Simple Network

Author: Song Li
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##AIM##
This program is used to transform files from client to server, the server will run the received code and return the answer to the client. The client part and the server part are combined to a single program. Using “fork()” function to make them work separately.

Myfmt

Author: Song Li

##AIM##
This program is use to do text format things. Users can use this program to limit the width of every line into a particular length and can uniform every blanks.

Maximal Square

Given a 2D binary matrix filled with 0’s and 1’s, find the largest square containing all 1’s and return its area.

For example, given the following matrix:

1 0 1 0 0
1 0 1 1 1
1 1 1 1 1
1 0 0 1 0
Return 4

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