제출 #966863

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
966863		vjudge1	Art Exhibition (JOI18_art)	C++11	0 / 100	1 ms	2648 KiB

art

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pll pair<ll,ll>
#define fi first
#define se second

ll N;
pll arr[500100];
ll psum[500100];
ll ans=0, maks=0;


int main() 
{
    cin >> N;
    for(int i=1; i<=N; i++) {
        cin >> arr[i].fi >> arr[i].se;
    }
    sort(arr+1, arr+N+1);
    for(int i=1; i<=N; i++) {
        psum[i] = psum[i-1] + arr[i].se;
    }
    for(int i=N; i>=1; i--) {
        maks = max(maks, psum[i]-arr[i].fi);
        ans = max(ans, maks + arr[i].fi-psum[i-1]);
    }
    cout << ans << endl;
}

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