you give integer array digit element digit the array contain duplicatesyou need find unique integer follow give requirementsthe integer consist concatenation element digit arbitrary orderthe integer lead zerosThe integer evenfor example give digit 1 2 3 integer 132 312 follow requirementsreturn sorted array unique integer Example 1input digit 2130output 102120130132210230302310312320explanation all possible integer follow requirement output array Notice odd integer integer lead zerosexample 2input digit 22882output 222228282288822828882explanation the digit time appear digit in example digit 8 twice time 288 828 882 example 3input digit 375output Explanation no integer form give digit Constraints3 digitslength 1000 digitsi 9