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while..do
Program HOC24;
var i,n: integer;
t: longint;
begin
write('Nhap N: '); readln(n);
t:=1; i:=1;
while i<=n do
begin
t:=t*i;
i:=i+1;
end;
write('T = ',t);
readln
end.
var n:integer;
begin
write('Nhap n: '); readln(n);
if (n mod 3 =0) then
write(n,' chia het cho 3')
else
write(m,' k chia het cho 3');
readln;
end.
#include <bits/stdc++.h>
using namespace std;
long long x,n,i,t;
int main()
{
cin>>n;
t=0;
for (i=1;i<=n; i++)
{
cin>>x;
if (x%3==0) t+=x;
}
cout<<t;
return 0;
}
Câu 2:
#include <bits/stdc++.h>
using namespace std;
long long a,b;
int main()
{
cin>>a>>b;
cout<<a*b;
return 0;
}
câu 1:
uses crt;
var p,i:integer;
begin
clrscr;
p:=1;i:=1;while i<=5 do
begin
p:=p*i;i:=i+1;
end;
write(p);
readln;
end.
bai 2:
uses crt;var p,i:integer;begin clrscr; p:=1; i:=0; while i <=10 do begin
i:=i+1; if (i mod 2<>0) then p:=p*i; end; write(p); readln;end. bai 3:
uses crt;var n,i,p:integer;begin clrscr; write('nhap n: '); readln(n); i:=1; p:=1; while i<=n do begin if i mod 2=0 then p:=p*i; i:=i+1; end; write(p); readln;end.
1.
Var i ,n : integer;
S , T : real;
Begin
Write ('n:') ;
Read (n) ;
S:= 0;
T:= 1;
For i:= 1 to n do
S:= S + i;
T:= T * i;
Writeln (' Tong cua ' ,n,' , S );
Writeln (' Tich của ' ,n,', T );
Readln;
End.
2.
program SumAndProductOfNumbers;
var
n, m, i, sum, product: integer;
begin
writeln('Enter the values of n and m: ');
readln(n, m);
sum := 0;
product := 1;
for i := n to m do
begin
sum := sum + i;
product := product * i;
end;
writeln('The sum of numbers from ', n, ' to ', m, ' is: ', sum);
writeln('The product of numbers from ', n, ' to ', m, ' is: ', product);
end.
Program Dien_tich_tam_giac;
Var
a,b,c:Integer;
p,s:Real;
Begin
Writeln('DIEN TICH TAM GIAC');
Writeln('------------------');
Write('-Nhap so thu nhat: ');
Readln(a);
Write('-Nhap so thu hai : ');
Readln(b);
Write('-Nhap so thu ba : ');
Readln(c);
If (a+b>c) And (b+c>a) And (c+a>b) Then
Begin
Writeln('+Dung la Tam giac');
p:=0.5*(a+b+c);
s:=Sqrt(p*(p-a)*(p-b)*(p-c));
Writeln('+Dien tich= ',s:10:2);
End
Else
Writeln('+Khong phai la Tam giac');
Writeln;
Writeln(' Bam phim <Enter> de ket thuc');
Readln
End.


#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;
}