From 6a5ae7f41d095e46f5817cf878b1b77e0dec95f4 Mon Sep 17 00:00:00 2001
From: Ariel <ariel@arielherself.xyz>
Date: Sun, 21 Jan 2024 10:07:21 +0800
Subject: [PATCH] Update sa.cc

---
 string/sa.cc | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/string/sa.cc b/string/sa.cc
index 0fee3aa..ee477b0 100644
--- a/string/sa.cc
+++ b/string/sa.cc
@@ -35,6 +35,15 @@ void calc_sa() {
       }
 }
 
+void calc_height() {
+  for (i = 1, k = 0; i <= n; ++i) {
+    if (rk[i] == 0) continue;
+    if (k) --k;
+    while (s[i + k] == s[sa[rk[i] - 1] + k]) ++k;
+    height[rk[i]] = k;
+  }
+}
+
 int main() {
     untie;
     cin >> (s + 1);  // array s starts from index 1