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December 23, 2017 05:19
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hammingWeight
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width"> | |
| <title>JS Bin</title> | |
| </head> | |
| <body> | |
| <script id="jsbin-javascript"> | |
| 'use strict'; | |
| var hammingWeight2 = function hammingWeight2(n) { | |
| var bits = 0; | |
| var mask = 1; | |
| for (var i = 0; i < 32; i++) { | |
| if ((n & mask) !== 0) { | |
| bits++; | |
| } | |
| mask <<= 1; | |
| } | |
| return bits; | |
| }; | |
| var hammingWeight1 = function hammingWeight1(n) { | |
| var count = 0; | |
| for (var i = 0; i < 32; i++) { | |
| count += (n >> i & 1) === 1 ? 1 : 0; | |
| } | |
| return count; | |
| }; | |
| console.log('hammingWeight1(20)', hammingWeight1(20)); | |
| console.log('hammingWeight2(20)', hammingWeight2(20)); | |
| </script> | |
| <script id="jsbin-source-javascript" type="text/javascript">const hammingWeight2 = n => { | |
| let bits = 0; | |
| let mask = 1; | |
| for (let i = 0; i < 32; i++) { | |
| if ((n & mask) !== 0) { | |
| bits++; | |
| } | |
| mask <<= 1; | |
| } | |
| return bits; | |
| } | |
| const hammingWeight1 = n => { | |
| let count = 0; | |
| for(let i = 0; i < 32; i++) { | |
| count += ((n >> i & 1) === 1 ? 1 : 0); | |
| } | |
| return count; | |
| }; | |
| console.log('hammingWeight1(20)', hammingWeight1(20)); | |
| console.log('hammingWeight2(20)', hammingWeight2(20));</script></body> | |
| </html> |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| 'use strict'; | |
| var hammingWeight2 = function hammingWeight2(n) { | |
| var bits = 0; | |
| var mask = 1; | |
| for (var i = 0; i < 32; i++) { | |
| if ((n & mask) !== 0) { | |
| bits++; | |
| } | |
| mask <<= 1; | |
| } | |
| return bits; | |
| }; | |
| var hammingWeight1 = function hammingWeight1(n) { | |
| var count = 0; | |
| for (var i = 0; i < 32; i++) { | |
| count += (n >> i & 1) === 1 ? 1 : 0; | |
| } | |
| return count; | |
| }; | |
| console.log('hammingWeight1(20)', hammingWeight1(20)); | |
| console.log('hammingWeight2(20)', hammingWeight2(20)); |
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