Compilare: main.cpp: In function 'int main()': main.cpp:36:27: warning: array subscript has type 'char' [-Wchar-subscripts] if(maxf[fl[i].last].pos!=-1) ^ main.cpp:39:28: warning: array subscript has type 'char' [-Wchar-subscripts] maxl[fl[i].last].q=maxf[fl[i].last].q+1; ^ main.cpp:39:47: warning: array subscript has type 'char' [-Wchar-subscripts] maxl[fl[i].last].q=maxf[fl[i].last].q+1; ^ main.cpp:40:28: warning: array subscript has type 'char' [-Wchar-subscripts] maxl[fl[i].last].pos=i; ^ main.cpp:41:37: warning: array subscript has type 'char' [-Wchar-subscripts] nextt[i]=maxf[fl[i].last].pos; ^ main.cpp:42:29: warning: array subscript has type 'char' [-Wchar-subscripts] maxf[fl[i].first].q=maxl[fl[i].last].q; ^ main.cpp:42:48: warning: array subscript has type 'char' [-Wchar-subscripts] maxf[fl[i].first].q=maxl[fl[i].last].q; ^ main.cpp:43:29: warning: array subscript has type 'char' [-Wchar-subscripts] maxf[fl[i].first].pos=maxl[fl[i].last].pos; ^ main.cpp:43:50: warning: array subscript has type 'char' [-Wchar-subscripts] maxf[fl[i].first].pos=maxl[fl[i].last].pos; ^ main.cpp:45:25: warning: array subscript has type 'char' [-Wchar-subscripts] maxf[fl[i].first].pos=i; ^ main.cpp:46:33: warning: array subscript has type 'char' [-Wchar-subscripts] if(maxx<maxf[fl[i].first].q) ^ main.cpp:47:34: warning: array subscript has type 'char' [-Wchar-subscripts] maxx=maxf[fl[i].first].q,position=i; ^ main.cpp:20:19: warning: 'position' may be used uninitialized in this function [-Wmaybe-uninitialized] int counter=0,position; ^~~~~~~~