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// Source : https://oj.leetcode.com/problems/jump-game/

// Author : Hao Chen

// Date : 2014-06-27

/**********************************************************************************

*

* Given an array of non-negative integers, you are initially positioned at the first index of the array.

*

* Each element in the array represents your maximum jump length at that position.

*

* Determine if you are able to reach the last index.

*

* For example:

* A = [2,3,1,1,4], return true.

*

* A = [3,2,1,0,4], return false.

*

*

**********************************************************************************/

class Solution {

public:

bool canJump(int A[], int n) {

if (n<=0) return false;

int coverPos=0;

for(int i=0; i<=coverPos && i<n; i++){

if (coverPos < A[i] + i){

coverPos = A[i] + i;

}

if (coverPos>=n-1){

return true;

}

}

return false;

}

};