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Interpolation Search with Javascript
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/* | |
---- | |
Best Case:1 | |
Worst Case:√n(karekök n) | |
Average Case:log(logn) | |
Unsuccessful:√n | |
----- | |
mid = Lo + ((Hi - Lo) / (A[Hi] - A[Lo])) * (X - A[Lo]) | |
where − | |
A = list | |
Lo = Lowest index of the list | |
Hi = Highest index of the list | |
A[n] = Value stored at index n in the list | |
*/ | |
(function () { | |
let arr=[1,12,13,14,15],val=14; | |
function interpolation_search(array,value){ | |
let low=0,high=array.length-1,index; | |
while(low<=high){ | |
let mid=low+Math.floor(((high-low)/(array[high]-array[low]))*(value-array[low])); | |
if(array[mid]==value){ | |
index=mid; | |
break; | |
} | |
else{ | |
if(array[mid]<value){ | |
low=mid+1; | |
} | |
else{ | |
high=mid-1; | |
} | |
} | |
} | |
if(typeof index!=="undefined"){ | |
return "bulunan değer indexi:"+index; | |
} | |
return "değer bulunamadi"; | |
} | |
console.log(interpolation_search(arr,val)); | |
})(); |
Author
alpgul
commented
Mar 22, 2018
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