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  1. #include <stdio.h>
  2. //課題3
  3. int rec(int n){
  4. //rec内を完成させてください
  5.  if(n==0){
  6.  	return 3;
  7.  }else if(n==1){
  8.  	return 0;
  9.  }else if(n==2){
  10.  	return 2;
  11.  }else{
  12.  	return rec(n-2)+rec(n-3);
  13.  }
  14. }
  15.  
  16. int main(void) {
  17.     int n = 50; 
  18.     for(int i = 1; i <= n; i++){
  19.     	if(rec(i)%i==0){
  20.         printf("a%d=%d\n, ",i,rec(i));
  21.     	}
  22.     }
  23.  
  24. 	return 0;
  25. }
  26.  
  27.  
Success #stdin #stdout 0.02s 5320KB
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stdin
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Standard input is empty
stdout
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a1=0
, a2=2
, a3=3
, a5=5
, a7=7
, a11=22
, a13=39
, a17=119
, a19=209
, a23=644
, a29=3480
, a31=6107
, a37=33004
, a41=101639
, a43=178364
, a47=549289
,
https://ideone.com/Whr6ku
language:
C (gcc 8.3)
created:
7 days ago
visibility:
public

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