Submission #554762

#	Time	Username	Problem	Language	Result	Execution time	Memory
554762		Rafi22	Art Exhibition (JOI18_art)	C++14	100 / 100	179 ms	20688 KiB

art

#include <bits/stdc++.h>

using namespace std;

#define endl '\n'
#define st first
#define nd second
#define pb push_back
#define sz(x) (int)(x).size()
#define all(x) (x).begin(), (x).end()
#define ll long long
ll mod=1000000007;
int inf=1000000007;
ll infl=1000000000000000007;

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int n;
    cin>>n;
    vector<pair<ll,ll>>V(n);
    for(int i=0;i<n;i++) cin>>V[i].st>>V[i].nd;
    sort(all(V));
    ll ans=-infl,opt=V[0].st,p=0;
    for(int i=0;i<n;i++)
    {
        p+=V[i].nd;
        ans=max(ans,p-V[i].st+opt);
        if(i!=n-1) opt=max(opt,-p+V[i+1].st);
    }
    cout<<ans;


    return 0;
}

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