Submission #557133

#	Time	Username	Problem	Language	Result	Execution time	Memory
557133		aymanrs	Art Exhibition (JOI18_art)	C++14	100 / 100	200 ms	28548 KiB

art

#include <bits/stdc++.h>
using namespace std;
void solve(){
    int n;
    cin >> n;
    pair<long long, long long> a[n];
    long long p[n+1] = {0};
    for(int i = 0;i < n;i++){
        cin >> a[i].first >> a[i].second;
    }
    sort(a, a+n);
    for(int i = 0;i < n;i++) p[i+1] = p[i] + a[i].second;
    long long m[n];
    for(int i = 0;i < n;i++) {
        m[i] = i ? min(m[i-1], p[i] - a[i].first) : p[i] - a[i].first;
    }
    long long ans = 0;
    for(int i = 0;i < n;i++) 
        ans = max(ans, p[i+1] - a[i].first - m[i]);
    cout << ans << '\n';
}
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int t = 1;
    //cin >> t;
    while(t--) solve();
}

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