Submission #706720

#	Time	Username	Problem	Language	Result	Execution time	Memory
706720		esomer	Art Exhibition (JOI18_art)	C++17	0 / 100	1 ms	212 KiB

art

#include<bits/stdc++.h>
 
using namespace std;
 
typedef long long int ll;
 
const int MOD = 1e9 + 7;

void solve(){
	int n; cin >> n;
	vector<pair<ll, ll>> v(n);
	for(int i = 0; i < n; i++){
		ll a, b; cin >> a >> b; v[i] = {a, b};
	}
	sort(v.begin(), v.end());
	ll sum = 0;
	ll mx = 0;
	ll ans = 0;
	for(int i = 0; i < n; i++){
		if(i == 0){
			mx = max(mx, v[i].first);
			ans = max(ans, v[i].second);
			sum += v[i].second;
			continue;
		}
		ans = max(ans, sum + v[i].second + mx - v[i].first);
		mx = max(mx, -sum + v[i].first);
		sum += v[i].second;
	}
	cout << ans << endl;
}

signed main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);

    //~ int tt; cin >> tt;
    int tt = 1;
    for(int t = 1; t <= tt; t++){
        solve();
    }
}

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