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It evaluates the expression inside the () from left to right. So it first tries to do ar[k], where k is -1 and it gets an Index Out of Bounds Exception. To fix it, you can change it to
while(k>=0&&ar[k]>temp)
Now, it will check for k >= 0 first. If it's not greater than 0, the next expression (to the right of &&) will not evaluate.
Insertion Sort - Part 2
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Test cases 1,2and4. Input of test case 1 being: 9 9 8 6 7 3 5 4 1 2
Hi. The problem is with this line of your code:
It evaluates the expression inside the () from left to right. So it first tries to do ar[k], where k is -1 and it gets an Index Out of Bounds Exception. To fix it, you can change it to
Now, it will check for k >= 0 first. If it's not greater than 0, the next expression (to the right of &&) will not evaluate.
This is called short circuit evaluation
HackerRank solutions.
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