Bài 1:

Uses crt;

var i,n,j:integer;

     a,b,c:array[1..100000] of integer;

Begin

clrscr;

readln(n);

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

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

j:=0;

for i:= 1 to n do 

  Begin

  inc(j);

  c[j] := a[i];

  inc(j);

  c[j] := b[i];

  end;

for i:= 1 to j do write(c[i],'  ');

readln;

end. 

giúp mình với

uses crt;

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

i,n,max:integer;

begin

clrscr;

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

for i:=1 to n do 

begin

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

end;

max:=a[1];

for i:=1 to n do 

  if max<a[i] then max:=a[i];

writeln('Gia tri lon nhat la: ',max);

write('Vi tri la: ');

for i:=1 to n do 

  if max=a[i] then write(i:4);

readln;

end.

uses crt;

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

i,n,dem,k:integer;

begin

clrscr;

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

for i:=1 to n do 

  begin

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

end;

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

dem:=0;

for i:=1 to n do 

  if a[i]=k then inc(dem);

writeln('Trong day co ',dem,' phan tu co gia tri bang ',k);

readln;

end.

uses crt;
var A : array [1 .. 10] of integer;
i, n, d : integer;
begin
clrscr;
d := 0;
write('Nhap so luong phan tu : '); readln(n);
for i := 1 to n do
    begin
        write('Nhap so thu ', i ,' : ');
        readln(A[i]);
        if A[i] mod 2 = 0 then 
            d := d + 1;
    end;
write('Cac phan tu vua nhap : ');
for i := 1 to n do write(A[i],' ');
writeln; write('Day co ', d ,' so chan ');
readln
end.

Program bt;

Uses crt;

Var a:array [1..1000] of integer;

         n,i: integer;

Begin

Write( 'Moi 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( 'Cac so chan la',a[i]);

     Readln;

End.

uses crt;
var A : array [1 .. 10] of integer;
i, n, d : integer;
begin
clrscr;
d := 0;
write('Nhap so luong phan tu : '); readln(n);
for i := 1 to n do
    begin
        write('Nhap so thu ', i ,' : ');
        readln(A[i]);
        if A[i] mod 2 = 0 then 
            d := d + 1;
    end;
write('Cac phan tu vua nhap : ');
for i := 1 to n do write(A[i],' ');
writeln; write('Day co ', d ,' so chan ');
readln
end.