Compilare: user.cpp: In function ‘void Read()’: user.cpp:204:31: warning: zero-length gnu_printf format string [-Wformat-zero-length] printf("",ProcessSir()); ^ user.cpp: In function ‘void ReadSir()’: user.cpp:29:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &nre[i]); ^ user.cpp: In function ‘bool ProcessSir()’: user.cpp:194:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘void Read()’: user.cpp:198:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &n); ^ user.cpp:202:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &crtLgh); ^