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  1. program Collatz;
  2. uses Math;
  3. var n : int64;
  4. begin
  5. 	repeat
  6. 		write ('Enter an integer greater than 1: ');
  7. 		readln(n);
  8. 	until n > 1;
  9. 	repeat
  10. 		write(n, ' ');
  11. 		n := ifthen(n mod 2 = 0, n div 2, 3 * n + 1);
  12. 	until n = 1;
  13. 	writeln(n);
  14. end.
Success #stdin #stdout 0s 5320KB
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stdin
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7
stdout
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Enter an integer greater than 1: 7 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1
https://ideone.com/I4rjlR
language:
Pascal (fpc 3.0.4)
created:
10 hours ago
visibility:
public

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