Borderou de evaluare (job #345921)

Compilare: user.cpp: In function ‘int main()’: user.cpp:9:25: warning: unused variable ‘m’ [-Wunused-variable] user.cpp:9:27: warning: unused variable ‘b’ [-Wunused-variable] user.cpp:9:29: warning: unused variable ‘k’ [-Wunused-variable] user.cpp:10:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:11:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]