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authorcrupest <crupest@outlook.com>2020-05-23 14:43:24 +0800
committercrupest <crupest@outlook.com>2020-05-23 14:43:24 +0800
commit9231bf55a11d2793bcbf14f883adc0f89a319ed6 (patch)
tree4346e6819f0846ef2b04f91b9789a25f20088130 /cpp/260-2.cpp
parentd2c6f96bb3c94869251f7a709c783fcbbf82d276 (diff)
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Add problem 260 .
Diffstat (limited to 'cpp/260-2.cpp')
-rw-r--r--cpp/260-2.cpp26
1 files changed, 26 insertions, 0 deletions
diff --git a/cpp/260-2.cpp b/cpp/260-2.cpp
new file mode 100644
index 0000000..336d9e1
--- /dev/null
+++ b/cpp/260-2.cpp
@@ -0,0 +1,26 @@
+#include <vector>
+
+using std::vector;
+
+class Solution
+{
+public:
+ vector<int> singleNumber(vector<int> &nums)
+ {
+ int diff = 0;
+ for (auto i : nums)
+ {
+ diff ^= i;
+ }
+
+ int mask = diff & (-diff);
+
+ int result = 0;
+ for (auto i : nums)
+ {
+ result ^= (i & mask) ? i : 0;
+ }
+
+ return {result, result ^ diff};
+ }
+};