uva 10192 Vacation

lcs,用gets读入

#include<stdio.h>
#include<string.h>
#include<math.h>
#include<algorithm>
#include<iostream>
using namespace std;

int main()
{
    int i,j,n1,n2,dp[110][110],cas=0;
    char a[110],b[110];
    while(gets(a)&&a[0]!='#')
    {
        gets(b);
        n1=strlen(a);
        n2=strlen(b);
        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("Case #%d: you can visit at most %d cities.\n",++cas,dp[n1][n2]);
    }
    return 0;
}

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