c1: 

#include <bits/stdc++.h>

using namespace std;

long long i,n,s;

int main()

{

cin>>n;

s=1;

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

cout<<s;

return 0;

}

Câu 2: 

#include <bits/stdc++.h>

using namespace std;

long long i,n,s;

int main()

{

cin>>n;

s=1;

for (i=1; i<=n; i++) if (i%2==0) s=s*i;

cout<<s;

return 0;

}

giúp em với

Câu 3:

program cauba;

int chieudai, chieurong, chuvi, dientich :real;

begin

write('Chieu dai la: '); Readln(chieudai);

write('Chieu rong la: '); Readln(chieurong);

chuvi = (chieudai + chieu rong)*2;

dientich= chieudai*chieurong;

writeln('Chu vi la: ',chuvi);

writeln('Dien tich la: ',dientich);

end.

Caua1:

program caumot;

begin

writeln('lop 8A chao ban!');

end.

Câu 2:

program cauhai;

int a,b,c :real;

begin

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

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

c= a+b;

write('Tong hai so a b la:',c);

end.

2:

#include <bits/stdc++.h>

using namespace std;

long long n,i;

int main()

{

cin>>n;

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

if (n%i==0) cout<<i<<" ";

return 0;

}

Câu 1:

ho_ten = input("Nhập họ tên: ")

tach_ho_ten = ho_ten.split()

if len(tach_ho_ten) > 1:

     ten = tach_ho_ten[-1]

     print("Tên của bạn là:", ten)

else:

     print("Nhập sai định dạng họ tên")

Câu 2: 

s = input("Nhập xâu: ")

hoa = s.upper()

print(hoa)

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.

1:

uses crt;

var t,x,i,n:integer;

begin

clrscr;

t:=0;

n:=10;

for i:=1 to n do

begin

readln(x);

t:=t+x;

end;

write(t);

readln;

end.

2: 

uses crt;

var dem,x,i,n:integer;

begin

clrscr;

dem:=0;

n:=10;

for i:=1 to n do

begin

readln(x);

if x mod 2=0 then inc(dem);

end;

write(dem);

readln;

end.

3

program Cacsole;
uses crt;
var M, N, i: integer;
begin
clrscr;
write ('Nhap M= '); readln(M);
write ('Nhap N= '); readln(N);
for i := M to N do

if  i mod 2 = 1 then
write (i,' ');
readln;
end.

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.

Câu 1: 

uses crt;

var a:array[1..5]of integer;

max,i:integer;

begin

clrscr;

for i:=1 to 5 do 

  begin

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

end;

max:=a[1];

for i:=1 to 5 do 

  if max<a[i] then max:=a[i];

writeln(max);

readln;

end.

Câu 2: 

uses crt;

var a:array[1..6]of integer;

min,i:integer;

begin

clrscr;

for i:=1 to 6 do 

  begin

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

end;

min:=a[1];

for i:=1 to 6 do 

  if min>a[i] then min:=a[i];

writeln(min);

readln;

end.