Create Sum of Values at Indices With K Set Bits.java

Author: varunu28

Easy/Sum of Values at Indices With K Set Bits.java

@@ -0,0 +1,8 @@
+class Solution {
+    public int sumIndicesWithKSetBits(List<Integer> nums, int k) {
+        return IntStream.range(0, nums.size())
+            .filter(idx -> Integer.bitCount(idx) == k)
+            .map(idx -> nums.get(idx))
+            .sum();
+    }
+}