Submission #989074

#	Time	Username	Problem	Language	Result	Execution time	Memory
989074		Tsotne2019	Art Exhibition (JOI18_art)	C++17	100 / 100	163 ms	24820 KiB

art

#include <bits/stdc++.h>
#define ll long long
using namespace std;
ll n, dp[500001];
pair <ll, ll> p[500001];

int main() {
    
    ios::sync_with_stdio(0);
    cin.tie(0);
    
    cin >> n;
    
    for(int i = 0; i < n; i++) {
        cin >> p[i].first >> p[i].second;
    }
    
    sort(p, p+n);
    
    dp[0] = p[0].second;
    
    for(int i = 1; i < n; i++) {
        dp[i] = max(p[i].second, dp[i-1] + p[i].second - p[i].first + p[i-1].first);
    }
    
    sort(dp, dp+n);
    
    cout << dp[n-1];
}

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