Submission #972172

#	Time	Username	Problem	Language	Result	Execution time	Memory
972172		Hectorungo_18	Art Exhibition (JOI18_art)	C++14	0 / 100	1 ms	344 KiB

art

#include <iostream>
#include <bits/stdc++.h>
#include <list>
#include <set>
#include <cstdio>

using namespace std;
#define int long long
#define f first
#define s second 


void solve(){
    int n;
    cin >> n;
    vector<pair<int, int>> v(n+1, {0, 0});

    for(int i = 1; i <= n; i++) cin >> v[i].f >> v[i].s;

    sort(v.begin(), v.end());


    vector<int> ps(n+1, 0);
    ps[1] = v[1].s;
    // cout << ps[1] << " ";
    for(int i = 2; i <= n; i++){
        ps[i] = ps[i-1]+v[i].s;
        ps[i]+=v[i-1].f-v[i].f;
        // cout << ps[i] << " ";
    }
    // cout << endl;
    int ans = ps[1];
    int pos = 0;
    int mn = (int) 0;
    if(ps[1] < mn){
        mn = ps[1];
        pos = 1;
    }
    for(int i = 2; i <= n; i++){
        if(ps[i]-mn+v[pos].s > ans){
            ans = ps[i]-mn+v[pos].s;
        }
        if(mn > ps[i]){
            mn = ps[i];
            pos = i;
        }
    }

    cout << ans << endl;

}

signed main() {
    int t = 1;
    // cin >> t;
    while(t--) solve();

    return 0;
}

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