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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5.   // Input
  6.   int a, b;
  7.   cin >> a >> b;
  8.  
  9.   // Process -> Output
  10.   if (a > b) swap(a, b);
  11.  
  12.   int tmp = a / 3;
  13.   if (a % 3 != 0) ++tmp;
  14.   a = tmp*3;
  15.  
  16.   for (int i = a; i <= b; i += 3)
  17.     cout << i << ' ';
  18.  
  19.   return 0;
  20. }
  21.  
Success #stdin #stdout 0.01s 5288KB
comments (?)
stdin
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3 100
stdout
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3 6 9 12 15 18 21 24 27 30 33 36 39 42 45 48 51 54 57 60 63 66 69 72 75 78 81 84 87 90 93 96 99
https://ideone.com/0nBxcy
language:
C++14 (gcc 8.3)
created:
6 days ago
visibility:
public

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