Submission #837611

#	Time	Username	Problem	Language	Result	Execution time	Memory
837611		Koyote	Art Exhibition (JOI18_art)	C++11	100 / 100	147 ms	24712 KiB

art

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

typedef long long ll;

const int maxN = 5e5 + 2;
int n;
pair<ll, int> arr[maxN];
ll pfx[maxN], pre_min = numeric_limits<ll>::max(), ans;

int main() {
    cin.tie(nullptr)->sync_with_stdio(false);
    cin >> n;
    for (int i = 0; i < n; i++)
        cin >> arr[i].first >> arr[i].second;
    sort(arr, arr + n);
    for (int i = 0; i < n; i++) {
        pfx[i + 1] = pfx[i] + arr[i].second;
        pre_min = min(pre_min, pfx[i] - arr[i].first);
        ans = max(ans, pfx[i + 1] - arr[i].first - pre_min);
    }
    cout << ans << '\n';
}

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