Submission #654749

#	Time	Username	Problem	Language	Result	Execution time	Memory
654749		veiga	Art Exhibition (JOI18_art)	C++17	50 / 100	1022 ms	24592 KiB

art

#include <bits/stdc++.h>
using namespace std;

#define int long long
#define all(x) begin(x), end(x)
#define sz(x) (int)(x).size()
#define pb push_back
#define F first
#define S second
#define endl "\n"
const int INF = 1e9+10;
const int MOD = 1e9+7;

int n;
vector<pair<int, int>> v;

int32_t main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    cin >> n;
    for(int i = 0; i < n; i++) {
        int a, b; cin >> a >> b;
        v.pb({a, b});
    }
    sort(all(v));
    vector<int> sum(n+1);
    int at = 0;
    for(int i = 0; i < n; i++) {
        at += v[i].S;
        sum[i+1] = at;
    }
    int resp = 0;
    for(int i = 0; i < n; i++) {
        for(int j = i; j < n; j++) {
            at = (sum[j+1] - sum[i]) - (v[j].F - v[i].F);
            resp = max(resp, at);
        }
    }
    cout << resp << endl;

    return 0;
}

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