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  1. #include <stdio.h>
  2. int hoge(int n){
  3. if(n<0)
  4. return 0;
  5. else if(n==1)
  6. return 1;
  7. else{
  8. 	return 4*hoge(n-1)+3*hoge(n-2);
  9. }
  10. }
  11. int main(){
  12. printf("%d",hoge(3));
  13. return 0;
  14. }
Success #stdin #stdout 0s 5312KB
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19
https://ideone.com/1o6RCJ
language:
C (gcc 8.3)
created:
7 days ago
visibility:
public

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