number-of-1-bits 풀이 추가

junzero741 · junzero741 · commit 955cce81aa6b · 2026-03-18T09:15:36.000+09:00
diff --git a/number-of-1-bits/junzero741.ts b/number-of-1-bits/junzero741.ts
@@ -0,0 +1,13 @@
+// TC: O(log n)
+// SC: O(1)
+function hammingWeight(n: number): number {
+    const binary = n.toString(2);
+    let bits = 0;
+    for(let i = 0; i < binary.length; i++) {
+        if(binary[i] === '1') {
+            bits++;
+        }
+    }
+
+    return bits;
+};
