leetcode338-leetcode:leetcode

leetcode 338 bitCount, Brian Kernighan's way [461. Hamming Distance.cpp](. Hamming Distance.cpp) [419. Battleships in a Board.cpp](. Battleships in a Board.cpp) [338. Counting Bits.cpp](. Counting Bits.cpp) [412. Fizz Buzz.cpp](. Fizz Buzz.cpp) [463. Island Perimeter.cpp](. Island Perimeter.cpp) 使用queue，从右向左逐层遍历