Câu 1:

Program HOC24;

var i,p: integer;

t: longint;

begin

write('Nhap P: '); readln(p);

t:=0;

for i:=1 to p do if i mod 2<>0 then t:=t+i;

write('Tong cac so le la: ',t);

readln

end.

Câu 2:

Program HOC24;

var i,n: integer;

t: longint;

begin

write('Nhap N: '); readln(n);

t:=0;

for i:=1 to n do if i mod 2=0 then t:=t+i;

write('Tong cac so chan la: ',t);

readln

end.

Câu 3:

Program HOC24;

var i,t,n: integer;

begin

write('Nhap N: '); readln(n);

t:=0;

for i:=1 to n do if n mod i=0 then t:=t+i;

write('Tong cac uoc cua ',n,' la: ',t);

readln

end.

#include <bits/stdc++.h>

using namespace std;

long long x,y;

int main()

{

cin>>x>>y;

swap(x,y);

cout<<x<<" "<<y;

return 0;

}

program bai1;

uses crt;

var a,b: integer;

begin

clrscr;

write('nhap so a ='); readln(a);

write('nhap so b ='); readln(b);

writeln(' hai so vua nhap la so: ' ,a,' va ',b);

if a> b then writeln('so lon nhat la : ' ,a) else

writeln('so lon nhat la : ' ,b);

readln;

end.

program ho_tro;

uses crt;

var a,b,max: real;

begin

clrscr;

writeln(' nhap a va b:'); readln(a,b);

max:=a;

max:=b;

if  max<a then max:=a;

if max<b then max:=b;

writeln(' so lon nhat la :',max);

readln;

end.

lần sau nếu có hỏi j về tin thì qua bên h mik sẽ giúp

1. Uses crt;

var n,i: integer;

begin clrscr;

readln(n);

for i:=1 to n do write(i:3);

readln;

end.

2. Uses crt;

var n,i: integer;

begin clrscr;

readln(n);

for i:=1 to n do if(i mod 2 = 0) then write(i:3);

readln;

end.

1. Uses crt;

var n,i: integer;

begin clrscr;

readln(n);

for i:=1 to n do write(i:3);

readln;

end.

2. Uses crt;

var n,i: integer;

begin clrscr;

readln(n);

for i:=1 to n do if(i mod 2 = 0) then write(i:3);

readln;

end.

1.

program InDaySoTuNhien;
var n, i: integer;
begin
   write('Nhap so nguyen duong n: ');
   readln(n);

   writeln('Day so tu 1 den ', n, ' la:');
   for i := 1 to n do
      write(i, ' ');
end.

2.

program InSoChan;
var
   n, i: integer;
begin
   write('Nhap so nguyen n: ');
   readln(n);

   writeln('Cac so nguyen chan trong khoang tu 1 den ', n, ' la:');
   for i := 1 to n do
   begin
      if i mod 2 = 0 then
         write(i, ' ');
   end;
end.

#include <bits/stdc++.h>

using namespace std;

int A[1000],n,i;

int main()

{

cin>>n;

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

sort(A+1,A+n+1);

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

cout<<A[i]<<" ";

cout<<endl;

for (int i=2; i<=n; i++)

cout<<A[i]-A[i-1]<<endl;

return 0;

}

#include <bits/stdc++.h>

using namespace std;

long long a,b,s,p;

int main()

{

cin>>a>>b;

s=a+b;

p=a*b;

cout<<"Tong la:"<<s<<endl;

cout<<"Tich la:"<<p;

return 0;

}

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

i,n:integer;

Begin

Write('n = ');readln(n);

For i:=1 to n do

Begin

Write('Nhap so thu ',i,' = ');readln(a[i]);

End;

Write('Cac so vua nhap la ');

For i:=1 to n do write(a[i]:8);

Readln

End.