give array arr positive integer sort strictly increase order integer kReturn kth positive integer miss array Example 1input arr 234711 k 5output 9explanation the miss positive integer 15689101213 the 5th miss positive integer 9example 2Input arr 1234 k 2output 6explanation the miss positive integer 567 the 2nd miss positive integer 6 Constraints1 arrlength 10001 arri 10001 k 1000arri arrj 1 j arrlength Follow upcould solve problem on complexity