```
class Solution {
public boolean splitArraySameAverage(int[] A) {
final int n = A.length;
final int sum = Arrays.stream(A).sum();
if (!isPossible(sum, n))
return false;
List<Set<Integer>> sums = new ArrayList<>();
for (int i = 0; i < n / 2 + 1; ++i)
sums.add(new HashSet<>());
sums.get(0).add(0);
for (final int a : A)
for (int i = n / 2; i > 0; --i)
for (final int num : sums.get(i - 1))
sums.get(i).add(a + num);
for (int i = 1; i < n / 2 + 1; ++i)
if (i * sum % n == 0 && sums.get(i).contains(i * sum / n))
return true;
return false;
}
private boolean isPossible(int sum, int n) {
for (int i = 1; i < n / 2 + 1; ++i)
if (i * sum % n == 0)
return true;
return false;
}
}
```

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