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  1. #include <stdio.h>
  2. //課題3
  3. //rec内を完成させてください
  4.  int rec(int n){
  5. if(n==0){
  6. return 3;
  7. }
  8. else if(n==1){
  9. return 0;
  10. }
  11. else if(n==2){
  12. return 2;
  13. }
  14. else{
  15.  return rec(n-3)+rec(n-2);
  16. }
  17. }
  18.  
  19. int main(void) {
  20.     int n = 50; 
  21.     for(int i = 1; i <= n; i++){
  22.        if(rec(i)%i==0){
  23.         printf("%d, ", i);
  24.     }
  25.     }
  26. 	return 0;
  27. }
  28.  
  29.  
Success #stdin #stdout 0.02s 5284KB
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stdin
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Standard input is empty
stdout
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1, 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47,
https://ideone.com/B0ZICC
language:
C (gcc 8.3)
created:
73 days ago
visibility:
public

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