CF25E.Test
普及/提高-
通过率:0%
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题目描述
Sometimes it is hard to prepare tests for programming problems. Now Bob is preparing tests to new problem about strings — input data to his problem is one string. Bob has 3 wrong solutions to this problem. The first gives the wrong answer if the input data contains the substring s1 , the second enters an infinite loop if the input data contains the substring s2 , and the third requires too much memory if the input data contains the substring s3 . Bob wants these solutions to fail single test. What is the minimal length of test, which couldn't be passed by all three Bob's solutions?
输入格式
There are exactly 3 lines in the input data. The i -th line contains string si . All the strings are non-empty, consists of lowercase Latin letters, the length of each string doesn't exceed 105 .
输出格式
Output one number — what is minimal length of the string, containing s1 , s2 and s3 as substrings.
输入输出样例
输入#1
ab bc cd
输出#1
4
输入#2
abacaba abaaba x
输出#2
11