Submission #1213377

#	Time	Username	Problem	Language	Result	Execution time	Memory
1213377		ttamx	Exam (eJOI20_exam)	C++20	13 / 100	15 ms	328 KiB

exam

#include<bits/stdc++.h>

using namespace std;

const int N=5005;

int n;
int a[N],b[N],dp[N];

int main(){
    cin.tie(nullptr)->sync_with_stdio(false);
    cin >> n;
    for(int i=1;i<=n;i++)cin >> a[i];
    for(int i=1;i<=n;i++){
        cin >> b[i];
        if(b[i]<a[i])b[i]=0;
    }
    for(int i=1;i<=n;i++){
        int mx=0;
        for(int j=1;j<=n;j++){
            mx=max(mx,dp[j]);
            if(b[i]==a[j])dp[j]=mx+1;
        }
    }
    cout << *max_element(dp+1,dp+n+1);
}

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