Submission #1127223

#	Time	Username	Problem	Language	Result	Execution time	Memory
1127223		tsengang	Art Exhibition (JOI18_art)	C++20	100 / 100	155 ms	8260 KiB

art

#include <bits/stdc++.h>
#define ll long long 
#define ff first
#define ss second 
#define pb push_back
#define all(x) x.begin(),x.end()
#define vodka void
#define ertunt return
using namespace std;
int main(){
    ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    ll n;
    cin >> n;
    pair<ll,ll> a[n];
    for(ll i = 0; i < n; i++)cin >> a[i].ff >> a[i].ss;
    sort(a,a+n);
    ll cur = 0,ans = 0;
    for(ll i = 0; i < n; i++){
        cur+=a[i].ss;
        cur = max(cur,a[i].ff+a[i].ss);
        ans = max(ans,cur-a[i].ff);
    }
    cout << ans;
}

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