Submission #1284119

#	Time	Username	Problem	Language	Result	Execution time	Memory
1284119		hoangnoobpro	Art Exhibition (JOI18_art)	C++20	10 / 100	1 ms	576 KiB

art

#include<bits/stdc++.h>
using namespace std;
#define mod 1000000007
#define nmax 1000007
#define fi first
#define se second
#define ll long long
ll t=1,n,m,i,j,d=0,x=0,k=0,y,z,f[nmax],b[nmax],h[nmax],h1[nmax];
pair<ll,ll>a[nmax];
int main()
{
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    cin>>n;
    for(i=1;i<=n;++i)
    {
        cin>>a[i].fi>>a[i].se;
    }
    sort(a+1,a+n+1);
    for(i=1;i<=n;++i)
    {
        f[i]=f[i-1]+a[i].se;
    }
    j=1;
    d=0;
    for(i=1;i<n;++i)
    {
        b[i]=a[i+1].fi-a[i].fi-a[i].se;
        h[i]=max(0LL,h[i-1]+b[i]);
        h1[i]=max(h1[i-1],h[i]);
    }
    for(i=1;i<=n;++i)
    {
        d=max(d,f[i]-a[i].fi+a[1].fi+h1[i-1]);
    }
    cout<<d;
}

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