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## 1. Lin oj diagonal two-dimensional matrix 952 and
## 2 . Lin oj peripheral 1064 Matrix
## 3. Lin oj 955 help five
first defined a [100] [100] is not input location data of all 0, while the second cycle may retain the previous data left by the results of the second error, so every time you want to loop the array is cleared. (One cycle of the array after the array defines an outer main function is not automatically cleared) 
## 4. Lin rotary oj 1031 submatrix
## 5. Lin matrix multiplication oj 954
