Compilare: user.cpp: In function ‘int main()’: user.cpp:15:17: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(!poz[s[i]]){poz[s[i]]=1; rez[i]=1+rez[i+1]; obl[rez[i]]=s[i];}else rez[i]=rez[i+1]; ^ user.cpp:15:28: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(!poz[s[i]]){poz[s[i]]=1; rez[i]=1+rez[i+1]; obl[rez[i]]=s[i];}else rez[i]=rez[i+1]; ^ user.cpp:15:62: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(!poz[s[i]]){poz[s[i]]=1; rez[i]=1+rez[i+1]; obl[rez[i]]=s[i];}else rez[i]=rez[i+1]; ^ user.cpp:21:24: warning: array subscript has type ‘char’ [-Wchar-subscripts] { while(viz[obl[lim]])lim--; ^ user.cpp:21:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] { while(viz[obl[lim]])lim--; ^ user.cpp:22:35: warning: array subscript has type ‘char’ [-Wchar-subscripts] for(c='a';c<='z';c++)fir[c]=-1; ^ user.cpp:24:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(fir[s[j]]==-1)fir[s[j]]=j;j++;} ^ user.cpp:24:35: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(fir[s[j]]==-1)fir[s[j]]=j;j++;} ^ user.cpp:26:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(fir[c]!=-1 && !viz[c])break; ^ user.cpp:26:36: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(fir[c]!=-1 && !viz[c])break; ^ user.cpp:29:15: warning: array subscript has type ‘char’ [-Wchar-subscripts] viz[c]=1; ^ user.cpp:30:17: warning: array subscript has type ‘char’ [-Wchar-subscripts] j=fir[c]+1; ^ user.cpp:11:8: warning: unused variable ‘vf’ [-Wunused-variable] {int i,vf,n; ^ user.cpp:17:9: warning: unused variable ‘st’ [-Wunused-variable] int j=0,st; ^