uva 10066 The Twin Towers

#include <iostream>
#include <cstdio>
#include <cstring>
using namespace std;
const int N=105;
int main()
{
int n,m,t_cnt=0,a
,b
,map

;
while(scanf("%d%d",&n,&m)!=EOF)
{
if(n==0&&m==0) break;
memset(map,0,sizeof(map));
for(int i=0;i<n;i++) scanf("%d",&a[i]);
for(int i=0;i<m;i++) scanf("%d",&b[i]);
for(int i=0;i<n;i++)
{
for(int j=0;j<m;j++)
{
if(a[i]==b[j]) map[i+1][j+1]=max(map[i+1][j+1],map[i][j]+1);
else map[i+1][j+1]=max(map[i][j+1],map[i+1][j]);
}
}
printf("Twin Towers #%d\nNumber of Tiles : %d\n\n",++t_cnt,map
[m]);
}
}