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package class008;
public class Code01_JumpGameII {
/*
* 评测代码可以直接去leetcode搜索：Jump Game II
*
*/
public static int jump(int[] arr) {
if (arr == null || arr.length == 0) {
return 0;
}
int jump = 0;
int cur = 0;
int next = 0;
for (int i = 0; i < arr.length; i++) {
if (cur < i) {
jump++;
cur = next;
next = Math.max(next, i + arr[i]);
return jump;
