1 files changed, 28 insertions, 0 deletions
diff --git a/find-in-mountain-array/src/main.rs b/find-in-mountain-array/src/main.rs
new file mode 100644
index 0000000..4fd6d7c
--- /dev/null
+++ b/find-in-mountain-array/src/main.rs
@@ -0,0 +1,28 @@
+fn main() {
+    println!("Hello, world!");
+}
+/**
+ * // This is the MountainArray's API interface.
+ * // You should not implement it, or speculate about its implementation
+ *  struct MountainArray;
+ *  impl MountainArray {
+ *     fn get(index:i32)->i32;
+ *     fn length()->i32;
+ * };
+ */
+
+struct MountainArray;
+
+impl MountainArray {
+    fn get(self, index:i32)->i32;
+    fn length(self)->i32;
+};
+
+impl Solution {
+    pub fn find_in_mountain_array(target: i32, mountainArr: &MountainArray) -> i32 {
+        for i in 0..mountainArr.length() {
+            if mountainArr.get(i) == target {return i;}
+        }
+        -1
+    }
+}