Tag: combination algorithm
Given two integers n and k, return all possible combinations of k numbers out of 1 … n. Example: Input: n = 4, k = 2 Output: , , …
The combination algorithm returns the sequence for a list or string without considering the order. For example, the Combination of string “abc” with two characters would be “ab”, “ac” …
The combination is a frequently-used technique that choose a number of items from a whole data set (sequence is not important). For example, to choose 2 items from 3, …