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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. int a = 1, b = 1, i;
  5.  
  6. for(i = 0; i < 20; i++) {
  7. printf("%d %d ", a, b);
  8. a += b;
  9. b += a;
  10. }
  11. return 0;
  12. }
  13.  
Success #stdin #stdout 0s 2052KB
stdin
Standard input is empty
stdout
1 1 2 3 5 8 13 21 34 55 89 144 233 377 610 987 1597 2584 4181 6765 10946 17711 28657 46368 75025 121393 196418 317811 514229 832040 1346269 2178309 3524578 5702887 9227465 14930352 24157817 39088169 63245986 102334155