제출 #1289260

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1289260		Ekber_Ekber	Art Exhibition (JOI18_art)	C++20	100 / 100	125 ms	8260 KiB

art

#include <bits/stdc++.h>
#define GOOD_LUCK ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define int long long
#define endl "\n"
#define ff first
#define ss second
#define pb push_back
#define all(v) v.begin(), v.end()
using namespace std;

constexpr int MAX = 2e+5 + 1, INF = 2e+16, MOD = 1e+9 + 7, K = 31;

void _() {
    int n;
    cin >> n;
    vector <pair<int, int>> v(n);
    int ma=0;
    for (auto &i : v) cin >> i.ff >> i.ss, ma = max(ma, i.ss);
    sort(all(v));
    int sum=0, res=0;
    int j = 0;
    for (int i = 0; i < n; i++) {
        sum += v[i].ss;
        res = max(res, sum - v[i].ff + v[j].ff);
        if (v[i].ff + v[i].ss > sum + v[j].ff) {
            j = i;
            sum = v[i].ss;
        }
    }
    cout << max(res, ma);
}

signed main() {

    GOOD_LUCK

    int tests=1;
    // cin >> tests;
    for (int i=1; i <= tests; i++) {
        _();
        cout << endl;
    }

    return 0;
}

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