Submission #996183

#	Time	Username	Problem	Language	Result	Execution time	Memory
996183		imarn	Art Exhibition (JOI18_art)	C++14	0 / 100	0 ms	348 KiB

art

#include<bits/stdc++.h>
#define ll long long
#define pll pair<ll,ll>
#define plx pair<ll,int>
#define f first
#define s second
#define pb push_back
#define all(x) x.begin(),x.end()
using namespace std;
int main(){
    ios_base::sync_with_stdio(0);cin.tie(0);
    int n;cin>>n;
    ll ans=LLONG_MIN;pll x[2*n+1];x[0]={0,0};
    for(int i=1;i<=n;i++)cin>>x[i].f>>x[i].s;
    sort(x+1,x+n+1);for(int i=1;i<=n;i++)x[i].s=x[i-1].s+x[i].s;
    ll mx=x[n].s-x[n].f;
    for(int l=n;l>=1;l--){
        ans=max(ans,mx-x[l-1].s+x[l].f);
        mx=max(mx,x[l].s-x[l].f);
    }cout<<ans;
}

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