Borderou de evaluare (job #33065)

Compilare: user.cpp: In function ‘int main()’: user.cpp:7:21: warning: unused variable ‘nr2’ [-Wunused-variable] user.cpp:7:25: warning: unused variable ‘nr1’ [-Wunused-variable] user.cpp:7:29: warning: unused variable ‘nr’ [-Wunused-variable] user.cpp:5:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:6:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]