Shape Number Time Limit: 24000/12000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 1345    Accepted Submission(s): 647 Problem Description In computer vision, a chain code is a sequence of numbers representing dir…

题意 找到一个字符串中最先出现的最小(大)表示位置,和最小(大)表示串出现次数 分析 用最小(大)表示法求出最先出现的最小(大)表示位置,然后将串长扩两倍用exkmp找出现次数. Code #include<bits/stdc++.h> #define fi first #define se second #define lson l,mid,p<<1 #define rson mid+1,r,p<<1|1 #define pb push_back #define ll…

hdu3746 Cyclic Nacklace Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 2262    Accepted Submission(s): 1005 Problem Description CC always becomes very depressed at the end of this month, he ha…

HDU 1711 Number Sequence(数列) Time Limit: 10000/5000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) [Description] [题目描述] Given two sequences of numbers : a[1], a[2], ...... , a[N], and b[1], b[2], ...... , b[M] (1 <= M <= 10000, 1 <= N…

Bazinga Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 2287    Accepted Submission(s): 713 Problem Description Ladies and gentlemen, please sit up straight.Don't tilt your head. I'm serious.For…

HDU 6311 Cover (无向图最小路径覆盖) Time Limit: 6000/3000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 1967 Accepted Submission(s): 442 Special Judge Problem Description The Wall has down and the King in the north has to sen…

HDU 1005 Number Sequence(数列) Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) [Description] [题目描述] A number sequence is defined as follows: f(1) = 1, f(2) = 1, f(n) = (A * f(n - 1) + B * f(n - 2)) mod 7. Given A, B, an…

题目链接:http://poj.org/problem?id=2406 题意:确定字符串最多是多少个相同的字串重复连接而成的 思路:关键是找到字符串的最小循环节 code: #include <cstdio> #include <cstring> ; char s[MAXN]; int next[MAXN]; void GetNext() { int len = strlen(s); ; ; next[] = -; while (i < len) { == j || s[i]…

题目链接:HDU 1274 展开字符串 中文题. 左括号进入DFS函数,右括号return到上一层. 注意return回去的是这个一层递归中的括号中的字母串. AC代码: #include<stdio.h> #include<iostream> #include<string.h> #include<string> using namespace std; char str[300]; bool vis[300]; int len; string dfs(i…

Problem Description Give you a string with length N, you can generate N strings by left shifts. For example let consider the string “SKYLONG”, we can generate seven strings:String Rank SKYLONG 1KYLONGS 2YLONGSK 3LONGSKY 4ONGSKYL 5NGSKYLO 6GSKYLON 7an…