Compilare: user.cpp: In function ‘void getRez()’: user.cpp:124:9: warning: unused variable ‘p2’ [-Wunused-variable] int p2, s; ^ user.cpp: In function ‘void readFile()’: user.cpp:49:27: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets(a, MAX_N + 2, f); ^ user.cpp:50:27: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets(b, MAX_N + 2, f); ^