Given a string S and a string T, find the minimum window in S which will contain all the characters in T in complexity O(n). If there is no such window in S that covers all characters in T, return the ...
// Given two strings s1 and s2, find if s1 is a substring of s2. If yes, return the index of the first occurrence, else return -1.
When formulating assertions, JUnit quickly reaches its limits. The AssertJ and Google Truth libraries offer new possibilities ...