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

varunu28 · web-flow · commit c21dafb08738 · 2023-09-17T09:34:14.000-07:00
diff --git a/Easy/Sum of Values at Indices With K Set Bits.java b/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();
+    }
+}
