Mr ToPu

Results 1 issues of Mr ToPu

/** * @param {number[]} nums * @return {number[][]} * 利用回溯算法找出数组的全排列 * [1,2,3]=>[ * [ 1, 2, 3 ], * [ 1, 3, 2 ], * [ 2, 1, 3 ],...