Submission #887713

#	Time	Username	Problem	Language	Result	Execution time	Memory
887713		Maite_Morale	Art Exhibition (JOI18_art)	C++14	100 / 100	130 ms	21204 KiB

art

#include<bits/stdc++.h>
#define F first
#define S second
#define MAX 500005
#define oo 1e18
#define mod 1000000007
#define fast_in ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);cout.setf(ios::fixed);cout.precision(0);
using namespace std;
typedef long long ll;
#define pll pair<ll , ll>
#define vll vector<ll>
#define vvll vector<vll>
#define vpll vector<pll>
 
ll m,n;
pll a[MAX];
int main(){
    fast_in
    cin>>n;
    for(int i=0;i<n;i++){
        cin>>a[i].F>>a[i].S;
    }sort(a,a+n);
    ll m=0,s=0,r=0;
    for(int i=0;i<n;i++){
        m=max(m,a[i].F-s);
        s+=a[i].S;
        r=max(r,s-a[i].F+m);
    }
    cout<<r;
return 0;
}

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