LeetCode: Sum Of All Subset Xor Totals Solution
1/**2 * @param {number[]} nums3 * @return {number}4 */5var subsetXORSum = function (nums) {6 let res = 07 const N = nums.length89 const recursion = (currentIndex, sum) => {10 res += sum11 for (let i = currentIndex; i < N; i++) {12 sum ^= nums[i]13 recursion(i + 1, sum)14 sum ^= nums[i]15 }16 }1718 recursion(0, 0)1920 return res21}
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leetcode
backtracking
recursion
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LeetCode: Finding Pairs With A Certain Sum
May 16, 2021