Compilare: main.cpp: In function 'long long 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:162:24: warning: array subscript has type 'char' [-Wchar-subscripts] if (ok[s[i]]==0) ^ main.cpp:165:24: warning: array subscript has type 'char' [-Wchar-subscripts] ok[s[i]]=1; ^ main.cpp:170:24: warning: array subscript has type 'char' [-Wchar-subscripts] if (ok[s[i]]==0) ^ main.cpp:173:24: warning: array subscript has type 'char' [-Wchar-subscripts] ok[s[i]]=1; ^ main.cpp:180:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (k=2;k<strlen(exp1);k++) ~^~~~~~~~~~~~~ main.cpp:182:24: warning: array subscript has type 'char' [-Wchar-subscripts] val[exp1[0]]=val[exp1[0]]*10+exp1[k]-'0'; ^ main.cpp:182:37: warning: array subscript has type 'char' [-Wchar-subscripts] val[exp1[0]]=val[exp1[0]]*10+exp1[k]-'0'; ^