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g0001_0100.s0055_jump_game.readme.md Maven / Gradle / Ivy

55\. Jump Game

Medium

You are given an integer array `nums`. You are initially positioned at the array's **first index**, and each element in the array represents your maximum jump length at that position.

Return `true` _if you can reach the last index, or_ `false` _otherwise_.

**Example 1:**

**Input:** nums = [2,3,1,1,4]

**Output:** true

**Explanation:** Jump 1 step from index 0 to 1, then 3 steps to the last index. 

**Example 2:**

**Input:** nums = [3,2,1,0,4]

**Output:** false

**Explanation:** You will always arrive at index 3 no matter what. Its maximum jump length is 0, which makes it impossible to reach the last index. 

**Constraints:**

*   1 <= nums.length <= 104
*   0 <= nums[i] <= 105