出处:http://www.cnblogs.com/wuyiqi/archive/2012/01/06/2314078.html kmp next函数 kmp的周期问题,深入了解kmp中next的原理 ----------------------- ----------------------- k m x j i 由上,next[i]=j,两段红色的字符串相等(两个字符串完全相等),s[k....j]==s[m....i] 设s[x...j]=s[j.…
Period Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 4485 Accepted Submission(s): 2163 Problem Description For each prefix of a given string S with N characters (each character has an ASCII…
Description Given two strings a and b we define a*b to be their concatenation. For example, if a = "abc" and b = "def" then a*b = "abcdef". If we think of concatenation as multiplication, exponentiation by a non-negative inte…
HDU 1711 Number Sequence(模板题) #include <cstdio> ; ; int N, M; int textS[MAXN]; int tarS[MAXL]; int next[MAXL]; void GetNextVal( int* s, int* nextval, int len ) { , j = -; nextval[] = -; while ( i < len ) { || s[i] == s[j] ) { ++i, ++j; nextval[i]…
Description Given two sequences of numbers : a[1], a[2], ...... , a[N], and b[1], b[2], ...... , b[M] (1 <= M <= 10000, 1 <= N <= 1000000). Your task is to find a number K which make a[K] = b[1], a[K + 1] = b[2], ...... , a[K + M - 1] = b[M].…