end());
    int pref[n + 1];
    for (int i = 0; i < n; i++) pref[i + 1] = pref[i] + a[i].second;
    vector diff(pref + 1, pref + n + 1);
    for (int i = 0; i < n; i++) diff[i] -= a[i].first;
    int ans = 0, tmp = INT_MIN / 2;
    for (int i = n - 1; i > -1; i--)
    {
        tmp = max(tmp, diff[i]); ans = max(ans, tmp + a[i].first - pref[i]);
    }
    cout << ans << '\n';
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 50