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Main.java
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Main.java
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package com.company;
import java.util.ArrayList;
public class Main {
public static void main(String[] args) {
// write your code here
}
public boolean kLengthApart_ArrayList(int[] nums, int k) {
ArrayList<Integer> index = new ArrayList<>();
for (int i = 0; i < nums.length; i++) {
if(nums[i] == 1)
index.add(i);
}
if(index.size() == 0) return true;
for (int i = 1; i < index.size(); i++) {
if(index.get(i) - index.get(i - 1) < k + 1)
return false;
}
return true;
}
public boolean kLengthApart(int[] nums, int k) {
int li = 0;
while(li < nums.length && nums[li] != 1)
li++;
for (int hi = li + 1; hi < nums.length; hi++) {
if(nums[hi] == 1){
if(hi - li - 1 < k)
return false;
li = hi;
}
}
return true;
}
}