Program HOC24;

var a: array[1..32000] of integer;

i,n: integer;

begin

write('Nhap so phan tu cua mang: '); readln(n);

for i:=1 to n do

begin

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

end;

write('Mang vua nhap: '); 

for i:=1 to n do write(a[i],' ');

writeln;

write('Cac so chan trong mang la: ');

for i:=1 to n do if a[i] mod 2=0 then write(a[i],' ');

writeln;

write('Cac so chinh phuong trong mang la: ');

for i:=1 to n do if if sqr(trunc(sqrt(a[i])))=a[i] then write(a[i],' ');

readln

end.

#include <bits/stdc++.h>

using namespace std;

long long a[1000],n,i,dem,t,j,t1;

int main()

{

cin>>n;

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

for (i=1; i<=n; i++) cout<<a[i]<<" ";

cout<<endl;

dem=0;

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

{

t=0;

for (j=1; j<=a[i]-1; j++)

if (a[i]%j==0) t+=j;

if (t==a[i]) dem++;

}

cout<<dem<<endl;

t1=0;

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

if (a[i]%2==0) t1+=a[i];

cout<<t1;

return 0;

}

#include <bits/stdc++.h>

using namespace std;

long long a[1000],n,i,dem,t,j,t1;

int main()

{

cin>>n;

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

for (i=1; i<=n; i++) cout<<a[i]<<" ";

cout<<endl;

dem=0;

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

{

t=0;

for (j=1; j<=a[i]-1; j++)

if (a[i]%j==0) t+=j;

if (t==a[i]) dem++;

}

cout<<dem<<endl;

t1=0;

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

if (a[i]%2==0) t1+=a[i];

cout<<t1;

return 0;

}

#include <bits/stdc++.h>

using namespace std;

long long a[1000],n,i,dem,t,j,t1;

int main()

{

cin>>n;

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

for (i=1; i<=n; i++) cout<<a[i]<<" ";

cout<<endl;

dem=0;

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

{

t=0;

for (j=1; j<=a[i]-1; j++)

if (a[i]%j==0) t+=j;

if (t==a[i]) dem++;

}

cout<<dem<<endl;

t1=0;

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

if (a[i]%2==0) t1+=a[i];

cout<<t1;

return 0;

}

Bài 1: 

uses crt;

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

i,n:integer;

begin

clrscr;

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

for i:=1 to n do 

  begin

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

end;

for i:=1 to n do 

  if a[i] mod 2<>0 then write(a[i]:4);

readln;

end.

Bài 2: 

uses crt;

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

i,n:integer;

begin

clrscr;

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

for i:=1 to n do 

  begin

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

end;

for i:=1 to n do

  if a[i] mod 2=0 then write(a[i]:4);

readln;

end.

Bài 3: 

uses crt;

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

i,n,t:integer;

begin

clrscr;

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

for i:=1 to n do 

  begin

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

end;

t:=0;

for i:=1 to n do 

  if a[i] mod 2<>0 then t:=t+a[i];

writeln(t);

readln;

end.

#include <bits/stdc++.h>

using namespace std;

long long n,i,a[10000];

int main()

{

cin>>n;

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

cin>>a[i];

for (i=1; i<=n; i++) cout<<a[i]<<" ";

return 0;

}

 tách ra từng câu hỏi đi bro

Câu 1: 

uses crt;

var a:array[1..200]of integer;

i,n,t:integer;

begin

clrscr;

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

for i:=1 to n do 

  begin

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

end;

t:=0;

for i:=1 to n do 

 if a[i] mod 2=0 then t:=t+a[i];

writeln(t);

readln;

end.

2:

uses crt;

var a:array[1..200]of integer;

i,n,t:integer;

begin

clrscr;

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

for i:=1 to n do 

  begin

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

end;

t:=1;

for i:=1 to n do 

  t:=t*a[i];

writeln(t);

readln;

end.

#include <bits/stdc++.h>

using namespace std;

long long n,i,x,a[1000],t;

int main()

{

cin>>n;

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

cin>>x;

t=0;

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

if (a[i]!=x) 

{

cout<<a[i]<<" ";

t+=a[i];

}

cout<<endl;

cout<<t;

return 0;

}

Bài 1: 

uses crt;

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

i,n,kt,max,x,j,tam:integer;

begin

clrscr;

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

for i:=1 to n do 

  begin

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

end;

writeln('Mang ban vua nhap la: ');

for i:=1 to n do 

  write(a[i]:4);

writeln;

for i:=1 to n-1 do 

  for j:=i+1 to n do 

if a[i]>a[j] then 

begin

tam:=a[i];

a[i]:=a[j];

a[j]:=tam;

end;

writeln('Day tang dan la: ');

for i:=1 to n do 

  write(a[i]:4);

writeln;

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

max:=0;

kt:=0;

for i:=1 to n do 

  if (a[i] mod 2=0) and (a[i]<=x) then 

   begin

  if max<a[i] then max:=a[i];

kt:=1;

end;

if kt=0 then writeln('Trong day khong co so le')

else writeln('So chan lon nhat khong vuot qua ',x,' la: ',max);

readln;

end.

6:

#include <bits/stdc++.h>

using namespace std;

int main()

{

int n,A[100],i,dem=0;

cin>>n;

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

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

if (A[i]%2!=0) dem++;

cout<<dem;

return 0;

}

5:

#include <bits/stdc++.h>

using namespace std;

int main()

{

long long n,nn=1e6,A[1000];

cin>>n;

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

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

nn=min(nn,A[i]);

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

if (nn==A[i]) cout<<i<<" ";

return 0;

}