program in_khac; uses crt; var A:array[1..1000] of integer; n,i,j,tg:integer; begin clrscr; write('Nhap n: '); readln(n); for i:=1 to n do begin write('Nhap so thu ',i,': '); readln(A[i]); end; for i:=1 to n-1 do for j:=i+1 to n do if A[i]>A[j] then begin tg:=A[i]; A[i]:=A[j]; A[j]:=tg; end; write('Cac gia tri khac nhau la: '); for i:=1 to n do if A[i]<>A[i+1] then write(A[i],' '); readln; end.
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