Similar to the first and second pass, passes keep bubbling up largest elements to the right while the size of the unsorted list keeps reducing.Īfter exactly n-1 passes the list is considered to be sorted as all the elements are now in their correct position. The second-last element(101) is the second largest at the end of the second pass now. The second pass ends at this point as the last element(1000) was already marked as greatest in the first pass. We again start from left and move to the right – Note that the largest element in the list(1000) has bubbled to the rightmost and correct place. The various comparisons that happen in the first pass are – You will see it in action when I show you the code in Python, C++, and Java. To implement a bubble sort algorithm, developers often write a function, and then a loop within a loop inner loop and outer loop. Lets start with the first pass from left to right in the list. Java Code Example of Bubble Sort Algorithm C++ Code Example of Bubble Sort Algorithm Final Thoughts How the Bubble Sort Algorithm Works.
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