feat: 1209_remove_all_adjacent_duplicates_in_string_2

1209_remove_all_adjacent_duplicates_in_string_2/Cargo.lock

@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "remove_all_adjacent_duplicates_in_string_2"
+version = "0.1.0"

1209_remove_all_adjacent_duplicates_in_string_2/Cargo.toml

@@ -0,0 +1,6 @@
+[package]
+name = "remove_all_adjacent_duplicates_in_string_2"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]

1209_remove_all_adjacent_duplicates_in_string_2/src/lib.rs

@@ -0,0 +1,32 @@
+pub struct Solution;
+
+impl Solution {
+    pub fn remove_duplicates(s: String, k: i32) -> String {
+        let mut stack = String::new();
+        let mut dup_count_stack = Vec::<i32>::new();
+        let mut dup_count = 1;
+
+        for c in s.bytes() {
+            if stack.is_empty() {
+                stack.push(c as char);
+            } else if c == stack.bytes().last().unwrap() {
+                dup_count += 1;
+                if dup_count == k {
+                    while dup_count > 1 {
+                        stack.pop();
+                        dup_count -= 1;
+                    }
+                    dup_count = dup_count_stack.pop().unwrap_or(1);
+                } else {
+                    stack.push(c as char);
+                }
+            } else {
+                stack.push(c as char);
+                dup_count_stack.push(dup_count);
+                dup_count = 1;
+            }
+        }
+
+        stack
+    }
+}