UVA - 10066 The Twin Towers

最长公共子序列

#include<iostream>
#include<map>
#include<string>
#include<cstring>
#include<cstdio>
#include<cstdlib>
#include<cmath>
#include<queue>
#include<vector>
#include<algorithm>
using namespace std;
int a[110];
int b[110];
int dp[110][110];
int dfs(int i,int j)
{if(i<0||j<0)return 0;if(dp[i][j]!=-1)return dp[i][j];if(a[i]==b[j])dp[i][j]=dfs(i-1,j-1)+1;elsedp[i][j]=max(dfs(i-1,j),dfs(i,j-1));return dp[i][j];
}
int main()
{int cs=0,n,m,i,j;while(cin>>n>>m){if(n==0||m==0)break;for(i=0;i<n;i++)cin>>a[i];for(i=0;i<m;i++)cin>>b[i];memset(dp,-1,sizeof(dp));dfs(n-1,m-1);printf("Twin Towers #%d\nNumber of Tiles : %d\n\n",++cs,dp[n-1][m-1]);}return 0;
}

#include<iostream>
#include<map>
#include<string>
#include<cstring>
#include<cstdio>
#include<cstdlib>
#include<cmath>
#include<queue>
#include<vector>
#include<algorithm>
using namespace std;
int a[110];
int b[110];
int dp[110][110];
int main()
{int cs=0,n,m,i,j;while(cin>>n>>m){if(n==0||m==0)break;for(i=0;i<n;i++)cin>>a[i];for(i=0;i<m;i++)cin>>b[i];memset(dp,0,sizeof(dp));for(i=1;i<=n;i++)for(j=1;j<=m;j++)if(a[i-1]==b[j-1])dp[i][j]=dp[i-1][j-1]+1;elsedp[i][j]=max(dp[i-1][j],dp[i][j-1]);printf("Twin Towers #%d\nNumber of Tiles : %d\n\n",++cs,dp[n][m]);}return 0;
}

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