Package g0001_0100.s0077_combinations

Class Solution

java.lang.Object

g0001_0100.s0077_combinations.Solution

public class Solution
extends Object

77 - Combinations\. Medium Given two integers `n` and `k`, return _all possible combinations of_ `k` _numbers out of the range_ `[1, n]`. You may return the answer in **any order**. **Example 1:** **Input:** n = 4, k = 2 **Output:** [ [2,4], [3,4], [2,3], [1,2], [1,3], [1,4], ] **Example 2:** **Input:** n = 1, k = 1 **Output:** [[1]] **Constraints:** * `1 <= n <= 20` * `1 <= k <= n`

Constructor Summary

Constructors

Constructor	Description
Solution()

Method Summary

Modifier and Type	Method	Description
List<List<Integer>>	combine(int n, int k)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

Solution

public Solution()

Method Details

combine

public List<List<Integer>> combine(int n,
 int k)