UVA 10635 Prince and Princess【LCS 问题转换为 LIS】
题目链接:
http://acm.hust.edu.cn/vjudge/problem/visitOriginUrl.action?id=19051
题意:
有两个长度分别为
分析:
注意题目说的每个序列的元素各不相等,那么就能保证我们可以把序列A的元素用
有关
代码:
/*************************************************************************
> File Name: 10635.cpp
> Author: jiangyuzhu
> Mail: 834138558@qq.com
> Created Time: Sat 18 Jun 2016 08:57:43 PM CST
************************************************************************/
#include<iostream>
#include<cstdio>
#include<cstring>
#include<cmath>
#include<queue>
#include<stack>
using namespace std;
#define sa(n) scanf("%d", &(n));
typedef pair<int, int>p;
const int maxn = 250 + 5, mod = 1e9 + 7, oo = 0x3f3f3f3f;
int a[maxn * maxn], b[maxn * maxn], nb[maxn * maxn];
int pos[maxn * maxn];
int dp[maxn * maxn];
int main (void)
{
int t;sa(t);
for(int kas = 1; kas <= t; kas++){
int n, p, q;sa(n);sa(p);sa(q);
memset(pos, 0, sizeof(pos));
for(int i = 0; i <= p; i++){
sa(a[i]);
pos[a[i]] = i;
}
memset(nb, 0, sizeof(nb));
for(int i = 0; i <= q; i++){
sa(b[i]);
nb[i] = pos[b[i]];
}
memset(dp, 0x3f, sizeof(dp));
for(int i = 0; i <= q; i++){
*lower_bound(dp, dp + q + 1, nb[i]) = nb[i];
}
int ans = lower_bound(dp, dp + q + 1, oo) - dp;
printf("Case %d: %d\n", kas, ans);
}
return 0;
}