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leetcode

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LeetCode #389 FindTheDifference. Algorithm,알고리즘,LeetCode,Codefights,CodeSignal,코드파이트,코드시그널,예제,문제해결능력,example,c++,java,재귀,recursive,datastructure,techinterview,coding,코딩인터뷰,기술면접,연결리.. LeetCode #389 FindTheDifference. Algorithm,알고리즘,LeetCode,Codefights,CodeSignal,코드파이트,코드시그널,예제,문제해결능력,example,c++,java,재귀,recursive,datastructure,techinterview,coding,코딩인터뷰,기술면접,연결리스트 Performance and Memory both 99%%% LeetCode #389 Q. Given two strings s and t which consist of only lowercase letters. String t is generated by random shuffling string s and then add one more letter at a random posit..
LeetCode #141 LinkedListCycle. Algorithm,알고리즘,LeetCode,Codefights,CodeSignal,코드파이트,코드시그널,예제,문제해결능력,example,c++,java,재귀,recursive,datastructure,techinterview,coding,코딩인터뷰,기술면접,연결리스.. LeetCode #141 LinkedListCycle. Algorithm,알고리즘,LeetCode,Codefights,CodeSignal,코드파이트,코드시그널,예제,문제해결능력,example,c++,java,재귀,recursive,datastructure,techinterview,coding,코딩인터뷰,기술면접,연결리스트 퍼포먼스 최최최상 Perfekto performance LeetCode #141 Q. Given a linked list, determine if it has a cycle in it. To represent a cycle in the given linked list, we use an integer pos which represents the position (0-indexed) in..
LeetCode #119 Pascal'sTriangle2. Algorithm,알고리즘,LeetCode,Codefights,CodeSignal,코드파이트,코드시그널,예제,문제해결능력,example,c++,java,재귀,recursive,datastructure,techinterview,coding,코딩인터뷰,기술면접, 파스칼.. LeetCode #119 Pascal'sTriangle2. Algorithm,알고리즘,LeetCode,Codefights,CodeSignal,코드파이트,코드시그널,예제,문제해결능력,example,c++,java,재귀,recursive,datastructure,techinterview,coding,코딩인터뷰,기술면접LeetCode #119 Pascal'sTriangle2. Algorithm,알고리즘,LeetCode,Codefights,CodeSignal,코드파이트,코드시그널,예제,문제해결능력,example,c++,java,재귀,recursive,datastructure,techinterview,coding,코딩인터뷰,기술면접, 파스칼의 삼각형, Pascal, 파스칼 파스칼의삼각형1번 문제와 거의 유사하고,..
LeetCode #104 MaximumDepthOfBinaryTree. Algorithm,알고리즘,LeetCode,Codefights,CodeSignal,코드파이트,코드시그널,예제,문제해결능력,example,c++,java,재귀,recursive,datastructure,techinterview,coding,코딩인터뷰,기술면접 LeetCode #104 MaximumDepthOfBinaryTree. Algorithm,알고리즘,LeetCode,Codefights,CodeSignal,코드파이트,코드시그널,예제,문제해결능력,example,c++,java,재귀,recursive,datastructure,techinterview,coding,코딩인터뷰,기술면접 Nice performance LeetCode #104 Q. Given a binary tree, find its maximum depth. The maximum depth is the number of nodes along the longest path from the root node down to the farthest leaf node. Note: A leaf is a no..
LeetCode #118 Pascal'sTriangle. Algorithm,알고리즘,LeetCode,Codefights,CodeSignal,코드파이트,코드시그널,예제,문제해결능력,example,c++,java,재귀,recursive,datastructure,techinterview,coding,코딩인터뷰,기술면접 LeetCode #118 Pascal'sTriangle. Algorithm,알고리즘,LeetCode,Codefights,CodeSignal,코드파이트,코드시그널,예제,문제해결능력,example,c++,java,재귀,recursive,datastructure,techinterview,coding,코딩인터뷰,기술면접 LeetCode #118 Q. Given a non-negative integer numRows, generate the first numRows of Pascal's triangle. In Pascal's triangle, each number is the sum of the two numbers directly above it. e.g. Example: Input: 5 Output: [ [1..
LeetCode #88 MergeSortedAray. Algorithm,알고리즘,LeetCode,Codefights,CodeSignal,코드파이트,코드시그널,예제,문제해결능력,example,c++,java,재귀,recursive,datastructure,techinterview,coding,코딩인터뷰,기술면접 LeetCode #88 MergeSortedAray. Algorithm,알고리즘,LeetCode,Codefights,CodeSignal,코드파이트,코드시그널,예제,문제해결능력,example,c++,java,재귀,recursive,datastructure,techinterview,coding,코딩인터뷰,기술면접 어제 했던 병합정렬 쉬운 버전.. Easy version of the merge sort what i did yesterday.. LeetCode #88 Q. Given two sorted integer arrays nums1 and nums2, merge nums2 into nums1 as one sorted array. 주어진 두개의 정렬된 정수 배열에서, 두개를 합쳐서 한개의 정렬된 배열을 만..
LeetCode #021 MergeTwoSortedLists. Algorithm,알고리즘,LeetCode,Codefights,CodeSignal,코드파이트,코드시그널,예제,문제해결능력,example,c++,java,재귀,recursive,datastructure,techinterview,coding,코딩인터뷰,기술면접 LeetCode #021 MergeTwoSortedLists. Algorithm,알고리즘,LeetCode,Codefights,CodeSignal,코드파이트,코드시그널,예제,문제해결능력,example,c++,java,재귀,recursive,datastructure,techinterview,coding,코딩인터뷰,기술면접 노드 구조체를 포인터 써서 이동함. 퍼포먼스 중상, 메모리 상 LeetCode #21 Q. Merge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the first two lists. 두개의 정렬된 연결리스트를 병합해서 새로운 리스..
LeetCode #202 HappyNumber. Algorithm,알고리즘,LeetCode,Codefights,CodeSignal,코드파이트,코드시그널,예제,문제해결능력,example,c++,java,재귀,recursive,datastructure,techinterview,coding,코딩인터뷰,기술면접 LeetCode #202 HappyNumber. Algorithm,알고리즘,LeetCode,Codefights,CodeSignal,코드파이트,코드시그널,예제,문제해결능력,example,c++,java,재귀,recursive,datastructure,techinterview,coding,코딩인터뷰,기술면접 30분정도.. 3번 제출.. 퍼포먼스 100%.. 30min.. submit 3 times.. 100% performance.. LeetCode #202 Q. Write an algorithm to determine if a number is "happy". A happy number is a number defined by the following process: Starting with any pos..