Compilare: user.cpp: In function ‘int getNr()’: user.cpp:23:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(isDigit[c] == 0 && c != '-') c = getCr(); ^ user.cpp:25:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(isDigit[c]==1){nr=nr*10+c-'0';c=getCr();} ^ user.cpp: In function ‘bool verif(int, int, int, int)’: user.cpp:67:21: warning: unused variable ‘last’ [-Wunused-variable] int bagam = 1, last =1; ^ user.cpp: In function ‘void refillBuff()’: user.cpp:15:56: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] void refillBuff(){crChar = 0;fread(buff, 1, buffSize,f);} ^