How to Compute Nested List Weight Sum of Any Arrays?

  • 时间：2020-10-06 11:32:45
  • 分类：网络文摘
  • 阅读：101 次
Given a nested list of integers, return the sum of all integers in the list weighted by their depth. Each element is either an integer, or a list — whose elements may also be integers or other lists. Example 1: Input: [[1,1],2,[1,1]]... ...

Compute the Sum of Even Numbers After Queries

  • 时间：2020-10-06 11:32:45
  • 分类：网络文摘
  • 阅读：123 次
We have an array A of integers, and an array queries of queries. For the i-th query val = queries[i][0], index = queries[i][1], we add val to A[index]. Then, the answer to the i-th query is the sum of the even values of A. (Here, the given... ...

How to Partition an Array Into Three Parts With Equal Sum?

  • 时间：2020-10-06 11:32:45
  • 分类：网络文摘
  • 阅读：101 次
Given an array A of integers, return true if and only if we can partition the array into three non-empty parts with equal sums. Formally, we can partition the array if we can find indexes i+1 < j with (A[0] + A[1] + … + A[i] == A[... ...

How To Find The Ideal Monitor For Coders?

  • 时间：2020-10-06 11:32:45
  • 分类：网络文摘
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how-to-find-the-ideal-monitor-for-coders Computer coding is among the most critical programming methods that require the coder to utilize reliable working devices. One essential equipment you need to pay more attention to is the computer mo... ...

How to Compute the Projection Area of 3D Shapes?

  • 时间：2020-10-06 11:32:45
  • 分类：网络文摘
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On a N * N grid, we place some 1 * 1 * 1 cubes that are axis-aligned with the x, y, and z axes. Each value v = grid[i][j] represents a tower of v cubes placed on top of grid cell (i, j). Now we view the projection of these cubes onto the x... ...

Coding For Profit: 4 Types Of Websites To Consider Building

  • 时间：2020-10-06 11:32:45
  • 分类：网络文摘
  • 阅读：100 次
website design Coding has become a much more accessible skill in recent years. That doesn’t mean it’s necessarily gotten easier to create a good website or program, but methods for understanding the process have improved and grown more wide... ...

C++ Coding Exercise: Smallest Range of Array

  • 时间：2020-10-06 11:32:45
  • 分类：网络文摘
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Given an array A of integers, for each integer A[i] we may choose any x with -K <= x <= K, and add x to A[i]. After this process, we have some array B. Return the smallest possible difference between the maximum value of B and the mi... ...

Design a Logger Rate Limiter in C++/Java

  • 时间：2020-10-06 11:32:45
  • 分类：网络文摘
  • 阅读：127 次
Design a logger system that receive stream of messages along with its timestamps, each message should be printed if and only if it is not printed in the last 10 seconds. Given a message and a timestamp (in seconds granularity), return true... ...

How to Reverse Words in a String?

  • 时间：2020-10-06 11:32:45
  • 分类：网络文摘
  • 阅读：108 次
Given a string, you need to reverse the order of characters in each word within a sentence while still preserving whitespace and initial word order. Input: “Let’s take LeetCode contest” Output: “s’teL ekat edo... ...

Compute Number of Lines To Write String (Wordwrap)

  • 时间：2020-10-06 11:32:45
  • 分类：网络文摘
  • 阅读：119 次
We are to write the letters of a given string S, from left to right into lines. Each line has maximum width 100 units, and if writing a letter would cause the width of the line to exceed 100 units, it is written on the next line. We are gi... ...