Eroare de compilare: user.cpp:8: warning: ‘typedef’ was ignored in this declaration user.cpp:10: error: size of array ‘mat’ is too large user.cpp: In function ‘int main()’: user.cpp:30: error: ‘mat’ was not declared in this scope user.cpp:41: error: ‘mat’ was not declared in this scope user.cpp:18: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result