소프트웨어에 대한 모든 것

https://leetcode.com/problems/single-number/ Single Number - LeetCode Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview. leetcode.com 문제) 풀이 전략) XOR 교환법칙 결합법칙 이용 A^A = 0 A^0=A A^A^B^B^C=0^0^A=A 솔루션1) class Solution: def singleNumber(self, nums: List[int]) -> int: # 모든 값을 xor 취하면 하나만 남음 ret = 0 for num in n..