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  1. class Ideone {
  2. public static void main (String[] args) {
  3.     int num = 1234;
  4.     int tmp = 0;
  5.     for (int column = 1; num > 0; column *= 10) {
  6.         tmp += (num % 10) * column * 2;
  7.         num /= 10;
  8.     }
  9.     System.out.println(tmp);
  10. }}
Success #stdin #stdout 0.06s 32600KB
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2468
https://ideone.com/3EHbc9
language:
Java (HotSpot 12)
created:
4 years ago
visibility:
public

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