Category: brute force
Given a function f(x, y) and a value z, return all positive integer pairs x and y where f(x,y) == z. The function is constantly increasing, i.e.: f(x, y) …
We define a harmounious array as an array where the difference between its maximum value and its minimum value is exactly 1. Now, given an integer array, you need …
A sequence X_1, X_2, …, X_n is fibonacci-like if: n >= 3 X_i + X_{i+1} = X_{i+2} for all i + 2 <= n Given a strictly increasing array …
A Stepping Number is an integer such that all of its adjacent digits have an absolute difference of exactly 1. For example, 321 is a Stepping Number while 421 …
You are given two strings s and t of the same length. You want to change s to t. Changing the i-th character of s to i-th character of …