제출 #1144289

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1144289		arafatenok	Art Exhibition (JOI18_art)	C++17	50 / 100	1096 ms	8624 KiB

art

#include <bits/stdc++.h>
#pragma GCC optimize("Ofast,no-stack-protector,unroll-loops,fast-math,O3")
#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
#pragma GCC optimization("unroll-loops")
#pragma ("reroll")
#define skip continue;
#define gold ios_base::sync_with_stdio(false);cin.tie(NULL);
#define xa "\n"
#define int long long
#define all(a) a.begin(), a.end()
#define pb push_back
using namespace std;

const int mod = 1e9 + 7;
const int N = 1e6 + 7;
const int MAX = 1e9;
const int inf = 1e18;

int gcd(int a, int b) { if (b == 0) return a; else if(a == 0) return b; else return gcd(b, a % b); }
int lcm(int a, int b) { return a / gcd(a, b) * b; }

void solve() {
    int n;
    cin >> n;
    vector < pair < int, int > > v;
    v.pb({-inf, -inf});
    for(int i = 1; i <= n; i++){
        int a, b;
        cin >> a >> b;
        v.pb({a, b});
    }
    sort(all(v));
    int mx = 0;
    for(int i = 1; i <= n; i++){
        int sum = 0;
        for(int j = i; j >= 1; j--){
            sum += v[j].second;
            mx = max(mx, sum - (v[i].first - v[j].first));
        }
    }
    cout << mx << xa;
}



signed main() {
    gold;
    //freopen("pails.in", "r", stdin);
    //freopen("pails.out", "w", stdout);
    int t = 1;
    int ti = 1;
    //cin >> t;
    while (t--) {
        //cout << "Case " << ti << ": ";
        solve();
        ti++;
    }
}

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