Compilare: main.cpp: In function 'int main()': main.cpp:16:70: warning: array subscript has type 'char' [-Wchar-subscripts] if(sir[i]==' '){nr++;v[nr]=nr;ff[nr]=1;}else{a[nr][++a[nr][0]]=sir[i];}} ^ main.cpp:24:59: warning: array subscript has type 'char' [-Wchar-subscripts] nr1++;s[nr1][0]=0;}else{s[nr1][++s[nr1][0]]=sir[i];}} ^