Submission #1288605

#	Time	Username	Problem	Language	Result	Execution time	Memory
1288605		hynmj	Art Exhibition (JOI18_art)	C++20	100 / 100	139 ms	8268 KiB

art

#include <bits/stdc++.h>
#define int long long
using namespace std;
const long long N = 2e5 + 5;
int a[N];
int dp[N];

void solve()
{
    int n, ans;
    cin >> n;
    vector<pair<int, int>> a(n);
    for (int i = 0; i < n; i++)
    {
        cin >> a[i].first >> a[i].second;
    }
    sort(a.begin(), a.end(), [&](pair<int, int> a, pair<int, int> b)
         { return a.first < b.first; });
    int sum = a[0].second;
    ans = sum;
    for (int i = 1; i < n; i++)
    {
        sum = sum - (a[i].first - a[i - 1].first);
        if (sum < 0)
            sum = 0;
        sum += a[i].second;
        ans = max(ans, sum);
    }
    cout << ans << endl;
}

signed main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(NULL);
    cout.tie(NULL);
    int t = 1;
    // cin >> t;
    for (int i = 1; i <= t; i++)
    {
        // cout << "Case #" << i << ':' << ' ';
        solve();
        cout << endl;
    }
    return 0;
}

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