| # | Title | Solutions | Video | Difficulty | Tag

|-----|----------------|---------------|--------|-------------|-------------

|2164|[Sort Even and Odd Indices Independently](https://leetcode.com/problems/sort-even-and-odd-indices-independently/)|[Java](../master/src/main/java/com/fishercoder/solutions/_2164.java)||Easy||

|2161|[Partition Array According to Given Pivot](https://leetcode.com/problems/partition-array-according-to-given-pivot/)|[Java](../master/src/main/java/com/fishercoder/solutions/_2161.java)||Medium||

|2160|[Minimum Sum of Four Digit Number After Splitting Digits](https://leetcode.com/problems/minimum-sum-of-four-digit-number-after-splitting-digits/)|[Java](../master/src/main/java/com/fishercoder/solutions/_2160.java)||Easy||

|2156|[Find Substring With Given Hash Value](https://leetcode.com/problems/find-substring-with-given-hash-value/)|[Java](../master/src/main/java/com/fishercoder/solutions/_2156.java)||Medium||

packagecom.fishercoder.solutions;

importjava.util.ArrayList;

importjava.util.Collections;

importjava.util.List;

publicclass_2164 {

publicstaticclassSolution1 {

publicint[]sortEvenOdd(int[]nums) {

List<Integer>odds =newArrayList<>();

List<Integer>evens =newArrayList<>();

for (inti =0;i <nums.length;i++) {

if (i %2 ==0) {

evens.add(nums[i]);

}else {

odds.add(nums[i]);

}

}

Collections.sort(odds,Collections.reverseOrder());

Collections.sort(evens);

int[]ans =newint[nums.length];

for (inti =0,j =0,k =0;i <nums.length;i++) {

if (i %2 ==0) {

ans[i] =evens.get(j++);

}else {

ans[i] =odds.get(k++);

}

}

returnans;

}

}

}