fixed sonar

Author: javadev

src/main/java/g3601_3700/s3693_climbing_stairs_ii/Solution.java

@@ -2,7 +2,7 @@
 
 // #Medium #Biweekly_Contest_166 #2025_09_28_Time_2_ms_(100.00%)_Space_57.06_MB_(100.00%)
 
-@SuppressWarnings("unused")
+@SuppressWarnings({"unused", "java:S1172"})
 public class Solution {
     public int climbStairs(int n, int[] costs) {
         if (costs.length == 1) {

src/main/java/g3601_3700/s3695_maximize_alternating_sum_using_swaps/Solution.java

@@ -59,6 +59,7 @@ private int findRoot(int a) {
         if (a == root[a]) {
             return a;
         }
-        return root[a] = findRoot(root[a]);
+        root[a] = findRoot(root[a]);
+        return root[a];
     }
 }