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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int fib[45];
  5.  
  6. char solve(int n, int k) {
  7. 	if (n == 0) return 'a';
  8. 	if (n == 1) return 'b';
  9. 	if (k <= fib[n - 2]) return solve(n - 2, k);
  10. 	return solve(n - 1, k - fib[n - 2]);
  11. }
  12.  
  13. int main() {
  14. 	int n, k, tests;
  15. 	fib[0] = 1;
  16. 	fib[1] = 1;
  17. 	for (int i = 2; i < 45; i++) fib[i] = fib[i - 1] + fib[i - 2];
  18. 	cin >> tests;
  19. 	while (tests--) {
  20. 		cin >> n >> k;
  21. 		cout << solve(n, k) << endl;
  22. 	}
  23. 	return 0;
  24. }
Success #stdin #stdout 0s 15232KB
comments (?)
stdin
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6
45 6
38 30
6 5
24 40
0 1
2 2
stdout
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b
a
b
b
a
b
https://ideone.com/yR0Orq
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
secret

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