Compilare: user.cpp: In function ‘int main()’: user.cpp:60:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] vf[str[pos[i]]]++; ^ user.cpp:66:19: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(vf[str[i]]==0){ ^ user.cpp:68:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] newpos[str[m]].push_back(m); ^ user.cpp:69:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] ind[m]=newpos[str[m]].size()-1; ^ user.cpp:72:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] vf[str[i]]--; ^ user.cpp:75:54: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(cif>str[i]&&(poz[cif]>=newpos[cif].size()||(poz[cif]<newpos[cif].size()&&newpos[cif][poz[cif]]-i>x))) ^ user.cpp:75:84: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(cif>str[i]&&(poz[cif]>=newpos[cif].size()||(poz[cif]<newpos[cif].size()&&newpos[cif][poz[cif]]-i>x))) ^ user.cpp:80:27: warning: array subscript has type ‘char’ [-Wchar-subscripts] newpos[str[j-1]][ind[j-1]]++; ^ user.cpp:81:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] newpos[str[j]][ind[j]]--; ^ user.cpp:39:23: warning: unused variable ‘l’ [-Wunused-variable] int i,x,n,rez,pas,l,m,p,cif,j,aux; ^ user.cpp:43:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d %d " ,&n,&x); ^