From 7c60dee83b436e8e8a667bf9f191beced8de4fc3 Mon Sep 17 00:00:00 2001 From: Jack Sangdahl Date: Mon, 10 Mar 2025 00:36:13 -0600 Subject: chore: move cpp and rust code to directory --- other/jump_game3.cpp | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 other/jump_game3.cpp (limited to 'other/jump_game3.cpp') diff --git a/other/jump_game3.cpp b/other/jump_game3.cpp new file mode 100644 index 0000000..03f7d37 --- /dev/null +++ b/other/jump_game3.cpp @@ -0,0 +1,27 @@ +#include "leetcode.h" + +class Solution { +public: + bool canReach(vector &arr, int start) { + vector visited(arr.size(), false); + return dfs(arr, start, visited); + } + +private: + bool dfs(vector &arr, int curr, vector &k) { + if ((curr < 0) || (curr >= arr.size()) || k[curr]) + return false; + if (arr[curr] == 0) + return true; + k[curr] = true; + return dfs(arr, curr + arr[curr], k) || dfs(arr, curr - arr[curr], k); + } +}; + +int main() { + Solution obj; + vector arr1 = {4, 2, 3, 0, 3, 1, 2}, arr2 = {3, 0, 2, 1, 2}; + testBool(obj.canReach(arr1, 5)); // true + testBool(obj.canReach(arr1, 0)); // true + testBool(obj.canReach(arr2, 2)); // false +} -- cgit v1.2.3