Submission #1144274

#	Time	Username	Problem	Language	Result	Execution time	Memory
1144274		Robert_junior	Art Exhibition (JOI18_art)	C++20	100 / 100	133 ms	8264 KiB

art

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pb push_back
#define ins insert
#define all(x) x.begin(), x.end()
#define F first
#define S second
const int N  = 200100, k = 350;
void solve(){
    int n;
    cin>>n;
    vector<pair<int, int>>v(n);
    for(int i = 0; i < n; i++){
        cin>>v[i].F>>v[i].S;
    }
    sort(all(v));
    int mx = -1e18;
    int cur = 0;
    int ans = 0;
    for(int i = 0; i < n; i++){
        mx = max(mx, v[i].F - cur);
        cur += v[i].S;
        ans = max(ans, cur - v[i].F + mx);
    }
    cout<<ans;
}
signed main(){
    ios_base :: sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    int t = 1;
    //cin>>t;
    while(t--){
        solve();
    }
}

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