From 4e2c3eaa16e98cd518b1f8917956359813e281a7 Mon Sep 17 00:00:00 2001
From: GustavoMeza <coollive11@gmail.com>
Date: Wed, 1 May 2019 13:19:29 -0500
Subject: [PATCH] linked list

---
 linked-list.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)
 create mode 100644 linked-list.cpp

diff --git a/linked-list.cpp b/linked-list.cpp
new file mode 100644
index 0000000..945332e
--- /dev/null
+++ b/linked-list.cpp
@@ -0,0 +1,9 @@
+vector<int> nxt, prv;
+void list_init(int n) {
+        nxt.clear(); nxt.assign(n+1,n);
+        prv.clear(); prv.assign(n+1,n);
+}
+void list_erase(int node) {
+    nxt[prv[node]] = nxt[node];
+    prv[nxt[node]] = prv[node];
+}