Suppose you have a random list of people standing in a queue. Each person is described by a pair of integers (h, k), where h ...

Given an integer, write an algorithm to convert it to hexadecimal. For negative integer, two’s complement method is used. Not...

Winter is coming! Your first job during the contest is to design a standard heater with fixed warm radius to warm all the hou...

In the “100 game,” two players take turns adding, to a running total, any integer from 1..10. The player who first causes the...

这些年来，提出了几个normalization的方法，这里做一个总结。主要包括以下几个： Batch Normalization Layer Normalization Instance Normalization Group Normalizat...

You are given a binary tree in which each node contains an integer value. Find the number of paths that sum to a given value....

Count the number of segments in a string, where a segment is defined to be a contiguous sequence of non-space characters. Ple...

Given a string that consists of only uppercase English letters, you can replace any letter in the string with another letter ...

Given an 2D board, count how many battleships are in it. The battleships are represented with 1'X' s, empty slots ...

Given an m x n matrix of positive integers representing the height of each unit cell in a 2D elevation map, compute the volum...