1 files changed, 21 insertions, 0 deletions
diff --git a/plus-one/src/main.rs b/plus-one/src/main.rs
new file mode 100644
index 0000000..7fdef54
--- /dev/null
+++ b/plus-one/src/main.rs
@@ -0,0 +1,21 @@
+fn main() {
+    println!("Hello, world!");
+}
+
+struct Solution {}
+impl Solution {
+    pub fn plus_one(digits: Vec<i32>) -> Vec<i32> {
+        let mut result = Vec::with_capacity(digits.len()+1);
+        let mut carry = 1;
+        for i in digits.iter().rev() {
+            let sum = *i + carry;
+            result.push(sum % 10);
+            carry = sum / 10;
+        }
+        if carry > 0 {
+            result.push(carry);
+        }
+        result.reverse();
+        result
+    }
+}