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  1.  
  2. package main
  3. import (
  4. "fmt"
  5. )
  6. func e(x int) string {
  7. if x == 0 {
  8. return ""
  9. }
  10. return e(x >> 1) + string(x & 1)
  11. }
  12. func main() {
  13. var n int
  14. fmt.Scanf("%d\n", &n)
  15. fmt.Printf("%d\n", n)
  16. }
  17.  
Success #stdin #stdout 0.02s 2416KB
stdin
3
stdout
3