Submission #1129293

#	Time	Username	Problem	Language	Result	Execution time	Memory
1129293		cutimeo	Exam (eJOI20_exam)	C++20	0 / 100	1089 ms	42000 KiB

exam

#include<bits/stdc++.h>
using namespace std;
int n;
int a[5005], b[5005];
int sus[5005][5005];
int f[5005];
namespace sub1{
    void solve(){

        for (int i = 1; i <= n; i++){
            int mx = 0;
            map<int, int> hihi;
            for (int j = i; j <= n; j ++){
                mx = max(mx, a[j]);
                hihi[b[j]] ++;
                sus[i][j] = hihi[mx];
            }
        }
        for (int i = 1; i <= n; i ++){
            for (int j = 1; j <= i; j ++){
                f[i] = max(f[i], f[j - 1] + sus[j][i]);
            }
        }
        cout << f[n] << endl;
    }
};
namespace sub2{

};
namespace sub4{

};

int main(){
    cin >> n;
    for (int i = 1; i <= n; i ++){
        cin >> a[i];
    }
    for (int i = 1; i <= n; i ++){
        cin >> b[i];
    }
    sub1::solve();

}

• Subtask 1: 0 / 14
• Subtask 2: 0 / 12
• Subtask 3: 0 / 13
• Subtask 4: 0 / 23
• Subtask 5: 0 / 16
• Subtask 6: 0 / 22