Compilare: main.cpp: In function 'int Expresie()': main.cpp:16:13: warning: array subscript has type 'char' [-Wchar-subscripts] 16 | while(c[i] == '+' || c[i] == '-') { | ^ main.cpp:16:28: warning: array subscript has type 'char' [-Wchar-subscripts] 16 | while(c[i] == '+' || c[i] == '-') { | ^ main.cpp:17:15: warning: array subscript has type 'char' [-Wchar-subscripts] 17 | if(c[i++] == '+') nm += Termen(); | ~^~ main.cpp: In function 'int Termen()': main.cpp:25:13: warning: array subscript has type 'char' [-Wchar-subscripts] 25 | while(c[i] == '*' || c[i] == '/') { | ^ main.cpp:25:28: warning: array subscript has type 'char' [-Wchar-subscripts] 25 | while(c[i] == '*' || c[i] == '/') { | ^ main.cpp:26:15: warning: array subscript has type 'char' [-Wchar-subscripts] 26 | if(c[i++] == '*') nm *= Factor(); | ~^~ main.cpp: In function 'int Factor()': main.cpp:34:10: warning: array subscript has type 'char' [-Wchar-subscripts] 34 | if(c[i] == '(') { | ^ main.cpp: In function 'int Numar()': main.cpp:45:20: warning: array subscript has type 'char' [-Wchar-subscripts] 45 | while('0' <= c[i] && c[i] <= '9') { | ^ main.cpp:45:28: warning: array subscript has type 'char' [-Wchar-subscripts] 45 | while('0' <= c[i] && c[i] <= '9') { | ^ main.cpp:46:26: warning: array subscript has type 'char' [-Wchar-subscripts] 46 | nm = nm * 10 + c[i] - '0'; | ^