Compilare: user.cpp: In function ‘int getNr()’: user.cpp:46:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(isDigit[c] == 0 && c != '-') ^ user.cpp:56:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(isDigit[c] == 1) ^ user.cpp: In function ‘void getRMQ(int, int, int)’: user.cpp:275:9: warning: unused variable ‘dx’ [-Wunused-variable] int dx = 0; ^ user.cpp:276:9: warning: unused variable ‘lx’ [-Wunused-variable] int lx, cx; ^ user.cpp:276:13: warning: unused variable ‘cx’ [-Wunused-variable] int lx, cx; ^ user.cpp:278:9: warning: unused variable ‘d’ [-Wunused-variable] int d; ^ user.cpp: In function ‘void getRMQLEFT(int, int, int)’: user.cpp:288:9: warning: unused variable ‘dx’ [-Wunused-variable] int dx = 0; ^ user.cpp:289:9: warning: unused variable ‘lx’ [-Wunused-variable] int lx, cx; ^ user.cpp:289:13: warning: unused variable ‘cx’ [-Wunused-variable] int lx, cx; ^ user.cpp:291:9: warning: unused variable ‘d’ [-Wunused-variable] int d; ^ user.cpp: In function ‘void refillBuff()’: user.cpp:21:32: 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); ^