Implement strstr() using java

Question Implement strstr(). Returns the index of the first occurrence of needle in haystack, or –1 if needle is not part of haystack. Solution: O(nm) runtime, O(1) space – Brute force: There are known efficient algorithms such as Rabin-Karp algorithm, KMP algorithm, orthe Boyer-Moore algorithm. Since these algorithms are usually studied in an advancedalgorithms class, … Read more

Date ADT in Python

A date represents a single day in the proleptic Gregorian calendar in which thefirst day starts on November 24, 4713 BC. Date( month, day, year ): Creates a new Date instance initialized to the given Gregorian date which must be valid. Year 1 BC and earlier are indicated by negative year components. day(): Returns the … Read more