原创 1243. Number of Segments in a String
描述Count the number of segments in a string, where a segment is defined to be a contiguous sequence of non-space charact
2020-06-27 05:46:04
原创 1319. Contains Duplicate II
描述Given an array of integers and an integer k, find out whether there are two distinct indices i and j in the array suc
2020-06-27 05:46:04
原创 1254. Sum of Left Leaves
描述Find the sum of all left leaves in a given binary tree.您在真實的面試中是否遇到過這個題？ 是樣例 3 / \ 9 20 / \ 15 7
2020-06-27 04:55:16
1
原创 1216. Largest Palindrome Product
描述Find the largest palindrome made from the product of two n-digit numbers.Since the result could be very large, you sh
2020-06-27 04:55:16
原创 1256. Nth Digit
描述Find the nth digit of the infinite integer sequence 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, ...n is positive and will fit
2020-06-27 04:55:16
原创 1230. Assign Cookies
描述Assume you are an awesome parent and want to give your children some cookies. But, you should give each child at most
2020-06-27 04:55:16
原创 1237. Number of Boomerangs
描述Given n points in the plane that are all pairwise distinct, a "boomerang" is a tuple of points (i, j, k) such that th
2020-06-27 04:55:16
2
原创 1253. Convert a Number to Hexadecimal
描述Given an integer, write an algorithm to convert it to hexadecimal. For negative integer, two’s complement method is u
2020-06-27 04:55:16
原创 1227. Repeated Substring Pattern
描述Given a non-empty string check if it can be constructed by taking a substring of it and appending multiple copies of
2020-02-23 20:50:59
原创 1314. Power of Two
描述Given an integer, write a function to determine if it is a power of two.您在真實的面試中是否遇到過這個題？ 無難度題目class Solution { publ
2020-02-23 20:50:59
原创 1231. Minimum Moves to Equal Array Elements
描述Given a non-empty integer array of size n, find the minimum number of moves required to make all array elements equal
2020-02-23 20:50:59
原创 1320. Contains Duplicate
描述Given an array of integers, find if the array contains any duplicates. Your function should return true if any value
2020-02-23 20:50:59
原创 1218. Number Complement
描述Given a positive integer, output its complement number. The complement strategy is to flip the bits of its binary rep
2020-02-23 20:50:48
原创 近期寫題遇到的函數
1.ceil函數：用法：double ceil(double x)功能：返回大於或者等於指定表達式的最小整數頭文件：cmath/math.h2.stol函數：用法：long stol( const string& _Str,
2020-02-23 20:50:48
原创 1225. Island Perimeter
描述You are given a map in form of a two-dimensional integer grid where 1 represents land and 0 represents water. Grid ce
2020-02-23 20:50:48