diff options
| -rw-r--r-- | .gitignore | 1 | ||||
| -rw-r--r-- | Cargo.lock | 7 | ||||
| -rw-r--r-- | Cargo.toml | 6 | ||||
| -rw-r--r-- | src/bin/p0001.rs | 25 | ||||
| -rw-r--r-- | src/main.rs | 3 |
5 files changed, 42 insertions, 0 deletions
diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..ea8c4bf --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +/target diff --git a/Cargo.lock b/Cargo.lock new file mode 100644 index 0000000..d5eb8a3 --- /dev/null +++ b/Cargo.lock @@ -0,0 +1,7 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +version = 3 + +[[package]] +name = "leetcode" +version = "0.1.0" diff --git a/Cargo.toml b/Cargo.toml new file mode 100644 index 0000000..dedfbd3 --- /dev/null +++ b/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "leetcode" +version = "0.1.0" +edition = "2021" + +[dependencies] diff --git a/src/bin/p0001.rs b/src/bin/p0001.rs new file mode 100644 index 0000000..70128c9 --- /dev/null +++ b/src/bin/p0001.rs @@ -0,0 +1,25 @@ +use std::collections::HashMap; + +struct Solution {} +impl Solution { + pub fn two_sum(nums: Vec<i32>, target: i32) -> Vec<i32> { + let mut num_map : HashMap<i32, usize> = HashMap::new(); + + let mut i:usize = 0; + loop { + let index = target - nums[i]; + match num_map.get(&index) { + Some(j) => break vec![i as i32, *j as i32], + None => { + num_map.insert(nums[i], i); + i = i + 1; + continue; + } + } + } + } +} + +fn main() { + println!("{:?}", Solution::two_sum(vec![2, 7, 11, 15], 9)); +}
\ No newline at end of file diff --git a/src/main.rs b/src/main.rs new file mode 100644 index 0000000..e7a11a9 --- /dev/null +++ b/src/main.rs @@ -0,0 +1,3 @@ +fn main() { + println!("Hello, world!"); +} |