Submission #1204934

#	Time	Username	Problem	Language	Result	Execution time	Memory
1204934		minhpk	Art Exhibition (JOI18_art)	C++20	100 / 100	104 ms	8276 KiB

art

#include <bits/stdc++.h>
#define int long long
using namespace std;
int a;
pair<int,int> z[1000005];

int f[4000005];
int max1=0;
int curmax=0;


signed main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cin >> a;
    for (int i=1;i<=a;i++){
        cin >> z[i].first >> z[i].second ;
    }
    sort(z+1,z+1+a);
    for (int i=1;i<=a;i++){
         int p=curmax;
         int preval=p+z[i].second-z[i].first;
         preval=max(preval,z[i].second);
         max1=max(max1,preval);
         curmax=max(curmax+z[i].second,z[i].second+z[i].first);
    }
    cout << max1 << "\n";

    return 0;
}

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