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  1. a(n){return n<3?:a(n-a(n-2))+a(n---a(n));}
  2. main(c){for(;c<21;)printf("%d %d\n",c,a(c++));}
Success #stdin #stdout 0s 2160KB
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Standard input is empty
stdout
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1 1
2 1
3 2
4 3
5 3
6 4
7 5
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12 8
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20 12
https://ideone.com/yuS2JB
language:
C (clang 8.0)
created:
7 years ago
visibility:
public

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