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#include<cstdio>
#include<cstring>
#include<string>
#include<cmath>
#include<iostream>
#include<cctype>
#include<map>
#include<stack>
#include<cstdlib>
#include <queue>
#include <vector>
#include<algorithm>
#define ll long long
#define sc scanf
#define pf printf
#define Pi 2*acos(0.0)
using namespace std;
int i,j,n,m,lcs[2000][2000];
int main()
{
int a[110],b[110],no=0;
while(sc("%d",&n)==1)
{
sc("%d",&m);
if(n==0&&m==0)
break;
for(i=0;i<n;i++)
sc("%d",&a[i]);
for(i=0;i<m;i++)
sc("%d",&b[i]);
for(i=1;i<=n;i++)
for(j=1;j<=m;j++)
{
if(a[i-1]==b[j-1])
lcs[i][j]=lcs[i-1][j-1]+1;
else
lcs[i][j]=max(lcs[i-1][j],lcs[i][j-1]);
}
pf("Twin Towers #%d\nNumber of Tiles : %d\n\n",++no,lcs[n][m]);
}
return 0;
}
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