Borderou de evaluare (job #348721)

Compilare: user.cpp: In function ‘int main()’: user.cpp:48:5: warning: unused variable ‘n’ [-Wunused-variable] user.cpp:48:7: warning: unused variable ‘nr’ [-Wunused-variable] user.cpp:48:10: warning: unused variable ‘n2’ [-Wunused-variable] user.cpp:49:6: warning: unused variable ‘c’ [-Wunused-variable] user.cpp:46:28: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:47:30: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]