2024/12/4 灵茶题单 位运算

src/main/java/com/cool/ling_cha_mount/bit/Num3226.java

@@ -0,0 +1,7 @@
+package com.cool.ling_cha_mount.bit;
+
+public class Num3226 {
+    public int minChanges(int n, int k) {
+        return (n | k) != n ? -1 : Integer.bitCount(n ^ k);
+    }
+}