Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:12: error: ‘nr’ was not declared in this scope user.cpp:17: error: ‘nr’ was not declared in this scope user.cpp:20: error: expected primary-expression before ‘}’ token user.cpp:20: error: expected ‘;’ before ‘}’ token user.cpp:20: error: expected primary-expression before ‘}’ token user.cpp:20: error: expected ‘;’ before ‘}’ token user.cpp:20: error: expected primary-expression before ‘}’ token user.cpp:20: error: expected ‘)’ before ‘}’ token user.cpp:20: error: expected primary-expression before ‘}’ token user.cpp:20: error: expected ‘;’ before ‘}’ token user.cpp:7: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result 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 ‘int scanf(const char*, ...)’, 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:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result