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  1. #include <stdio.h>
  2. int main ()
  3. {
  4. int idx; /* loop index */
  5.  
  6. printf ("Incrementing; \n");
  7. for ( idx = 1; idx <= 10; ++idx )
  8. {
  9. printf ( "...%i", idx );
  10. }
  11.  
  12. printf ("\n\nDecrementing:\n");
  13. for ( idx = 20; idx >= 1; --idx)
  14. {
  15. printf ( "...%i", idx );
  16. }
  17.  
  18. return (0);
  19.  
  20. }
Success #stdin #stdout 0.01s 5292KB
stdin
Standard input is empty
stdout
Incrementing; 
...1...2...3...4...5...6...7...8...9...10

Decrementing:
...20...19...18...17...16...15...14...13...12...11...10...9...8...7...6...5...4...3...2...1