routine

26/01/3315.cpp

@@ -0,0 +1,22 @@
+#include <vector>
+
+class Solution {
+public:
+    std::vector<int> minBitwiseArray(std::vector<int>& nums) {
+        std::vector<int> ans;
+        for(auto num:nums){
+            if (num == 2) {
+                ans.push_back(-1);
+                continue;
+            }
+            int temp = num;
+            int t=0;
+            while (temp & 1) {
+                t++;
+                temp >>= 1;
+            }
+            ans.push_back(num ^ (1 << (t-1)));
+        }
+        return ans;
+    }
+};