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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	cout << __builtin_clz(1) << endl;
  6. 	cout << __builtin_clz(0) << endl;
  7. 	cout << __builtin_clz(16) << endl;
  8. 	cout << __builtin_clz(1e5 + 1) << endl;
  9. 	return 0;
  10. }
Success #stdin #stdout 0.01s 5268KB
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31
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15
https://ideone.com/aOHMCE
language:
C++14 (gcc 8.3)
created:
30 days ago
visibility:
public

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