동까의 코딩

https://leetcode.com/problems/group-the-people-given-the-group-size-they-belong-to/ class Solution: def groupThePeople(self, groupSizes: List[int]) -> List[List[int]]: rst, dt = [], collections.defaultdict(list) for i, g in enumerate(groupSizes): dt[g].append(i) if len(dt[g]) == g: rst.append(dt[g]) dt[g] = [] return rst

https://leetcode.com/problems/find-the-original-array-of-prefix-xor/submissions/1289234381/ leetcode 문제사이트의 배열 문제입니다. class Solution: def findArray(self, pref: List[int]) -> List[int]: ans = [0] * len(pref) ans[0] = pref[0] for i in range(1, len(ans)): ans[i] = pref[i] ^ pref[i - 1] return ans