jayfate/leetcode-js

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leetcode-js's Issues

note

// console.clear();

const log = console.log;

/**
 * @param {number[]} nums
 * @return {number[][]}
 */
const subsets = (nums) => {
  const res = [];
  nums = nums.sort((a, b) => a - b);

  const l = nums.length;
  const dfs = (index, list) => {
    debugger;
    log("*".repeat(20));
    log(`index, list`, index, list);
    if (index === l) {
      log(111);
      debugger;
      res.push(list);
      return;
    }
    dfs(index + 1, [...list]);
    if (index === 0 || nums[index] !== nums[index - 1]) {
      dfs(index + 1, [...list, nums[index]]);
    }
  };
  dfs(0, []);
  return res;
};

// var nums = [1, 2, 3];

// log(subsets(nums));

// var nums = [0];

// log(subsets(nums));

var nums = [1, 2, 2];

log(subsets(nums));