Submission #764713

#	Time	Username	Problem	Language	Result	Execution time	Memory
764713		vjudge1	Exam (eJOI20_exam)	C++17	13 / 100	91 ms	134300 KiB

exam

#include <bits/stdc++.h>
const int ary=5001;
using namespace std;
int n,a[ary],b[ary],dp[ary][ary],d[ary][ary];
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>a[i];
    }
    for(int i=1;i<=n;i++){
        cin>>b[i];
    }
    for(int i=1;i<=n;i++){
        for(int R=i;R<=n;R++){
            dp[i][R]=d[i-1][R]+(b[i]==a[R]);
            d[i][R]=max(d[i][R-1],dp[i][R]);
        }
    }
    cout<<dp[n][n];
}

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