Compilare: main.cpp: In function 'int functie(char)': main.cpp:76:28: warning: array subscript has type 'char' [-Wchar-subscripts] term[++q]=val[x]; ^ main.cpp: In function 'int main()': main.cpp:146:24: warning: array subscript has type 'char' [-Wchar-subscripts] if (ok[s[i]]==0) ^ main.cpp:149:24: warning: array subscript has type 'char' [-Wchar-subscripts] ok[s[i]]=1; ^ main.cpp:154:24: warning: array subscript has type 'char' [-Wchar-subscripts] if (ok[s[i]]==0) ^ main.cpp:157:24: warning: array subscript has type 'char' [-Wchar-subscripts] ok[s[i]]=1; ^ main.cpp:164:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (k=2;k<strlen(exp1);k++) ~^~~~~~~~~~~~~ main.cpp:166:24: warning: array subscript has type 'char' [-Wchar-subscripts] val[exp1[0]]=val[exp1[0]]*10+exp1[k]-'0'; ^ main.cpp:166:37: warning: array subscript has type 'char' [-Wchar-subscripts] val[exp1[0]]=val[exp1[0]]*10+exp1[k]-'0'; ^