This problem needs improvement.
FIRST: the Problem Statement is badly flawed. The starting matrix which is presented appears to contain zero for all entries in the first two rows, although apparently this is not what was intended (according to the Test Suite). SECOND: the Test Suite explicitly contains the solution, and there is only one test case. Asking people not to look is futile. Test Suites should be constructed with multiple cases by generalising the Problem Statement (e.g. allowing different numbers of rows in the starting matrix). See Problem 44616 for further discussion. —DIV
Back and Forth Rows
03 - Matrix Variables 4
Compare two input matrices
Sum of series III
Basics: counting digits of a number irrespective of the sign
find number of times of occurrence of the most frequent number in a row vector
Remove white spaces at the end of the input string
Basic Quadratic Equation
Nth root of a number
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