From 1b89e226b5ad1652ccd56dc317f0b9c5599b5865 Mon Sep 17 00:00:00 2001
From: Ir1dXD <sirius.caffrey@gmail.com>
Date: Mon, 15 Oct 2018 06:04:11 +0800
Subject: [PATCH] fix: fix code (#600)

---
 docs/string/sam.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/string/sam.md b/docs/string/sam.md
index 5bd684b1..8a1caf42 100644
--- a/docs/string/sam.md
+++ b/docs/string/sam.md
@@ -254,7 +254,7 @@ void sa_extend(char c) {
         st[cur].link = 0;
     } else {
         int q = st[p].next[c];
-        if (st[p].len + 1 = st[q].len) {
+        if (st[p].len + 1 == st[q].len) {
             st[cur].link = q;
         } else {
             int clone = sz++;
-- 
2.11.0