lỗi r

xl bây h nó ms hiện ảnh

uses crt;

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

i,n,dem:integer;

begin

clrscr;

readln(n);

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

dem:=0;

for i:=1 to n do

if a[i] mod 2=0 then dem:=dem+1;

writeln(dem);

readln;

end.

B

C

C

D

A

B

A

C

A

D

Đề có yêu cầu thêm gì không bạn?

uses crt;

const fi='dulieu.txt';

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

i,n,t:integer;

f1:text;

begin

clrscr;

assign(f1,fi); reset(f1);

n:=0;

while not eof(f1) do 

begin

n:=n+1;

readln(f1,a[n]);

end;

t:=0;

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

writeln(t);

close(f1);

readln;

end.

#include <bits/stdc++.h>

using namespace std;

long long a[1000],n,i;

int main()

{

cin>>n;

for (i=1; i<=n; i++) cin>>a[i];

for (i=1; i<=n; i++)

if (a[i]%2==0) cout<<a[i]<<" ";

for (i=1; i<=n; i++)

if (a[i]%2!=0) cout<<a[i]<<" ";

return 0;

}

#include <bits/stdc++.h>

using namespace std;

long long a,b;

int main()

{

freopen("songuyen.inp","r",stdin);

freopen("ketqua.out","w",stdout);

cin>>a>>b;

cout<<a+b<<endl;

cout<<a-b<<endl;

cout<<a*b<<endl;

cout<<a/b;

return 0;

}

uses crt;

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

i,n,t,t1,dem:integer;

begin

clrscr;

readln(n);

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

t:=0;

for i:=1 to n do

if a[i]>0 then t:=t+a[i];

t1:=0;

for i:=1 to n do 

  if (a[i]>0) and (a[i] mod 2<>0) then t1:=t1+a[i];

dem:=0;

for i:=1 to n do 

  if a[i]>0 then dem:=dem+1;

writeln(t);

writeln(t1);

writeln(dem1);

readln;

end.

#include <bits/stdc++.h>

using namespace std;

long long a,b;

int main()

{

cin>>a>>b;

cout<<(a+b)*2<<endl;

cout<<a*b;

return 0;

}