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:153:12: warning: unused variable ‘angle1’ [-Wunused-variable] double angle1, angle2, angle3; ^ user.cpp:153:20: warning: unused variable ‘angle2’ [-Wunused-variable] double angle1, angle2, angle3; ^ 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); ^ user.cpp: In function ‘double getAngle(double)’: user.cpp:141:12: warning: ‘angle3’ may be used uninitialized in this function [-Wmaybe-uninitialized] return angle3; ^ user.cpp: In function ‘void readFile()’: user.cpp:208:35: warning: ‘angle3’ may be used uninitialized in this function [-Wmaybe-uninitialized] angle5 = - angle3 + angleN; ^