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Create code.js #589

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31 changes: 31 additions & 0 deletions 02. Algorithms/09. Dynamic Programming/006. House Robber II/code.js
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Original file line number Diff line number Diff line change
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/**
* @param {number[]} nums
* @return {number}
*/


var rob = function(nums) {

if(nums.length === 1) return nums[0];

let includeFirst = preRob(nums.slice(1));
let notIncludeFirst = preRob(nums.slice(0, nums.length - 1));
return Math.max(includeFirst, notIncludeFirst);

};

var preRob = function(nums) {

let rob1 = 0;
let rob2 = 0;

let temp = 0;
for(let i = 0; i < nums.length; i++) {
temp = Math.max(rob1 + nums[i], rob2);
rob1 = rob2;
rob2 = temp;
}


return rob2;
}