[prograsshopper] Week 8 Solution

reverse-bits/prograsshopper.java

@@ -0,0 +1,21 @@
+class Solution {
+    public int reverseBits(int n) {
+        int[] stack_n = new int[32];
+        int i = 0;
+        while(i < 32){
+            stack_n[i] = n % 2;
+            n /= 2;
+            i++;
+        }
+
+        int result = 0;
+        int scale = 1;
+
+        for(int j=31;j>0;j--){
+            result += stack_n[j] * scale;
+            scale *= 2;
+        }
+
+        return result;
+    }
+}

reverse-bits/prograsshopper.py

@@ -0,0 +1,15 @@
+class Solution:
+    def reverseBits(self, n: int) -> int:
+        stack_n = []
+        while len(stack_n) < 32:
+            stack_n.append((n % 2))
+            n //= 2
+
+        result = 0
+        scale = 1
+
+        while stack_n:
+            result += stack_n.pop() * scale
+            scale *= 2
+
+        return result