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![](https://rs.olm.vn/images/avt/0.png?1311)
uses crt;
var n,i,dem,x:integer;
begin
clrscr;
readln(n);
dem:=0;
for i:=1 to n do
begin
readln(x);
if x mod 2=0 then inc(dem);
end;
write(dem);
readln;
end.
![](https://rs.olm.vn/images/avt/0.png?1311)
Var a:array:[1..1000] of integer;
i,n,t,d:integer;
Begin
Write('n = ');readln(n);
For i:=1 to n do
Begin
Write('Nhap so thu ',i,' = ');readln(a[i]);
if (a[i] mod 2 = 0) and (a[i] mod 3 = 0) then
d:=d+1;
End;
Writeln('Co ',d,' so chia het cho 2 va 3');
For i:=1 to n do
If a[i] < a[i+1] then
begin
t:=a[i];
a[i]:=a[i+1];
a[i+1]:=t;
end;
write('Day sau khi sap xep la: ');
for i:=1 to n do
Write(a[i]:8);
Readln
End.
![](https://rs.olm.vn/images/avt/0.png?1311)
Câu 1:
uses crt;
var a:array[1..100]of integer;
i,n,t,s:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
t:=0;
s:=1;
dem:=0;
for i:=1 to n do
if a[i] mod 3=0 then
begin
inc(dem);
t:=t+a[i];
s:=s*a[i];
end;
if dem=0 then writeln('Khong co so chia het cho 3 trong day')
else begin
writeln('Tong cac so chia het cho 3 la: ',t);
writeln('Tich cac so chia het cho 3 la: ',s);
end;
readln;
end.
Câu 2:
uses crt;
var a:array[1..100]of integer;
i,n,dem,t:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
dem:=0;
t:=0;
for i:=1 to n do
if a[i] mod 2=0 then
begin
inc(dem);
t:=t+a[i];
end;
writeln('So so chan la: ',dem);
writeln('Tong cac so chan la: ',t);
readln;
end.
![](https://rs.olm.vn/images/avt/0.png?1311)
Var a:array[1..200] of integer;
i,n,dem:integer;
Begin
Write('Nhap so luong phan tu n = ');readln(n);
For i:=1 to n do
Begin
Write('Nhap phan tu thu ',i,' = ');readln(a[i]);
End;
dem:=0;
For i:=1 to n do
If a[i]>5 then dem:=dem+1;
Write('So phan tu lon hon 5 la ',dem);
Readln;
End.
![](https://rs.olm.vn/images/avt/0.png?1311)
progam bai1;
var a: array[1..32000] of integer ;
i,n,dem1,dem2 : integer ;
begin
write('n='); readln(n);
writeln('Nhap gia tri cua cac phan tu');
for i:= 1 to n do
begin
write('a[',i,']='); readln(a[i]);
end;
dem1:=0; dem2:=0;
for i:= 1 to n do
begin
if a[i]>0 then dem1:=dem1+1;
if a[i]>0 then dem1:=dem2+1;
end;
write('Cac so nguyen am trong day la:',dem1);
writeln;
write('Cac so nguyen am trong day la:',dem2);
readln;
end.
![](https://rs.olm.vn/images/avt/0.png?1311)
Program HOC24;
var a: array[1..32000] of integer;
i,n,d: integer;
begin
write('Nhap N: ');
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
write('Day vua nhap la: ');
for i:=1 to n do write(a[i],' '); writeln;
d:=0;
for i:=1 to n do if a[i]>0 then d:=d+1;
write('Co ',d,' so duong');
readln
end.
![](https://rs.olm.vn/images/avt/0.png?1311)
uses crt;
var n,i,dem:integer;
begin
clrscr;
write('Nhap n='); readln(n);
dem:=0;
for i:=1 to n do
if i mod 7=0 then inc(dem);
writeln('Co ',dem,' so chia het cho 7 trong khoang tu 1 toi ',n);
readln;
end.
![](https://rs.olm.vn/images/avt/0.png?1311)
#include <bits/stdc++.h>
using namespace std;
long long x,n,i,dem;
int main()
{
cin>>n;
dem=0;
for (i=1; i<=n; i++)
{
cin>>x;
if (x%2==0) dem++;
}
cout<<dem;
return 0;
}
Program Tin_hoc;
uses crt;
var n,i,dem:integer;
a:array[1..10000] of integer;
Begin
clrscr;
readln(n);
dem:=0;
for i:= 1 to n do
Begin
readln(a[i]);
if a[i] mod 2 = 0 then inc(dem);
end;
writeln('Day so co ',dem,' so chan');
readln;
end.