Insertion Sort Algorithm
Its a kind of incremental insertion technique, where the algorithm build up…
May 16, 2019
This is kind of preliminary technique of sorting. And, this is the first algorithm that a beginner learns.
In this algorithm, we iterate over the array, and compare two consecutive numbers. And, if first is larger, then swap it. And, we keep on doing this till end. So, the Bubble here is the biggest element which we keep on swapping.
See the code here:
public void sort(int[] arr) {
int l = arr.length;
for (int i=0; i<l-1; i++) {
for (int j=0; j<(l-i-1); j++) {
if (arr[j] > arr[j+1]) {
//swap
int t = arr[j];
arr[j] = arr[j+1];
arr[j+1] = t;
}
}
}
}
The algorithm runs on O(n^2) in worst/average case.
Its a kind of incremental insertion technique, where the algorithm build up…
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