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89860 篇文章 33 次评论PROGRAMMING:Word inversion
Write a program, read in a line of English (only contains letters and spaces, separated by a single space between words)…
PROGRAMMING:Xiaoyu's army
Xiaoyu, who has just experienced the battle of fawn, is very happy, because Xiaoyu used only tens of thousands of troops…
PROGRAMMING:Er, are you fat
It is said that the latest obesity calculation method is: weight (kg) / height (m) square. EX:70kg ÷( one point seven fi…
PROGRAMMING:Interesting recent common ancestor problem
Given the post order traversal and middle order traversal of a binary tree, can you calculate the nearest common ancesto…
PROGRAMMING:Calculation 8
For Chinese people, 8 is a magic number, calculating the sum of 8 + 88 + 888 +... + 888... 888 (n 8, 5 ˂ = n ˂ = 10).###…
PROGRAMMING:Build a plank road in the open
Han Xin is valued by Liu Bang for his talent. Now, his boss has a problem to solveThere are $$n $$cities and $$M $$two-w…
PROGRAMMING:the sum
It is known that there are $$n $$nodes and $$n $- 1 edges, forming a tree structureGiven a root node $$s $$. Each node h…
PROGRAMMING:Finding the area of a circle
Enter the radius of the circle and calculate the area of the circle (Π = 3.14159)###Input format:Enter the radius of the…
PROGRAMMING:No Breakfast for College Students
As we all know, there is no breakfast for college students. And during Little Gyro's vacation, this kind of situation se…
PROGRAMMING:Permute Digits
You are given two positive integer numbers a and b. Permute (change order) of the digits of a to construct maximal numbe…