1- 思路
贪心
- 利用
cover
记录覆盖的范围,每次覆盖范围移动一步更新 cover
并比较大小,如果可以移动则更新 cover
2- 实现
⭐55. 跳跃游戏——题解思路

class Solution {public boolean canJump(int[] nums) {int len = nums.length;int cover = nums[0];for(int i = 1 ; i < len;i++){if(--cover>=0){cover = Math.max(cover,nums[i]);}else{return false;}}return true;}
}
3- ACM 实现
public class JumpGame {private static boolean jump(int[] nums){int cover = nums[0];for(int i = 1 ; i < nums.length ; i++){if(--cover >=0){cover = Math.max(cover,nums[i]);}else {return false;}}return true;}public static void main(String[] args) {Scanner sc = new Scanner(System.in);String input = sc.nextLine();String[] parts = input.split(" ");int[] nums = new int[parts.length];for(int i = 0 ; i < parts.length;i++){nums[i] = Integer.parseInt(parts[i]);}System.out.println("结果是"+jump(nums));}
}