Submission #873309

#	Time	Username	Problem	Language	Result	Execution time	Memory
873309		Andreibatman	Art Exhibition (JOI18_art)	C++14	100 / 100	144 ms	24916 KiB

art

#include <bits/stdc++.h>
using namespace std;
struct ceva
{
    long long sz,val;
}v[500010];
bool cmp(ceva a,ceva b)
{
    return a.sz<b.sz;
}
long long n,i,sum,maxi,j,p[500010],pre=LLONG_MAX;
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    cin>>n;
    for(i=1;i<=n;i++)
        cin>>v[i].sz>>v[i].val;
    sort(v+1,v+n+1,cmp);
    for(i=1;i<=n;i++)
    {
        p[i]=p[i-1]+v[i].val;
        pre = min(pre, p[i-1]-v[i].sz);
        maxi=max(maxi,p[i]-v[i].sz-pre);
    }
    cout<<maxi;
    return 0;
}

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