fork download
copy 
  1. #include <iostream>
  2. #include <vector>
  3. #include <algorithm>
  4. using namespace std;
  5.  
  6. vector<int> decimalToBiner(int angka){
  7. 	vector<int> biner;
  8.  
  9. 	if(angka == 0){
  10. 		biner.push_back(0);
  11. 		return biner;
  12. 	}
  13.  
  14. 	while(angka > 0){
  15. 		biner.push_back(angka%2);
  16. 		angka /= 2;
  17. 	}
  18.  
  19. 	reverse(biner.begin(), biner.end());
  20. 	return biner;
  21. }
  22.  
  23. int hitungNomorBit(int angka, int nomorBit){
  24. 	if(nomorBit != 1 && nomorBit != 0){
  25. 		return -1;
  26. 	}
  27.  
  28. 	vector<int> biner = decimalToBiner(angka);
  29.  
  30. 	int count = 0;
  31. 	for(int digit : biner){
  32. 		if(digit == nomorBit){
  33. 			count++;
  34. 		}
  35. 	}
  36.  
  37. 	return count;
  38. }
  39.  
  40. void tc(int angka, int nomorBit){
  41.     int count = hitungNomorBit(angka, nomorBit);
  42.     if (count == -1) cout << "null\n";
  43.     else cout << count << "\n";
  44. }
  45.  
  46. int main() {
  47. 	// int t; cin >> t;
  48. 	// while(t--){
  49. 	// 	solve();
  50. 	// }
  51.  
  52. 	tc(13, 0);  
  53. 	tc(13, 1); 
  54. 	tc(13, 2);  
  55. 	return 0;
  56. }
Success #stdin #stdout 0s 5324KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
1
3
null
https://ideone.com/KY3T4E
language:
C++14 (gcc 8.3)
created:
14 hours ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!