Submission #1126987

#	Time	Username	Problem	Language	Result	Execution time	Memory
1126987		tsengang	Art Exhibition (JOI18_art)	C++20	50 / 100	1096 ms	12068 KiB

art

#include <bits/stdc++.h>
#define ll long long
#define ff first
#define ss second
#define all(x) x.begin(), x.end()
#define pb push_back
#define ertunt return
#define vodka void
using namespace std;
int main(){
    ll n;
    cin >> n;
    pair<ll,ll> a[n+4];
    for(ll i = 1; i <= n; i++)cin >> a[i].ff >> a[i].ss;
    sort(a+1,a+n+1);
    ll b[n+4] = {0};
    for(ll i = 1; i <= n; i++){
        b[i] = b[i-1]+a[i].ss;
    }
    ll ans = 0;
    for(ll i = 1; i <= n; i++){
        for(ll j = i; j <= n; j++){
            ans=max(ans,b[j] - b[i-1] - a[j].ff + a[i].ff);
        }
    }
    cout << ans ;
}

• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 0 / 50