3 files changed, 33 insertions, 0 deletions
diff --git a/0028/Cargo.lock b/0028/Cargo.lock
new file mode 100644
index 0000000..270e521
--- /dev/null
+++ b/0028/Cargo.lock
@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "p28"
+version = "0.1.0"
diff --git a/0028/Cargo.toml b/0028/Cargo.toml
new file mode 100644
index 0000000..c78abd7
--- /dev/null
+++ b/0028/Cargo.toml
@@ -0,0 +1,6 @@
+[package]
+name = "p28"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
diff --git a/0028/src/main.rs b/0028/src/main.rs
new file mode 100644
index 0000000..c830ac4
--- /dev/null
+++ b/0028/src/main.rs
@@ -0,0 +1,20 @@
+impl Solution {
+    pub fn str_str(haystack: String, needle: String) -> i32 {
+        if needle.len() > haystack.len() { return -1; }
+        for i in 0..haystack.len() - needle.len()+1 {
+            let mut failed = false;
+            for j in 0..needle.len() {
+                if haystack.as_bytes()[i+j] != needle.as_bytes()[j] {
+                    failed = true;
+                    break;
+                }
+            }
+            if !failed { return i as i32; }
+        }
+        -1
+    }
+}
+struct Solution { }
+fn main() {
+    println!("{}", Solution::str_str("abaaa".to_string(), "abb".to_string()));
+}
+\ No newline at end of file