Submission #1326721

#	Time	Username	Problem	Language	Result	Execution time	Memory
1326721		saleh_musudlu	Art Exhibition (JOI18_art)	C++20	100 / 100	207 ms	15956 KiB

art

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

const long long MAX = 5e5 + 5;

pair<long long, long long> a[MAX];
long long pref[MAX], dp[MAX];

void solve()
{
    long long n;
    cin >> n;

    for (long long i = 1; i <= n; i++)
        cin >> a[i].first, cin >> a[i].second;

    sort(a + 1, a + n + 1);

    for (long long i = 1; i <= n; i++)
        pref[i] = pref[i - 1] + a[i].second;

    for (long long i = 1; i <= n; i++)
    {
        dp[i] = max(a[i].second, dp[i - 1] + a[i].second - (a[i].first - a[i - 1].first));
    }

    long long mx = -1;
    for (long long i = 1; i <= n; i++)
        mx = max(dp[i], mx);

    cout << mx;
}

int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);

    long long tt = 1;
    // cin >> tt;
    while (tt--)
        solve();
    
    return 0;
}

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