Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:24: warning: suggest parentheses around comparison in operand of ‘&’ user.cpp:36: error: ISO C++ forbids comparison between pointer and integer user.cpp:36: error: expected ‘;’ before ‘)’ token user.cpp:38: warning: statement has no effect user.cpp:36: error: label ‘nr1’ used but not defined user.cpp:8: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:9: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:10: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result