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| author | Yuqian Yang <crupest@crupest.life> | 2025-02-12 15:55:21 +0800 |
|---|---|---|
| committer | Yuqian Yang <crupest@crupest.life> | 2025-02-12 16:04:50 +0800 |
| commit | 77e6cdc863d2cbd9df578a665804daf28d8593fe (patch) | |
| tree | 62c9f3e071d8d1d6fe125fe801907db11784332e /works/solutions/leetcode/cpp/260.cpp | |
| parent | 10eb95869601e145b1d8bc909424777c25752d51 (diff) | |
| parent | a557fa36a22c5ef4a29da596ee1e3aa10be55984 (diff) | |
| download | crupest-77e6cdc863d2cbd9df578a665804daf28d8593fe.tar.gz crupest-77e6cdc863d2cbd9df578a665804daf28d8593fe.tar.bz2 crupest-77e6cdc863d2cbd9df578a665804daf28d8593fe.zip | |
import(solutions): IMPORT crupest/solutions COMPLETE.
Diffstat (limited to 'works/solutions/leetcode/cpp/260.cpp')
| -rw-r--r-- | works/solutions/leetcode/cpp/260.cpp | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/works/solutions/leetcode/cpp/260.cpp b/works/solutions/leetcode/cpp/260.cpp new file mode 100644 index 0000000..5679d52 --- /dev/null +++ b/works/solutions/leetcode/cpp/260.cpp @@ -0,0 +1,23 @@ +#include <vector>
+#include <unordered_set>
+
+using std::vector;
+
+class Solution
+{
+public:
+ vector<int> singleNumber(vector<int> &nums)
+ {
+ std::unordered_set<int> s;
+ for (auto i : nums)
+ {
+ const auto result = s.find(i);
+ if (result == s.cend())
+ s.insert(i);
+ else
+ s.erase(result);
+ }
+
+ return vector<int>(s.cbegin(), s.cend());
+ }
+};
|