lc starting today - 2025-11-30

3 files changed, 39 insertions, 0 deletions

diff --git a/01_two-sum/Cargo.lock b/01_two-sum/Cargo.lock
new file mode 100644
index 0000000..b32bc1e
--- /dev/null
+++ b/01_two-sum/Cargo.lock
@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "two_sum"
+version = "0.1.0"
diff --git a/01_two-sum/Cargo.toml b/01_two-sum/Cargo.toml
new file mode 100644
index 0000000..1ee142e
--- /dev/null
+++ b/01_two-sum/Cargo.toml
@@ -0,0 +1,6 @@
+[package]
+name = "two_sum"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
diff --git a/01_two-sum/src/main.rs b/01_two-sum/src/main.rs
new file mode 100644
index 0000000..827e46d
--- /dev/null
+++ b/01_two-sum/src/main.rs
@@ -0,0 +1,26 @@
+fn main() {
+    let nums: Vec<i32> = vec![2, 7, 11, 15];
+    let target: i32 = 9;
+    dbg!(Solution::two_sum(nums, target));
+}
+
+struct Solution(());
+impl Solution {
+    pub fn two_sum(nums: Vec<i32>, target: i32) -> Vec<i32> {
+        let mut result = Vec::new();
+        let mut idx = 0;
+
+        while idx < nums.len() {
+            let cur = nums[idx];
+            let offset = idx + 1;
+            for (i, num) in nums[offset..].into_iter().enumerate() {
+                if (cur + num) == target {
+                    result.push(idx as i32);
+                    result.push((offset + i) as i32);
+                }
+            }
+            idx += 1;
+        }
+        result
+    }
+}