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package problems;

public class LeetCode45 {

public int jump(int[] nums) {

int length= nums.length;

int end=0,maxPosition=0,step=0;

for(int i=0;i<length-1;i++){

maxPosition=Math.max(maxPosition,i+nums[i]);

if(i==end){

end=maxPosition;

step++;

}

}

return step;

}

}

class LeetCode45_1 {

public int jump(int[] nums) {

int n = nums.length;

int ans = 0, begin = 0, end = 0;

while (end < n - 1) {

int temp = 0;

for (int i = begin; i <= end; i++) {

temp = Math.max(temp, i + nums[i]);

}

begin = end + 1;

end = temp;

ans ++;

}

return ans;

}

}