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  1. #include <iostream>
  2. using namespace std;
  3. int main() {
  4.     int a, b;
  5.     cin >> a >> b;
  6.     for (int i = a; i <= b; ++i) {
  7.         if (i % 2 == 0) {
  8.             cout << i << " ";
  9.         }
  10.     }
  11.     cout << "\n";
  12.     for (int i = b; i >= a; --i) {
  13.         if (i % 2 != 0) {
  14.             cout << i << " ";
  15.         }
  16.     }
  17. 	return 0;
  18. }
  19.  
Success #stdin #stdout 0s 4372KB
comments (?)
stdin
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9 20
stdout
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10 12 14 16 18 20 
19 17 15 13 11 9
https://ideone.com/cnQnuO
language:
C++ (gcc 8.3)
created:
3 years ago
visibility:
public

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