program khac_0;
uses crt;
var A:array[1..200] of integer;
n,i,d:byte;
begin
clrscr;
write('Nhap N: '); readln(n);
d:=0;
for i:=1 to n do
begin
write('A[',i,']= '); readln(A[i]);
if A[i]<>0 then d:=d+1;
end;
write('Co ',d,' phan tu khac 0 trong mang');
readln;
end.