Compilare: user.cpp:7: warning: non-local variable ‘<anonymous struct> T [75][75]’ uses anonymous type user.cpp:7: warning: non-local variable ‘<anonymous struct> f [75]’ uses anonymous type user.cpp: In function ‘int main()’: user.cpp:13: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:14: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:15: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result