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leetcode

 (151)
[LeetCode] 1. Two Sum (코딩테스트, 릿코드, tech interview) 릿코드 하나씩 공부하면서 열심히 풀기로 1, 2, 3 세번에 걸쳐서 퍼포먼스를 올렸고, 거의 최대치로 나옴 Process // 1. Input // 2. Iterate all with hashmap (i) // 2.1. Check target-nums[i] // 2.1.1. If so -> return answer // 3. Finish package algorithm_sites.leetcode; import java.util.*; public class LC_00001_TowSum { public int[] twoSum_1(int[] nums, int target) { if (nums.length == 2) { return new int[] {0,1}; } for (int i = 0; i < nums...
LeetCode #791 CustomSortString. Algorithm,알고리즘,LeetCode,Codefights,CodeSignal,코드파이트,코드시그널,예제,그래프,Graph,example,c++,java,재귀,recursive,datastructure,techinterview,coding,코딩인터뷰,기술면접, 데이터베.. LeetCode #791 CustomSortString. Algorithm,알고리즘,LeetCode,Codefights,CodeSignal,코드파이트,코드시그널,예제,그래프,Graph,example,c++,java,재귀,recursive,datastructure,techinterview,coding,코딩인터뷰,기술면접, 데이터베이스, sql, query, 쿼리 Runtime: 0 ms, faster than 100.00% of C++ online submissions for Custom Sort String. Memory Usage: 8.4 MB, less than 81.82% of C++ online submissions for Custom Sort String. LeetCode #791 Q. S an..
LeetCode #929 UniqueEmailAddresses. Algorithm,알고리즘,LeetCode,Codefights,CodeSignal,코드파이트,코드시그널,예제,그래프,Graph,example,c++,java,재귀,recursive,datastructure,techinterview,coding,코딩인터뷰,기술면접, 데이터.. LeetCode #929 UniqueEmailAddresses. Algorithm,알고리즘,LeetCode,Codefights,CodeSignal,코드파이트,코드시그널,예제,그래프,Graph,example,c++,java,재귀,recursive,datastructure,techinterview,coding,코딩인터뷰,기술면접, 데이터베이스, sql, query, 쿼리 Runtime: 32 ms, faster than 78.13% of C++ online submissions for Unique Email Addresses. Memory Usage: 14.3 MB, less than 21.43% of C++ online submissions for Unique Email Addresses. LeetCode..
LeetCode #496 NextGreaterElement1. Algorithm,알고리즘,LeetCode,Codefights,CodeSignal,코드파이트,코드시그널,예제,그래프,Graph,example,c++,java,재귀,recursive,datastructure,techinterview,coding,코딩인터뷰,기술면접, 데이터.. LeetCode #496 NextGreaterElement1. Algorithm,알고리즘,LeetCode,Codefights,CodeSignal,코드파이트,코드시그널,예제,그래프,Graph,example,c++,java,재귀,recursive,datastructure,techinterview,coding,코딩인터뷰,기술면접, 데이터베이스, sql, query, 쿼리 Runtime: 8 ms, faster than 97.38% of C++ online submissions for Next Greater Element I. Memory Usage: 8.9 MB, less than 100.00% of C++ online submissions for Next Greater Element I. LeetCode #..
LeetCode #1189 MaximumNumberOfBalloons. Algorithm,알고리즘,LeetCode,Codefights,CodeSignal,코드파이트,코드시그널,예제,그래프,Graph,example,c++,java,재귀,recursive,datastructure,techinterview,coding,코딩인터뷰,기술면접, 데.. LeetCode #1189 MaximumNumberOfBalloons. Algorithm,알고리즘,LeetCode,Codefights,CodeSignal,코드파이트,코드시그널,예제,그래프,Graph,example,c++,java,재귀,recursive,datastructure,techinterview,coding,코딩인터뷰,기술면접, 데이터베이스, sql, query, 쿼리 Runtime: 0 ms, faster than 100.00% of C++ online submissions for Maximum Number of Balloons. Memory Usage: 8.9 MB, less than 100.00% of C++ online submissions for Maximum Number of Balloo..
LeetCode #690 EmployeeImportance. Algorithm,알고리즘,LeetCode,Codefights,CodeSignal,코드파이트,코드시그널,예제,그래프,Graph,example,c++,java,재귀,recursive,datastructure,techinterview,coding,코딩인터뷰,기술면접, 데이터.. LeetCode #690 EmployeeImportance. Algorithm,알고리즘,LeetCode,Codefights,CodeSignal,코드파이트,코드시그널,예제,그래프,Graph,example,c++,java,재귀,recursive,datastructure,techinterview,coding,코딩인터뷰,기술면접, 데이터베이스, sql, query, 쿼리 Runtime: 32 ms, faster than 67.94% of C++ online submissions for Employee Importance. Memory Usage: 14.6 MB, less than 100.00% of C++ online submissions for Employee Importance. LeetCode #690 Q..
LeetCode #182 DuplicateEmails. Algorithm,알고리즘,LeetCode,Codefights,CodeSignal,코드파이트,코드시그널,예제,그래프,Graph,example,c++,java,재귀,recursive,datastructure,techinterview,coding,코딩인터뷰,기술면접, 데이터베.. LeetCode #182 DuplicateEmails. Algorithm,알고리즘,LeetCode,Codefights,CodeSignal,코드파이트,코드시그널,예제,그래프,Graph,example,c++,java,재귀,recursive,datastructure,techinterview,coding,코딩인터뷰,기술면접, 데이터베이스, sql, query, 쿼리 Runtime: 175 ms, faster than 93.09% of MySQL online submissions for Duplicate Emails. Memory Usage: 0B, less than 100.00% of MySQL online submissions for Duplicate Emails. LeetCode #182 Q. SQL Sch..
LeetCode #1137 N-thTribonacciNumber. Algorithm,알고리즘,LeetCode,Codefights,CodeSignal,코드파이트,코드시그널,예제,그래프,Graph,example,c++,java,재귀,recursive,datastructure,techinterview,coding,코딩인터뷰,기술면접 LeetCode #1137 N-thTribonacciNumber. Algorithm,알고리즘,LeetCode,Codefights,CodeSignal,코드파이트,코드시그널,예제,그래프,Graph,example,c++,java,재귀,recursive,datastructure,techinterview,coding,코딩인터뷰,기술면접 Runtime: 0 ms, faster than 100.00% of C++ online submissions for N-th Tribonacci Number. Memory Usage: 8.1 MB, less than 100.00% of C++ online submissions for N-th Tribonacci Number. LeetCode #1137 Q. The Tribonacc..

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