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89860 篇文章 33 次评论PROGRAMMING:Analysis of student number
Some digits of the student number of Sichuan Normal University have special meanings. For example, from 2016110101, we c…
PROGRAMMING:Gold necklace for sale
Please write a program to input the price of gold and the weight of necklace, calculate the total amount and print the b…
PROGRAMMING:Hollow diamond
Please write a program to output hollow diamond.####Input format˃Number of rows (positive integer)####Output format˃If t…
PROGRAMMING:Looking for the perfect number*
A number whose sum of all true factors is less than itself is called a deficiency. For example, if the sum of true facto…
PROGRAMMING:Looking for automorphic numbers
The so-called automorphic number (also called conformal number) refers to the natural number whose lower part of the squ…
PROGRAMMING:Finding affinity number pairs**
The so-called affinity number pair refers to two different natural numbers, in which the sum of the true factors of any…
PROGRAMMING:Guess the number*
In the following formula, the four digits of the multiplicand, $$a $, $$B $$, $$C $$, $$d $$, are different.![ Title 1.…
PROGRAMMING:Find the number of reverse order pairs
**Note: the time complexity of the algorithm is O (nlogn), otherwise the score is invalid**Title Source: http://poj.org/…
PROGRAMMING:Find the kth smallest number
Design an algorithm with an average time of O (n) to find the kth smallest number among n (1 ˂ = n ˂ = 1000) unordered i…
PROGRAMMING:Binary search
Input n value (1 ˂ = n ˂ = 1000), n non descending integers and the number x to be searched, use * * binary search algor…