Compilare: main.cpp: In function 'int functie(char)': main.cpp:23:28: warning: array subscript has type 'char' [-Wchar-subscripts] term[++q]=val[x]; ^ main.cpp: In function 'int main()': main.cpp:113:24: warning: array subscript has type 'char' [-Wchar-subscripts] if (ok[s[i]]==0) ^ main.cpp:116:24: warning: array subscript has type 'char' [-Wchar-subscripts] ok[s[i]]=1; ^ main.cpp:121:24: warning: array subscript has type 'char' [-Wchar-subscripts] if (ok[s[i]]==0) ^ main.cpp:124:24: warning: array subscript has type 'char' [-Wchar-subscripts] ok[s[i]]=1; ^ main.cpp:131:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (k=2;k<strlen(exp1);k++) ~^~~~~~~~~~~~~ main.cpp:133:24: warning: array subscript has type 'char' [-Wchar-subscripts] val[exp1[0]]=val[exp1[0]]*10+exp1[k]-'0'; ^ main.cpp:133:37: warning: array subscript has type 'char' [-Wchar-subscripts] val[exp1[0]]=val[exp1[0]]*10+exp1[k]-'0'; ^