Number of Islands II Given a n,m which means the row and column of the 2D matrix and an array of pair A( size k). Originally, the 2D matrix is all ...
Given an interval list which are flying and landing time of the flight. How many airplanes are on the sky at most Example For interval list , , , , , , , , return Note If landing and flying happens a ...
2015-05-14 22:19 1 2305 推荐指数:
Number of Islands II Given a n,m which means the row and column of the 2D matrix and an array of pair A( size k). Originally, the 2D matrix is all ...
利用bitwise XOR的特点,n个数(0或1),如果1的个数为奇数,则n个数bitwise XOR结果为1,否则为0 先将所有的数异或,得到的将是x和y以后之后的值n。 找到这个数 ...
题目: 岛屿的个数 给一个01矩阵,求不同的岛屿的个数。 0代表海,1代表岛,如果两个1相邻,那么这两个1属于同一个岛。我们只考虑上下左右为相邻。 样例 ...
Majority Number 原题链接:http://lintcode.com/en/problem/majority-number/# Given an array of integers, the majority number is the number that occurs ...
Write an algorithm to determine if a number is happy. A happy number is a number defined by the following process: Starting with any positive ...
Majority Number II 原题链接: http://lintcode.com/en/problem/majority-number-ii/# Given an array of integers, the majority number is the number ...
题目 寻找缺失的数 给出一个包含 0 .. N 中 N 个数的序列,找出0 .. N 中没有出现在序列中的那个数。 样例 N = 4 且序列为 [0, ...
DP. boolean d[i][j]: For the first i items, can we fill a backpack of size j? true or false ...