Compilare: main.cpp: In function 'void rescriere()': main.cpp:13:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<strlen(s);i++){ ~^~~~~~~~~~ main.cpp: In function 'int factor()': main.cpp:90:21: warning: array subscript has type 'char' [-Wchar-subscripts] r=v[z[i]]; ^ main.cpp: In function 'int main()': main.cpp:103:19: warning: array subscript has type 'char' [-Wchar-subscripts] v[modif[i]]=!v[modif[i]]; ^ main.cpp:103:32: warning: array subscript has type 'char' [-Wchar-subscripts] v[modif[i]]=!v[modif[i]]; ^