From d757307936b0b36ea15acf71ac3773348cd681c4 Mon Sep 17 00:00:00 2001
From: SquidSpirit <squid@squidspirit.com>
Date: Sat, 16 Aug 2025 23:38:29 +0800
Subject: [PATCH] feat: add initial implementation of unique paths solution

---
 62_unique_path/Cargo.lock  |  7 +++++++
 62_unique_path/Cargo.toml  |  6 ++++++
 62_unique_path/src/main.rs | 18 ++++++++++++++++++
 3 files changed, 31 insertions(+)
 create mode 100644 62_unique_path/Cargo.lock
 create mode 100644 62_unique_path/Cargo.toml
 create mode 100644 62_unique_path/src/main.rs

diff --git a/62_unique_path/Cargo.lock b/62_unique_path/Cargo.lock
new file mode 100644
index 0000000..11876d0
--- /dev/null
+++ b/62_unique_path/Cargo.lock
@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "unique_path"
+version = "0.1.0"
diff --git a/62_unique_path/Cargo.toml b/62_unique_path/Cargo.toml
new file mode 100644
index 0000000..f315c29
--- /dev/null
+++ b/62_unique_path/Cargo.toml
@@ -0,0 +1,6 @@
+[package]
+name = "unique_path"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
diff --git a/62_unique_path/src/main.rs b/62_unique_path/src/main.rs
new file mode 100644
index 0000000..f29d441
--- /dev/null
+++ b/62_unique_path/src/main.rs
@@ -0,0 +1,18 @@
+fn main() {
+    println!("Hello, world!");
+}
+
+struct Solution;
+
+impl Solution {
+    pub fn unique_paths(m: i32, n: i32) -> i32 {
+        let mut grid = vec![1; n as usize];
+        for _ in 1..m {
+            for i in 1..n as usize {
+                grid[i] += grid[i - 1];
+            }
+        }
+
+        *grid.last().unwrap()
+    }
+}