Borderou de evaluare (job #19937)

Compilare: user.cpp: In function 'int main()': user.cpp:8:16: warning: unused variable 'nrmax' [-Wunused-variable] user.cpp:8:24: warning: unused variable 'nrmin' [-Wunused-variable] user.cpp:6:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:7:42: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]