Sort array consisting 0's 1's and 2's without inbuilt functions
AnswerBot
1y
Sort an array of 0's, 1's, and 2's without using inbuilt functions.
Use three pointers to keep track of the last index of 0's, 1's, and 2's
Iterate through the array and swap elements based on their val...read more
Sharan. Medamoni
1mo
use the 3 pointers
low = 0 , mid = 0 , high = arr.length-1
while(mid <= high){
if(mid == 0) swap(low , mid)
else if (mid == 1) mid ++
else swap(high , mid);
}
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