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| def binary_search(target, list) | |
| position = (list.count / 2).floor | |
| mid = list[position] | |
| return mid if mid == target | |
| if(mid < target) | |
| return binary_search(target, list.slice(position + 1, list.count/2)) | |
| else | |
| return binary_search(target, list.slice(0, list.count/2)) | |
| end | |
| end | |
| puts binary_search(9, [1,2,3,4,5,6,7,8,9,10]) |
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