题解 | #dp# #单词拆分(一)#

#coding:utf-8
#
# 代码中的类名、方法名、参数名已经指定，请勿修改，直接返回方法规定的值即可
#
# 
# @param s string字符串 
# @param dic string字符串一维数组 
# @return bool布尔型
#
class Solution:
    def wordDiv(self , s , dic ):
        # write code here
        n = len(s)
        dp = [False for i in range(0, n + 1)]
        dp[0] = True
        for i in range(1, n + 1):
            for j in range(0, len(dic)):
                #
                cur_str = dic[j]
                if len(cur_str) <= i:
                    if cur_str == s[i - len(cur_str): i]:
                        dp[i] = dp[i - len(cur_str)]
        print ("dp: ", dp)
        return dp[n]