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  1. #include <stdio.h>
  2.  
  3. int a(int n);
  4. int b(int n);
  5.  
  6. int main(void) {
  7. 	int n;
  8.  
  9. 	scanf("%d",&n);
  10. 	printf("n = %d\n",n);
  11.  
  12. 	printf("a_%d = %d\n",n,a(n));
  13. 	printf("b_%d = %d\n",n,b(n));
  14.  
  15. 	return 0;
  16. }
  17.  
  18. int b(int n){
  19.  
  20. 	 if(n == 1){
  21. 	 	return 5;
  22. 	 }else{
  23. 	 	return b(n-1) + 6;
  24. 	 }
  25. }
  26.  
  27. int a(int n){
  28.  
  29. 	if(n == 1){
  30. 		return 2;
  31. 	}else{
  32. 		return a(n-1) + b(n-1);
  33. 	}
  34. }
  35.  
Success #stdin #stdout 0s 5292KB
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stdin
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3
stdout
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n = 3
a_3 = 18
b_3 = 17
https://ideone.com/P7oIPM
language:
C (gcc 8.3)
created:
5 days ago
visibility:
public

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