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authorYuqian Yang <crupest@crupest.life>2025-02-12 15:55:21 +0800
committerYuqian Yang <crupest@crupest.life>2025-02-12 16:04:50 +0800
commit93ea69f427e3d8165d34bd6ca7b533666884f307 (patch)
tree22fcaec20fcdad22afd01c4214ca5301e304e15f /works/solutions/leetcode/cpp/22.cpp
parent1ecfd0ab7f1f511268fd6404dbc110c3c277b48c (diff)
parenteb8beb49117289ba9181cbefe647c4aa44e6a0b1 (diff)
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import(solutions): IMPORT crupest/solutions COMPLETE.
Diffstat (limited to 'works/solutions/leetcode/cpp/22.cpp')
-rw-r--r--works/solutions/leetcode/cpp/22.cpp40
1 files changed, 40 insertions, 0 deletions
diff --git a/works/solutions/leetcode/cpp/22.cpp b/works/solutions/leetcode/cpp/22.cpp
new file mode 100644
index 0000000..e9467f1
--- /dev/null
+++ b/works/solutions/leetcode/cpp/22.cpp
@@ -0,0 +1,40 @@
+#include <string>
+#include <vector>
+
+using std::string;
+using std::vector;
+
+class Solution
+{
+public:
+ static void backtrack(vector<string> &result, string &current, int left, int right, int count, int string_length)
+ {
+ if (current.length() == string_length)
+ {
+ result.push_back(current);
+ return;
+ }
+
+ if (left < count)
+ {
+ current.push_back('(');
+ backtrack(result, current, left + 1, right, count, string_length);
+ current.pop_back();
+ }
+
+ if (right < left)
+ {
+ current.push_back(')');
+ backtrack(result, current, left, right + 1, count, string_length);
+ current.pop_back();
+ }
+ }
+
+ vector<string> generateParenthesis(int n)
+ {
+ vector<string> result;
+ string current;
+ backtrack(result, current, 0, 0, n, n * 2);
+ return std::move(result);
+ }
+}; \ No newline at end of file