give integer array arr1 arr2 return minimum number operation possibly zero need arr1 strictly increasingIn operation choose index 0 arr1length 0 j arr2length assignment arr1i arr2jif way arr1 strictly increase return 1 Example 1input arr1 15367 arr2 1324output 1explanation replace 5 2 arr1 1 2 3 6 7example 2input arr1 15367 arr2 431output 2explanation replace 5 3 replace 3 4 arr1 1 3 4 6 7example 3input arr1 15367 arr2 1633output 1explanation you can not arr1 strictly increase Constraints1 arr1length arr2length 20000 arr1i arr2i 109