AAAuc03 @ 2024-11-09 18:40:17
#include<bits/stdc++.h>
using namespace std;
long long n,dp[100005][100005],a[100005],b[100005];
int main()
{
ios::sync_with_stdio(false);
cin.tie(0);cout.tie(0);
cin>>n;
for(long long i=1;i<=n;i++)cin>>a[i];
for(long long i=1;i<=n;i++)cin>>b[i];
for(long long i=1;i<=n;i++)
{
for(long long j=1;j<=n;j++)
{
if(a[i]==b[j])
{
dp[i][j]=dp[i-1][j-1]+1;
}
else
{
dp[i][j]=max(dp[i-1][j],dp[i][j-1]);
}
}
}
cout<<dp[n][n];
return 0;
}
by queenbee @ 2024-11-09 18:47:33
dp数组炸了