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#include <bits/stdc++.h>
using namespace std;
long long n,i,x,t,dem,j;
int main()
{
cin>>n;
x=n;
t=0;
while (n>0)
{
t=t+n%10;
n=n/10;
}
cout<<t;
dem=0;
for (i=2; i<=x; i++)
{
bool kt=true;
for (j=2; j*j<=i; j++)
if (i%j==0) kt=false;
if (kt==true) dem++;
}
cout<<dem;
return 0;
}
#include <bits/stdc++.h>
using namespace std;
long n,i,dem,t;
int main()
{
cin>>n;
dem=0;
t=0;
for (i=1; i<=n;i++)
if (n%i==0)
{
dem++;
t=t+i;
}
cout<<dem<<" "<<t;
return 0;
}
Program HOC24;
var x: integer;
begin
write('Nhap so: '); readln(x);
if x div 1000=1 then write('Mot nghin ');
if x div 1000=2 then write('Hai nghin ');
if x div 1000=3 then write('Ba nghin ');
if x div 1000=4 then write('Bon nghin ');
if x div 1000=5 then write('Nam nghin ');
if x div 1000=6 then write('Sau nghin ');
if x div 1000=7 then write('Bay nghin ');
if x div 1000=8 then write('Tam nghin ');
if x div 1000=9 then write('Chin nghin ');
if x div 1000<>0 then
if x div 100=0 then write('khong tram ');
if x div 100=1 then write('mot tram ');
if x div 100=2 then write('hai tram ');
if x div 100=3 then write('ba tram ');
if x div 100=4 then write('bon tram ');
if x div 100=5 then write('nam tram ');
if x div 100=6 then write('sau tram ');
if x div 100=7 then write('bay tram ');
if x div 100=8 then write('tam tram ');
if x div 100=9 then write('chin tram ');
if (x div 1000<>0) or (x div 100<>0) then
begin
if (x div 10<>0) then
begin
if x div 10=1 then write('muoi ');
if x div 10=2 then write('hai muoi ');
if x div 10=3 then write('ba muoi ');
if x div 10=4 then write('bon muoi ');
if x div 10=5 then write('nam muoi ');
if x div 10=6 then write('sau muoi ');
if x div 10=7 then write('bay muoi ');
if x div 10=8 then write('tam muoi ');
if x div 10=9 then write('chin muoi ');
if x mod 10=1 then write('mot');
if x mod 10=2 then write('hai');
if x mod 10=3 then write('ba');
if x mod 10=4 then write('bon');
if x mod 10=5 then write('lam');
if x mod 10=6 then write('sau');
if x mod 10=7 then write('bay');
if x mod 10=8 then write('tam');
if x mod 10=9 then write('chin');
end else
begin
if x mod 10=1 then write('le mot');
if x mod 10=2 then write('le hai');
if x mod 10=3 then write('le ba');
if x mod 10=4 then write('le tu');
if x mod 10=5 then write('le nam');
if x mod 10=6 then write('le sau');
if x mod 10=7 then write('le bay');
if x mod 10=8 then write('le tam');
if x mod 10=9 then write('le chin');
end;
readln
end.
N = int(input())
A = 0
B = 0
So_uoc = 0
KQ = ""
for x in range(1, N):
if (x%2==0) and (x%3==0):
A += 1
if (x>0) and (N%x==0):
if (x>B):
B = x
for i in range(1, N+1):
if (N%i==0):
So_uoc += 1
if (So_uoc == 2):
KQ = "YES"
else:
KQ = "NO"
print(A)
print(B)
print(len(str(N)))
print(KQ)
(Chẳng biết đúng không đâu 
)
câu 1
Program Nguyen_to;
Var n,i:integer;
Function NT(n:integer):Boolean;
Var ok: Boolean;
i: integer;
Begin ok:=true;
for i:=2 to n-1 do if (n mod i)= 0 then ok:=ok and false;
if n < 2 then NT:=false else NT:=ok;
End;
Begin Write('Nhap n: ');
Readln(n); i:=n;
Repeat i:=i+1;
Until NT(i);
Write('So nguyen to nho nhat lon hon ',n, 'la: ',i);
Readln End.
câu 2
uses crt;
const so: set of char=['0','1','2','3','4','5','6','7','8','9'];
var a:array[1..100] of integer;
st,b:string;
c,l,i,n,j:integer;
s, Max: integer;
begin clrscr;
write('Nhap xau:');
readln(st);
l:=length(st);
i:=1;
n:=0;
repeat if (st[i] in so) then begin b:='';
repeat b:=b+st[i];
inc(i);
until (not(st[i] in so)) or (i>l);
inc(n);
val(b,a[n],c);
end;
inc(i);
until i>l;
Max:=a[1];
for i:=2 to n do If Max<A[i] Then Max:=A[i];
Writeln('Phan tu lon nhat cua mang:', Max);
readln;
end.
uses crt;
var i,n,t,j,kt:integer;
begin
clrscr;
readln(n);
t:=0;
for i:=2 to n do
if n mod i=0 then
begin
kt:=0;
for j:=2 to trunc(sqrt(i)) do
if i mod j=0 then kt:=1;
if kt=0 then t:=t+i;
end;
write(t);
readln;
end.
```cpp
#include <iostream>
#include <vector>
#include <algorithm>
int main() {
int n;
std::cout << "Enter the number of integers (n < 10^5): ";
std::cin >> n;
std::vector<int> numbers(n); std::cout << "Enter " << n << " integers: "; for (int i = 0; i < n; ++i) { std::cin >> numbers[i]; } int sumOfOdd = 0; for (int i = 0; i < n; ++i) { if (numbers[i] % 2 != 0) { sumOfOdd += numbers[i]; } } std::sort(numbers.begin(), numbers.end()); std::cout << "Sum of odd integers: " << sumOfOdd << std::endl; std::cout << "Sorted sequence: "; for (int i = 0; i < n; ++i) { std::cout << numbers[i] << " "; } std::cout << std::endl; return 0;
}
```
uses crt;
var n,i,dem,j,t:integer;
kt:boolean;
begin
clrscr;
readln(n);
t:=0;
for i:=2 to n do
begin
kt:=true;
for j:=2 to i-1 do
if i mod j=0 then kt:=false;
if kt=true then
begin
write(i:4);
t:=t+i;
end;
end;
writeln;
writeln(t);
readln;
end.
