Int Array Hash Set bit manipulation
우연히 맞은 정답...!너비가 가장 긴 컨테이너 면적부터 계산!너비가 짧아질수록 더 큰 컨테이너 면적을 얻기 위한 조건은 컨테이너의 높이가 이전 높이보다 반드시 높아야 한다!
https://leetcode.com/problems/add-binary/discuss/24475/Short-code-by-c%2B%2B
단점 : 모든 island 의 (x, y) 좌표를 BFS 순회장점 : 필요한 (x, y) 좌표에 대해서 BFS 순회
https://leetcode.com/problems/fibonacci-number/
https://leetcode.com/problems/longest-consecutive-sequence
https://leetcode.com/problems/maximum-area-of-a-piece-of-cake-after-horizontal-and-vertical-cuts/
https://leetcode.com/problems/maximum-units-on-a-truck/
https://leetcode.com/problems/minimum-moves-to-equal-array-elements-ii/incorrect answerwe don't need specific meeting point, just calculate (max