#include <bits/stdc++.h>

using namespace std;

long long a,b;

int main()

{

cin>>a>>b;

cout<<min(a,b)<<" "<<max(a,b)<<endl;

cout<<max(a,b)<<" "<<min(a,b)<<endl;

return 0;

}

Bài 2: 

#include <bits/stdc++.h>;

using namespace std;

int main();

{

long m,n;

cout<<"Nhap m="; cin>>m;

cout<<"Nhap n="; cin>>n;

cout<<m*n-2;

return 0;

}

Bài 3: 

uses crt;

const fi='teptong.txt'

var a,b:integer;

f1:text;

begin

clrscr;

assign(f1,fi); rewrite(f1);

readln(a,b);

writeln(a+b);

writeln(f1,a+b);

close(f1);

readln;

end.

program hello;

uses crt;

Var n,i,j,k: integer;

a: array[1..50] of integer;

begin;

a[1]:=k;

Readln(n);

For i:=1 to n do

Begin;

Writeln('nhap a[',i,'] '); Readln(a[i]);

End;

For i:=1 to n-1 do

For j:=i+1 to n do

If a[i]<a[j] then k:=a[j];

Writeln('gia tri lon nhat la', k);

end.

Câu 1: 

#include <bits/stdc++.h>

using namespace std;

double a,b,c;

int main()

{

cin>>a>>b>>c;

cout<<fixed<<setprecision(2)<<(a+b+c)/3;

return 0;

}

uses crt;

var a,b:integer;

begin

clrscr;

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

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

if a>b then writeln(a)

else writeln(b);

readln;

end.

uses crt;

var n,x,i,lt,gt:int64;

begin

clrscr;

readln(n);

gt:=1;

for i:=1 to n do gt:=gt*i;

writeln(gt);

readln(x);

lt:=1;

for i:=1 to x do 

lt:=lt*n;

writeln(lt);

readln;

end.

a) 

uses crt;

var a:array[1..100]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(max);

readln;

end.

b) 

uses crt;

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

i,n,min:integer;

begin

clrscr;

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

for i:=1 to n do 

  begin

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

end;

min:=a[1];

for i:=1 to n do 

 if min>a[i] then min:=a[i];

writeln(min);

readln;

end.