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authorcrupest <crupest@outlook.com>2021-02-23 21:07:19 +0800
committercrupest <crupest@outlook.com>2021-02-23 21:07:19 +0800
commitd8f3b40085619cb680c8f227c65a1f5acc393223 (patch)
tree6a38e3a6c79276fc396259ef962d17236dbed569 /leetcode/cpp/26.cpp
parentb0162802ad9723c678e495f29ca2f0fc0af2eff1 (diff)
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Move leetcode solutions to subdir.
Diffstat (limited to 'leetcode/cpp/26.cpp')
-rw-r--r--leetcode/cpp/26.cpp37
1 files changed, 37 insertions, 0 deletions
diff --git a/leetcode/cpp/26.cpp b/leetcode/cpp/26.cpp
new file mode 100644
index 0000000..3ee4aa7
--- /dev/null
+++ b/leetcode/cpp/26.cpp
@@ -0,0 +1,37 @@
+#include <vector>
+
+using std::vector;
+
+class Solution
+{
+public:
+ int removeDuplicates(vector<int> &nums)
+ {
+ if (nums.empty())
+ return 0;
+
+ auto iter_head = nums.cbegin();
+ auto iter = iter_head + 1;
+ int current = nums.front();
+ int count = 1;
+
+ while (iter != nums.cend())
+ {
+ const auto v = *iter;
+ if (v == current)
+ {
+ nums.erase(iter);
+ iter = iter_head + 1;
+ }
+ else
+ {
+ current = v;
+ count++;
+ iter_head = iter;
+ ++iter;
+ }
+ }
+
+ return count;
+ }
+};