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add-zero
- 矩阵中加0 如一个矩阵是1行n列的,如10101010101010101010101010101010,现在我要把它变成1010101010101010 000010101010101010100000,可参考此程序-Matrix plus 0 such as a matrix of rows and n columns is one such 10101010101010101010101010101010, now I want to turn it into 10101010101010