Why testcase 3 has been failing in this code

#1

why testcase 3 has been failing in this code

#2

correct condition of while loop should be
while (left < right)
{}

otherwise your code fail this case
5
5
2
3
4
1
6
here YOUR OUTPUT
1 and 5
2 and 4
3 and 3

Correct Output
1 and 5
2 and 4

Modified code

#3

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