[{"title":"(4个子文件7KB)自制C++矩阵计算器","children":[{"title":"矩阵求逆.h <span style='color:#111;'>5.26KB</span>","children":null,"spread":false},{"title":"矩阵.cpp <span style='color:#111;'>6.00KB</span>","children":null,"spread":false},{"title":"矩阵.h <span style='color:#111;'>556B</span>","children":null,"spread":false},{"title":"矩阵运算.cpp <span style='color:#111;'>10.23KB</span>","children":null,"spread":false}],"spread":true}]