Çàäà÷à . Îòêðûòûé âàðèàíò 2022

var s, n: integer;
begin
readln(s);
s := (s – 21) div 10;
n := 1;
while s > 0 do
begin
    n := n * 2;
    s := s - n;
end;
writeln(n)
end.

s = int(input())
s = (s – 21) // 10
n = 1
while s > 0:
    n = n * 2
    s = s - n
print(n)

àëã
íà÷
öåë n, s
ââîä s
s := div((s – 21), 10)
n := 1
íö ïîêà s > 0
    n := n * 2
    s := s - n
êö
âûâîä n
êîí

#include <iostream>
using namespace std;
int main()
{
 int s, n;
 cin >> s;
 s = (s – 21) / 10;
 n = 1;
 while (s > 0)
  {n = n * 2; s = s - n;}
 cout << n << endl;
 return 0;
}