you give integer array target you integer array initial size target element initially zerosIn operation choose subarray initial increment value onereturn minimum number operation form target array initialthe test case generate answer fit 32bit integer Example 1input target 12321output 3explanation we need 3 operation form target array initial array00000 increment 1 index 0 4 inclusive11111 increment 1 index 1 3 inclusive12221 increment 1 index 212321 target array formedExample 2input target 3112output 4explanation 0000 1111 1112 2112 3112example 3input target 31542output 7explanation 00000 11111 21111 31111 31222 31332 31442 31542 Constraints1 targetlength 1051 targeti 105