Submission #1049813

#	Time	Username	Problem	Language	Result	Execution time	Memory
1049813		vjudge1	Art Exhibition (JOI18_art)	C++17	100 / 100	323 ms	20048 KiB

art

#include <bits/stdc++.h>
using namespace std;
#define int long long
signed main()
{
    int n;
    cin >> n;
    pair<int,int> a[n*2];
    for (int i = 1; i <= n; ++i) {
        cin >> a[i].first >> a[i].second;
    }
    sort(a+1,a + n + 1);
    vector<int> dp(n + 1);
    int ans = 0;
    for (int i = 1; i <= n; ++i) {
        dp[i] = max(dp[i - 1] + a[i].second, a[i].first + a[i].second);
        ans = max(ans, dp[i] - a[i].first);
    }
    cout << ans;
}

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