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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;
}
#include <bits/stdc++.h>
using namespace std;
long long n,i,x,dem,a;
int main()
{
cin>>n>>x;
dem=0;
for (i=1; i<=n; i++)
{
cin>>a;
if (a==x) dem++;
}
cout<<dem;
return 0;
}
uses crt;
var n,t:integer;
{------------------kiem-tra-so-nguyen-to----------------------------}
function ktnt(x:integer):boolean;
var i:integer;
kt:boolean;
begin
kt:=true;
for i:=2 to trunc(sqrt(x)) do
if x mod i=0 then
begin
kt:=false;
break;
end;
if kt=true then ktnt:=true
else ktnt:=false;
{----------------------chuong-trinh-chinh------------------------}
begin
clrscr;
t:=0;
repeat
write('Nhap n='); readln(n);
if (n mod 2=0) then t:=t+n;
until ktnt(n)=false;
writeln(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;
}
```
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 )
write('N='); readln(N);
????