Submission #392790

#	Time	Username	Problem	Language	Result	Execution time	Memory
392790		wildturtle	Art Exhibition (JOI18_art)	C++14	100 / 100	591 ms	17888 KiB

art

#include<bits/stdc++.h>
#define ll long long
#define f first
#define sc second
using namespace std;
ll a,b,c,d,i,e,f,g,n,m,k,l,maxx,maxx1;
pair <ll,ll> A[500005];
int main() {
    cin>>n;
    for(ll i=1;i<=n;i++) {
        cin>>A[i].f>>A[i].sc;
    }
    sort(A+1,A+1+n);
    for(ll i=1;i<=n;i++) {
        a+=A[i].sc;
        maxx1=max(maxx1,-(a-A[i].sc)+A[i].f);
        maxx=max(maxx,a-A[i].f+maxx1);
        //cout<<a<<" "<<maxx1<<" "<<maxx<<endl;
    }
    cout<<maxx;
}

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