Submission #1274118

#	Time	Username	Problem	Language	Result	Execution time	Memory
1274118		almaz	Art Exhibition (JOI18_art)	C++20	10 / 100	1095 ms	724 KiB

art

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

#define int long long
// #define endl '\n'
#define ff first
#define ss second
#define pb push_back
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
#define ar array

const int MOD = 1e9 + 7,INF = 1e18, N = 2e5 + 5;
/*
*/

int ans = 0;
vector <pair<int,int>> a;

void rec(int l,int r, int sum){
	int mn = a[l].ff, mx = a[r].ff;
	ans = max(ans, sum - (mx - mn));
	if(l != r){
		rec(l + 1,r , sum - a[l].ss);
		rec(l , r - 1 , sum - a[r].ss);
	}
}

void solve(){
	int n;
	cin >> n;
	a.resize(n);
	int sum = 0;
	
	for(int i = 0;i < n;i++){
		cin >> a[i].ff >> a[i].ss;
		sum += a[i].ss;
	}
	sort(all(a));
	rec(0 , n - 1, sum);
	cout<<ans<<endl;
}

signed main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int ti = 1;
    while (ti--) {
		solve();
    }
}

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