Submission #822149

#	Time	Username	Problem	Language	Result	Execution time	Memory
822149		vjudge1	Art Exhibition (JOI18_art)	C++17	100 / 100	170 ms	24700 KiB

art

#include <bits/stdc++.h>
#define ll long long
#define sp << " "
#define faster ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
using namespace std;
ll n, mi=1e18, c[500005], kq=-1e18;
pair<ll,ll> a[500005];
int main(){
    faster;
    cin >> n;
    for(ll i = 1; i <= n; i++){
    	cin >> a[i].first >> a[i].second;
    }
    sort(a+1,a+n+1,greater<pair<ll,ll>>());
    for(ll i = 1; i <= n; i++) c[i]=c[i-1]+a[i].second;
    for(ll i = 1; i <= n; i++){
    	mi=min(mi,c[i-1]+a[i].first);
    	kq=max(kq,c[i]+a[i].first-mi);
    }
    cout << kq;
    return 0;
}

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