uva_10192 Vacation

又是lcs...
#include <cstdio>
#include <cstring>
#include <algorithm>
using namespace std;

#define MAXN    100+10

int first[MAXN], second[MAXN], dp[MAXN][MAXN];

int dynamic_programming(const int &len_first, const int &len_second)
{
        memset(dp, 0, sizeof(dp));
        for(int i = 1; i <= len_first; i ++) {
                for(int j = 1; j <= len_second; j ++) {
                        if( first[i] == second[j] ) {
                                dp[i][j] = dp[i-1][j-1]+1; continue;
                        }
                        dp[i][j] = max(dp[i][j-1], dp[i-1][j]);
                }
        }
        return dp[len_first][len_second];
}

int main(int argc, char const *argv[])
{
#ifndef ONLINE_JUDGE
        freopen("test.in", "r", stdin);
#endif
        int len_first, len_second, cas(1);
        while( scanf("%d %d", &len_first, &len_second) ) {
                if( !len_first && !len_second ) {
                        break;
                }
                for(int i = 1; i <= len_first; i ++) {
                        scanf("%d", &first[i]);
                }
                for(int i = 1; i <= len_second; i ++) {
                        scanf("%d", &second[i]);
                }
                printf("Twin Towers #%d\n", cas ++);
                printf("Number of Tiles : %d\n\n", dynamic_programming(len_first, len_second));
        }
        return 0;
}