题解 | #字符串通配符#
字符串通配符
https://www.nowcoder.com/practice/43072d50a6eb44d2a6c816a283b02036
while True: try: s1 = input() s2 = input() m = len(s1) n = len(s2) dp = [[False for j in range(n+1)] for i in range(m+1)] dp [0][0] = True # 第0行,空字符无法匹配非空字符,所以第一行为False for j in range(1,n+1): dp[0][j] = False # 第0列,当匹配模式为*或者?时,匹配成功,其余跳出循环 for i in range(1,m+1): if s1[i-1] == '*' or s1[i-1] == '?': dp[i][0] = True else: break for i in range(1,m+1): for j in range(1,n+1): if s1[i-1].lower() == s2[j-1].lower(): dp[i][j] = dp[i-1][j-1] elif s1[i-1] == '?' and s2[j-1].isalnum(): dp[i][j] = dp[i-1][j-1] elif s1[i-1] == '*': dp[i][j] = dp[i-1][j] or dp[i][j-1] if dp[m][n]: print('true') else: print('false') except: break