Submission #1190628

#	Time	Username	Problem	Language	Result	Execution time	Memory
1190628		akbarr	Art Exhibition (JOI18_art)	C++20	50 / 100	1095 ms	12096 KiB

art

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define run ios_base::sync_with_stdio(0);cin.tie(0);
#define F first
#define S second
#define endl '\n'
const int inf = 1e18+7;
const int sz = 1e5+5;
void solve() {
    int n;
    cin >> n;
    pair<int,int> a[n+1];
    for(int i = 1; i <= n;i++)  cin >> a[i].F >> a[i].S;
    sort(a+1,a+n+1);
    int psum[n+1];
    psum[0] = 0;
    psum[1] = a[1].S;
    for(int i = 1; i <= n;i++){
        psum[i] = psum[i-1] + a[i].S;
    }
    int best = -1;
    for(int i = 1; i <= n;i++){
        int mx = -1,mn = inf,cost = 0,sum=0;
        mn = a[i].F;
        for(int j = i;j <= n;j++){
            mx = max(a[j].F,mx);
            sum = psum[j] - psum[i-1];
            cost = sum - mx + mn;
            best = max(cost,best); 
        }
    }
    cout << best << endl;
}
 
signed main() {
    run;
    int t = 1;
    //cin >> t;
    while (t--) {
        solve();
    }
}
// 11111100000

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