两道都是LCS。。裸 水过
10192:
#include <algorithm>
#include <iostream>
#include <cstring>
#include <cstdlib>
#include <string>
#include <cctype>
#include <vector>
#include <cstdio>
#include <cmath>
#include <queue>
#include <stack>
#include <map>
#include <set>
#define maxn 1005
#define _ll __int64
#define ll long long
#define INF 0x3f3f3f3f
#define Mod 1<<40+10
#define pp pair<int,int>
#define ull unsigned long long
using namespace std;
short dp[200][200];
char s[200],t[200];
int cas=1;
void solve()
{
memset(dp,0,sizeof(dp));
int lens=strlen(s),lent=strlen(t);
for(int i=1;i<=lens;i++)
for(int j=1;j<=lent;j++)
if(s[i-1]==t[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[lens][lent]);
}
int main()
{
while(gets(s)&&s[0]!='#')
{
gets(t);
solve();
}
return 0;
}#include <algorithm>
#include <iostream>
#include <cstring>
#include <cstdlib>
#include <string>
#include <cctype>
#include <vector>
#include <cstdio>
#include <cmath>
#include <queue>
#include <stack>
#include <map>
#include <set>
#define maxn 1005
#define _ll __int64
#define ll long long
#define INF 0x3f3f3f3f
#define Mod 1<<40+10
#define pp pair<int,int>
#define ull unsigned long long
using namespace std;
short dp[102][102];
int s[102],t[102];
int cas=1,lens,lent;
void solve()
{
memset(dp,0,sizeof(dp));
for(int i=1;i<=lens;i++)
for(int j=1;j<=lent;j++)
if(s[i]==t[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",cas++,dp[lens][lent]);
puts("");
}
int main()
{
while(scanf("%d%d",&lens,&lent))
{
if(!lens&&!lent)break;
for(int i=1;i<=lens;i++)
scanf("%d",s+i);
for(int i=1;i<=lent;i++)
scanf("%d",t+i);
solve();
}
return 0;
}原文:http://blog.csdn.net/qq_16255321/article/details/41752927