diff --git a/src/main/java/com/fishercoder/solutions/_693.java b/src/main/java/com/fishercoder/solutions/_693.java
index 397733dd1a..093b85740c 100644
--- a/src/main/java/com/fishercoder/solutions/_693.java
+++ b/src/main/java/com/fishercoder/solutions/_693.java
@@ -31,13 +31,20 @@
*/
public class _693 {
- public boolean hasAlternatingBits(int n) {
- String binaryStr = Integer.toBinaryString(n);
- for (int i = 1; i < binaryStr.length(); i++) {
- if (binaryStr.charAt(i - 1) == binaryStr.charAt(i)) {
- return false;
+ public static class Solution1 {
+ public boolean hasAlternatingBits(int n) {
+ String binaryStr = Integer.toBinaryString(n);
+ for (int i = 1; i < binaryStr.length(); i++) {
+ if (binaryStr.charAt(i - 1) == binaryStr.charAt(i)) {
+ return false;
+ }
}
+ return true;
+ }
+ }
+ public static class Solution2 {
+ public boolean hasAlternatingBits_oneline(int n) {
+ return Integer.bitCount(((n >> 1) ^ n) + 1) == 1;
}
- return true;
}
}
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