[leetcode]89. Gray Code -- JavaScript 代码
2016-09-07 16:31
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/** * @param {number} n * @return {number[]} */ var grayCode = function(n) { var ret = [0]; for(var i=0 ; i<n ; i++){ var len = ret.length; for(var j=len-1 ; j>=0 ; j--){ ret.push(ret[j]+Math.pow(2,i)); } } return ret; };
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