Submission #700671

#	Time	Username	Problem	Language	Result	Execution time	Memory
700671		Hossam_	Art Exhibition (JOI18_art)	C++17	50 / 100	206 ms	32268 KiB

art

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define IO ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define endl '\n'
const int N = 2e5 + 5;
const int MOD = 1e9 + 7;
int n;
int dp[N]={};
vector<pair<int,int>> v;
int32_t main()
{
    IO
    
    cin>>n;
    for(int i=0;i<n;i++){
        int a,b;cin>>a>>b;v.push_back({a,b});
    }
    sort(v.begin(),v.end());
    dp[0]=v[0].second;
    for(int i=1;i<n;i++){
    dp[i]=max(v[i].second,dp[i-1] + v[i-1].first-v[i].first + v[i].second);
    }
    int ans=0;
    for(int i=0;i<n;i++){
        ans=max(ans,dp[i]);
    }   
    cout<<ans<<endl;
}


  


/*
3
a b

3 + 2 - 4 + 5

2 3
4 5
11 2


0 1 2 3 4 5 6 7 8 9 10 11
    3   5               2

*/    

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