From dc1f0c4c0096013799416664894c5194dc7e1f52 Mon Sep 17 00:00:00 2001 From: Yuqian Yang Date: Fri, 28 Feb 2025 23:13:39 +0800 Subject: chore(store): move everything to store. --- store/works/solutions/leetcode/cpp/62.cpp | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 store/works/solutions/leetcode/cpp/62.cpp (limited to 'store/works/solutions/leetcode/cpp/62.cpp') diff --git a/store/works/solutions/leetcode/cpp/62.cpp b/store/works/solutions/leetcode/cpp/62.cpp new file mode 100644 index 0000000..744a0d3 --- /dev/null +++ b/store/works/solutions/leetcode/cpp/62.cpp @@ -0,0 +1,25 @@ +#include + +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; + } +}; -- cgit v1.2.3