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| author | Yuqian Yang <crupest@crupest.life> | 2025-02-28 23:13:39 +0800 |
|---|---|---|
| committer | Yuqian Yang <crupest@crupest.life> | 2025-02-28 23:13:39 +0800 |
| commit | dc1f0c4c0096013799416664894c5194dc7e1f52 (patch) | |
| tree | 2f5d235f778cd720f4c39ec3e56b77ba6d99f375 /store/works/solutions/leetcode/cpp/77.cpp | |
| parent | 7299d424d90b1effb6db69e3476ddd5af72eeba4 (diff) | |
| download | crupest-dc1f0c4c0096013799416664894c5194dc7e1f52.tar.gz crupest-dc1f0c4c0096013799416664894c5194dc7e1f52.tar.bz2 crupest-dc1f0c4c0096013799416664894c5194dc7e1f52.zip | |
chore(store): move everything to store.
Diffstat (limited to 'store/works/solutions/leetcode/cpp/77.cpp')
| -rw-r--r-- | store/works/solutions/leetcode/cpp/77.cpp | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/store/works/solutions/leetcode/cpp/77.cpp b/store/works/solutions/leetcode/cpp/77.cpp new file mode 100644 index 0000000..ec09198 --- /dev/null +++ b/store/works/solutions/leetcode/cpp/77.cpp @@ -0,0 +1,45 @@ +#include <vector>
+
+using std::vector;
+
+void combine1(int start, int end, int rest_select_count, vector<int> &head, vector<vector<int>> &result)
+{
+ if (rest_select_count == 0)
+ {
+ for (int i = start; i < end; i++)
+ {
+ head.push_back(i);
+ result.push_back(head);
+ head.pop_back();
+ }
+ return;
+ }
+
+ for (int i = start; i < end - rest_select_count; i++)
+ {
+ head.push_back(i);
+ combine1(i + 1, end, rest_select_count - 1, head, result);
+ head.pop_back();
+ }
+}
+
+class Solution
+{
+public:
+ vector<vector<int>> combine(int n, int k)
+ {
+ vector<vector<int>> result;
+
+ vector<int> head;
+ combine1(1, 1 + n, k - 1, head, result);
+
+ return result;
+ }
+};
+
+int main()
+{
+ Solution s;
+ auto result = s.combine(20, 16);
+ return 0;
+}
\ No newline at end of file |