Compilare: user.cpp: In function ‘int main()’: user.cpp:39: warning: format ‘%s’ expects type ‘char*’, but argument 2 has type ‘char (*)[101]’ user.cpp:31: warning: unused variable ‘cw’ user.cpp:31: warning: unused variable ‘la’ user.cpp:31: warning: unused variable ‘lc’ user.cpp:31: warning: unused variable ‘lp’ user.cpp:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:39: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:107: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result