LeetCode 2160. Minimum Sum of Four Digit Number After Splitting Digits
Youaregivenapositiveintegernumconsistingofexactlyfourdigits.Splitnumintotwonewintegersnew1andnew2byusingthedigitsfoundinnum.Leadingzerosareallowedinnew1andnew2,andallthedigitsfoundinnummustbeused.Fore