Question

Cho mang 1 chieu gom cac phan tu nguyen. Viet chuong trinh nhap gtri cho tung phan tu. Ddeems va hien ra nhung phan tu co gtri \(⋮\) 3.

Answer 1

uses crt;

var a:array[1..100]of integer;

i,n,dem:integer;

begin

clrscr;

write('Nhap n='); readln(n);

for i:=1 to n do 

begin

write('A[',i,']='); readln(a[i]);

end;

dem:=0;

for i:=1 to n do 

  if a[i] mod 3=0 then 

begin

inc(dem);

write(a[i]:4);

end;

writeln;

writeln('So phan tu chia het cho 3 la: ',dem);

readln;

end.