1 files changed, 17 insertions, 0 deletions
diff --git a/find-the-duplicate-number/src/main.rs b/find-the-duplicate-number/src/main.rs
new file mode 100644
index 0000000..c86c542
--- /dev/null
+++ b/find-the-duplicate-number/src/main.rs
@@ -0,0 +1,17 @@
+fn main() {
+    println!("Hello, world!");
+}
+
+
+struct Solution {}
+
+impl Solution {
+    pub fn find_duplicate(nums: Vec<i32>) -> i32 {
+        for i in 0..nums.len()-1 {
+            if nums[i+1..nums.len()].contains(&nums[i]) {
+                return nums[i];
+            }
+        }
+        0
+    }
+}