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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. int a = 3;
  5. int n = 0;
  6.  
  7. while (a <= 10000) {
  8. a = 2 * a - 1;
  9. n=n+1;
  10. }
  11.  
  12. printf("%d", a);
  13.  
  14. return 0;
  15. }
  16.  
  17.  
Success #stdin #stdout 0s 5320KB
stdin
Standard input is empty
stdout
16385