Submission #1176536

#	Time	Username	Problem	Language	Result	Execution time	Memory
1176536		Hamed_Ghaffari	Art Exhibition (JOI18_art)	C++20	100 / 100	108 ms	8336 KiB

art

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

using ll = long long;
using pll = pair<ll, ll>;

const int MXN = 5e5+5;

int n;
pll a[MXN];

int32_t main() {
    cin.tie(0); cout.tie(0); ios_base::sync_with_stdio(0);
    cin >> n;
    for(int i=1; i<=n; i++) cin >> a[i].first >> a[i].second;
    sort(a+1, a+n+1);
    ll ans = 0, sum=0, mx=-1e18;
    for(int i=1; i<=n; i++) {
        mx = max(mx, -sum+a[i].first);
        sum += a[i].second;
        ans = max(ans, mx+sum-a[i].first);
    } 
    cout << ans << '\n';
    return 0;
}

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