Compilare: main.cpp: In function 'int getNr()': main.cpp:54:25: warning: array subscript has type 'char' [-Wchar-subscripts] if(isDigit[s[crChar]] == 0) ^ main.cpp:58:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(crChar < s.size() && isDigit[s[crChar]]) ~~~~~~~^~~~~~~~~~ main.cpp:58:49: warning: array subscript has type 'char' [-Wchar-subscripts] while(crChar < s.size() && isDigit[s[crChar]]) ^ main.cpp: In function 'int getVar()': main.cpp:70:24: warning: array subscript has type 'char' [-Wchar-subscripts] if(isChar[s[crChar]] != 0) ^ main.cpp:72:31: warning: array subscript has type 'char' [-Wchar-subscripts] var = isChar[s[crChar]]; ^ main.cpp: In function 'void getCoef()': main.cpp:82:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(crChar < s.size()) ~~~~~~~^~~~~~~~~~ main.cpp: In function 'void getPos()': main.cpp:97:10: warning: unused variable 'mx' [-Wunused-variable] lint mx = 0; ^~