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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