Merge pull request algorithm004-05#1093 from quzhen12/master

600-Week 07
JackYum · Dec 4, 2019 · c7f52ca · c7f52ca
2 parents 42f04cc + 173fef8
commit c7f52ca
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diff --git a/Week 7/id_600/LeetCode_191_600.go b/Week 7/id_600/LeetCode_191_600.go
@@ -0,0 +1,7 @@
+func hammingWeight(num uint32) int {
+    times := 0
+	for ; num != 0; times++ {
+		num &= num - 1
+	}
+	return times
+}
diff --git a/Week 7/id_600/LeetCode_231_600.go b/Week 7/id_600/LeetCode_231_600.go
@@ -0,0 +1,6 @@
+func isPowerOfTwo(n int) bool {
+    if n <= 0 {
+        return false
+    }
+    return n&(n-1) == 0
+}