Category: algorithms

Consider the time series of measurements m = and time points t1 = respectively and another sequence of time points t2 = . Write a function to, where possible, …

This is quite similar to the Two Sum puzzle. Given a collection of numbers, write a function that finds a pair that will sum to a given value. For …

Implement strStr(). Return the index of the first occurrence of needle in haystack, or -1 if needle is not part of haystack. Example 1: Input: haystack = “hello”, needle …

Given a non-empty string s and an abbreviation abbr, return whether the string matches with the given abbreviation. A string such as “word” contains only the following valid abbreviations: …

Given two positive integers x and y, an integer is powerful if it is equal to x^i + y^j for some integers i >= 0 and j >= 0. …