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What is the principle of 1.ARP deception implemented?

What is the difference between malloc in the 2.C language and new in C + +?

3. Briefly describe the process of TCP establishing a connection disconnection

4. A chat about JAVA-GC's understanding

The command of the 5.linux Ls|grep how it works

6. What happens to an array that is not sorted, using the dichotomy method?

7. Give the two-fork tree in sequence, post-order traversal, please restore the binary tree, and give the results of the pre-sequence traversal, consider programming implementation

8. For repeat 2 to 9 times the character x, Output NX. For characters greater than 9 times, first output 9X, and then consider the remaining characters. For consecutive non-repeating characters, enclosed in one, if, the enclosed part has 1, then add the escape character is also 1, the description algorithm is considered to be implemented. aaaaabb234ccc123dd-->5a2b123413c1112312d

9. Write program Strreplace (S,S1,S2) Completion function stereplace ("Happydapyab", "py", "123") Get Result "hap123da123ab" (cannot use any system with regular and string substitution functions)

10. Please design the corresponding data structure and algorithm, as far as possible to count the number of English words in an article, according to the first occurrence in the article in order to print out the word and the number of occurrences, and analyze the time complexity of the algorithm.

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