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uva 10066

看起來像是LCS問題

[sourcecode language="cpp"]

//============================================================================
// Name : The Twin Towers2.cpp
// Date : 2013 2013/1/28 上午10:41:53
// Author : GCA
//============================================================================
#include <iostream>
#include <cstdio>
#include <cstring>
#include <algorithm>
#include <cmath>
#include <climits>
#include <vector>
#include <set>
#include <map>
#include <queue>
#include <cctype>
#include <utility>
using namespace std;
typedef long long ll;
typedef unsigned int uint;
#define Set(a,s) memset(a,s,sizeof(a))
#define Write(w) freopen(w,"w",stdout)
#define Read(r) freopen(r,"r",stdin)
#define Pln() printf("\n")
#define I_de(x,n)for(int i=0;i<n;i++)printf("%d ",x[i]);Pln()
#define De(x)printf(#x"%d\n",x)
#define For(i,x)for(int i=0;i<x;i++)
#define CON(x,y) x##y
#define Pmz(dp,nx,ny)for(int hty=0;hty<ny;hty++){for(int htx=0;htx<nx;htx++){\
printf("%d ",dp[htx][hty]);}Pln();}
#define M 105
#define PII pair<int,int>
#define PB push_back
#define oo INT_MAX
#define Set_oo 0x3f
#define Is_debug true
#define debug(...) if(Is_debug)printf("DEBUG: "),printf(__VA_ARGS__)
#define FOR(it,c) for(__typeof((c).begin()) it=(c).begin();it!=(c).end();it++)
using namespace std;
int min3(int x,int y,int z){
int tmp=min(x,y);
return min(tmp,z);
}
int max3(int x,int y,int z){
int tmp=max(x,y);
return max(tmp,z);
}
int num1,num2;
int n1[M],n2[M];
int dp[M][M];
int main() {
ios_base::sync_with_stdio(0);
int ff=0;
while(~scanf("%d%d",&num1,&num2)&&num1+num2){
Set(n1,0);
Set(n2,0);
Set(dp,0);
n1[0]=n2[0]=0;
for(int i=1;i<=num1;i++)scanf("%d",&n1[i]);
for(int i=1;i<=num2;i++)scanf("%d",&n2[i]);
for(int i=1;i<=num1;i++){
for(int j=1;j<=num2;j++){
if(n1[i]==n2[j])
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\nNumber of Tiles : %d\n\n",++ff,dp[num1][num2]);
}

}

[/sourcecode]