Question

Giúp vs ạ mik rất gấp

Answer 1

uses crt;

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

i,n,t,dem:integer;

begin

clrscr;

readln(n);

for i:=1 to n do readln(a[i]);

dem:=0;

t:=0;

for i:=1 to n do 

begin

if a[i] mod 3=0 then dem:=dem+1;

end;

for i:=1 to n do t:=t+a[i];

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

writeln('Tong cac so la: ',t);

readln;

end.