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89860 篇文章 33 次评论PROGRAMMING:Draw diamonds with Obama
U.S. President Barack Obama not only called on everyone to learn programming, but also set an example to write code, bec…
PROGRAMMING:Exchange left child and right child of each node in binary tree
The binary list is used as the storage structure of the binary tree to exchange the left child and the right child of ea…
PROGRAMMING:give the thumbs-up
Microblog has a "like" function, you can like for your favorite blog to show support. Every blog post has some labels th…
PROGRAMMING:Ancient style typesetting
In ancient China, writing was arranged vertically from right to left. This topic asks you to write the procedure, arrang…
PROGRAMMING:A-B
This problem requires you to calculate $$A-B $$. However, the trouble is that both $$a $$and $$B $$are strings - that is…
PROGRAMMING:The universe is invincible
It is said that the first program that all programmers learn is to output a "Hello world" on the screen to say hello to…
PROGRAMMING:Polynomial a divided by B
This is still a problem about a / B, but a and B are both changed into polynomials. You need to calculate the quotient Q…
PROGRAMMING:Kung Fu heirs
Whether a martial art can be inherited and carried forward depends on fate. Generally speaking, the martial arts taught…
PROGRAMMING:Travel around the world
It's romantic to travel around the world, but it's not necessary to plan travel routes... There are thousands of routes,…
PROGRAMMING:How Long Does It Take
Given the relations of all the activities of a project, you are supposed to find the earliest completion time of the pro…