제출 #300138

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
300138		MasterTaster	Art Exhibition (JOI18_art)	C++14	100 / 100	198 ms	8312 KiB

art

#include <bits/stdc++.h>

#define pb push_back
#define ll long long
#define pii pair<int, int>
#define xx first
#define yy second

using namespace std;

int n;
pair<ll, ll> ex[500010];
ll ress;
///xx-size; yy-value

int main(){
    ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);

    cin>>n;
    for (int i=0; i<n; i++)
    {
        ll ss, vv; cin>>ss>>vv;
        ex[i].xx=ss; ex[i].yy=vv;
    }

    sort(ex, ex+n);

    ll pref=0;
    ll maxx=ex[0].xx;
    ress=ex[0].yy+maxx-ex[0].xx;
    for (int i=0; i<n; i++)
    {
        pref+=ex[i].yy;
        maxx=max(maxx, ex[i].xx-(pref-ex[i].yy));
        ll trRess=pref+maxx-ex[i].xx;

        ress=max(ress, trRess);
    }
    cout<<ress;
}

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