Compilare: user.cpp: In function ‘int getNr()’: user.cpp:54:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(isDigit[c] == 0 && c != '-') ^ user.cpp:64:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(isDigit[c] == 1) ^ user.cpp: In function ‘void readFile()’: user.cpp:147:12: warning: unused variable ‘angle1’ [-Wunused-variable] double angle1, angle2, angle3; ^ user.cpp:147:20: warning: unused variable ‘angle2’ [-Wunused-variable] double angle1, angle2, angle3; ^ user.cpp:152:9: warning: unused variable ‘ok’ [-Wunused-variable] int ok; ^ user.cpp:153:9: warning: unused variable ‘ang’ [-Wunused-variable] int ang, a; ^ user.cpp:153:14: warning: unused variable ‘a’ [-Wunused-variable] int ang, a; ^ user.cpp: In function ‘void refillBuff()’: user.cpp:36:32: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buff, 1, buffSize, f); ^