Merge pull request #2 from ds-sww/master

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assignment5.5 commit by 13307130174
Merge pull request #3 from ds-sww/master

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Add assignment5 by explosic4
correct LRH_solution2 by explosic4
assignment6.5
assignment 5
version 2
Assignment 4
Assignment 2
commit by 1330730309
我也知道这个代码不能看求轻喷...
initial commit
Assignment6 completed
Assignment6
commit assignment6
Assignment6.5 Init.
assignment6
Merge pull request #355 from spirizonx/assignment6.5

12307130066_Xuan Yuan_Assignment6.5 [ Init. ]
Merge pull request #337 from wanyimu/assignment5.5

13307130174_WanYimu_assignment5.5