百度笔试 病毒字符串 题解
import re s = raw_input() length = len(s) index = [m.start() for m in re.finditer('virus', s)] result, pre = 0, 0 for v in index: result += ((v - pre) + 1) * ((length - v - 5) + 1) pre = v + 1 print(result)
#笔试题目##百度#
import re s = raw_input() length = len(s) index = [m.start() for m in re.finditer('virus', s)] result, pre = 0, 0 for v in index: result += ((v - pre) + 1) * ((length - v - 5) + 1) pre = v + 1 print(result)
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