Given an integer n, return the corresponding ordinal number as a character string. For example,
ord(1)='1st' ord(2)='2nd' ord(3)='3rd' ord(4)='4th'
This is the dictionary definition of ordinal number, as opposed to the mathematical definition.
Return a list sorted by number of occurrences
1164 Solvers
691 Solvers
309 Solvers
155 Solvers
Back to basics 22 - Rotate a matrix
648 Solvers
Solution 1763626
Test suite does not have similar fashion output.