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Language: Substrings
Description You are given a number of case-sensitive strings of alphabetic characters, find the largest string X, such that either X, or its inverse can be found as a substring of any of the given strings. Input The first line of the input contains a single integer t (1 <= t <= 10), the number of test cases, followed by the input data for each test case. The first line of each test case contains a single integer n (1 <= n <= 100), the number of given strings, followed by n lines, each representing one string of minimum length 1 and maximum length 100. There is no extra white space before and after a string. Output There should be one line per test case containing the length of the largest string found. Sample Input 2 3 ABCD BCDFF BRCD 2 rose orchid Sample Output 2 2 Source |

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