Submission #1369782

#	Time	Username	Problem	Language	Result	Execution time	Memory
1369782		c12	Art Exhibition (JOI18_art)	C++20	0 / 100	0 ms	344 KiB

art

#include <bits/stdc++.h>

using namespace std;

#define ll long long

int main() {
    int n;
    cin >> n;

    ll mn = 0;
    ll sum = 0;
    vector<pair<ll,ll>>vec(n);
    for(int i = 0;i < n;i++){
        cin >> vec[i].first >> vec[i].second;
    }
    ll mx = 0;
    sort(vec.begin(),vec.end());
    for(int i = 0;i < n;i++){
        mx = max(mx,(sum + vec[i].second) - vec[i].first + mn);
        mn = max(mn,vec[i].first - sum);
        sum += vec[i].second;
    }
    cout << mx;
}
/*
Pre[i] - pre[j] - A[i] + A[j]
pre[i] - A[i] + ( - pre[j-1] + A[j])
*/

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