The second test is wrong. 4 is not < 1.
The example seems to be wrong as well. The output should be 9 (as stated in test 1 which uses the same vector), not 7.
thanks Sean and Jon for comment on problem, I have corrected the same.
this is a test case specific solution and would not work if change the test cases.
Back to basics 6 - Column Vector
Add two numbers
Are you in XY plane?
Change the first and last diagonal element of the identity matrix to zero
Find out total non zero element of matrix
Find nth maximum
Find the position of first minimum value in an integer array with numbers
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