uva 10066 The Twin Towers

lcs，答案输出后有一个空行……
#include<stdio.h>
#include<string.h>
#include<math.h>
#include<algorithm>
#include<iostream>
using namespace std;

int main()
{
    int a[110],b[110],i,j,n1,n2,dp[110][110],cas=0;
    while(~scanf("%d%d",&n1,&n2)&&n1&&n2)
    {
        for(i=0;i<n1;i++) scanf("%d",&a[i]);
        for(i=0;i<n2;i++) scanf("%d",&b[i]);
        memset(dp,0,sizeof(dp));
        for(i=1;i<=n1;i++)
            for(j=1;j<=n2;j++)
        {
            if(a[i-1]==b[j-1]) dp[i][j]=dp[i-1][j-1]+1;
            else dp[i][j]=max(dp[i-1][j],dp[i][j-1]);
        }
        printf("Twin Towers #%d
",++cas);
        printf("Number of Tiles : %d

",dp[n1][n2]);
    }
    return 0;
}