From e1e872380e4f9fa93102f7a4e162201cd47d6a8a Mon Sep 17 00:00:00 2001
From: wolves <yangwolves@foxmail.com>
Date: Fri, 20 Feb 2026 00:37:14 +0800
Subject: [PATCH] 190, 3379, 693

---
 26/02/190.go | 16 ++++++++++++++++
 26/02/693.go |  6 ++++++
 2 files changed, 22 insertions(+)
 create mode 100644 26/02/190.go
 create mode 100644 26/02/693.go

diff --git a/26/02/190.go b/26/02/190.go
new file mode 100644
index 0000000..9193c4a
--- /dev/null
+++ b/26/02/190.go
@@ -0,0 +1,16 @@
+package A
+
+import "math/bits"
+
+func reverseBits(n int) int {
+	res := 0
+	for i := 0; i < 32; i++ {
+		res = (res << 1) | (n & 1)
+		n >>= 1
+	}
+	return res
+}
+
+func reverseBits2(n int) int {
+	return int(bits.Reverse32((uint32(n))))
+}
diff --git a/26/02/693.go b/26/02/693.go
new file mode 100644
index 0000000..704304c
--- /dev/null
+++ b/26/02/693.go
@@ -0,0 +1,6 @@
+package A
+
+func hasAlternatingBits(n int) bool {
+	n = n ^ (n >> 1)
+	return n&(n+1) == 0
+}