l1 = [183,0,1,2,-184,367] num = [] for i in range (0,len(l1)): for l in range (i+1,len(l1)): if l1[i]+l1[l]==183: num.append((l1[i],l1[l])) sum = set(num) print(sum) //set():去重…
183. Painting the balls time limit per test: 0.25 sec.memory limit per test: 4096 KB input: standard inputoutput: standard output Petya puts the N white balls in a line and now he wants to paint some of them in black, so that at least two black balls…
This week’s JavaScript news Read this issue on the Web | Issue Archive JavaScript Weekly Issue 183May 30, 2014 Editor: Peter Cooper Featured Introducing Socket.IO 1.0: A Leap Forward for the Real-Time Communications Library— After what looked like…
181. Employees Earning More Than Their Managers The Employee table holds all employees including their managers. Every employee has an Id, and there is also a column for the manager Id. +----+-------+--------+-----------+ | Id | Name | Salary | Manag…
183.Wood Cut[hard] Given n pieces of wood with length L[i] (integer array). Cut them into small pieces to guarantee you could have equal or more than k pieces with the same length. What is the longest length you can get from the n pieces of wood? Giv…
183. Customers Who Never Order Suppose that a website contains two tables, the Customers table and the Orders table. Write a SQL query to find all customers who never order anything. Table: Customers. +----+-------+ | Id | Name | +----+-------+ | 1 |…
