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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 | 93ea69f427e3d8165d34bd6ca7b533666884f307 (patch) | |
| tree | 22fcaec20fcdad22afd01c4214ca5301e304e15f /works/solutions/leetcode/cpp/62.cpp | |
| parent | 1ecfd0ab7f1f511268fd6404dbc110c3c277b48c (diff) | |
| parent | eb8beb49117289ba9181cbefe647c4aa44e6a0b1 (diff) | |
| download | crupest-93ea69f427e3d8165d34bd6ca7b533666884f307.tar.gz crupest-93ea69f427e3d8165d34bd6ca7b533666884f307.tar.bz2 crupest-93ea69f427e3d8165d34bd6ca7b533666884f307.zip | |
import(solutions): IMPORT crupest/solutions COMPLETE.
Diffstat (limited to 'works/solutions/leetcode/cpp/62.cpp')
| -rw-r--r-- | works/solutions/leetcode/cpp/62.cpp | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/works/solutions/leetcode/cpp/62.cpp b/works/solutions/leetcode/cpp/62.cpp new file mode 100644 index 0000000..744a0d3 --- /dev/null +++ b/works/solutions/leetcode/cpp/62.cpp @@ -0,0 +1,25 @@ +#include <utility>
+
+class Solution
+{
+public:
+ // C(m + n - 2, m - 1)
+ int uniquePaths(int m, int n)
+ {
+ if (m < n)
+ std::swap(m, n);
+
+ long long result = 1;
+ for (int i = m; i <= m + n - 2; i++)
+ {
+ result *= i;
+ }
+
+ for (int i = 2; i <= n - 1; i++)
+ {
+ result /= i;
+ }
+
+ return result;
+ }
+};
|