From 48ad276a56f1d6471812d4de3ba594fdb40e48df Mon Sep 17 00:00:00 2001
From: Zengtudor <zengtudor@outlook.com>
Date: Wed, 9 Oct 2024 01:01:03 +0800
Subject: [PATCH] update

---
 src/P2822/P2822_prefix.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/P2822/P2822_prefix.cpp b/src/P2822/P2822_prefix.cpp
index 0ed60c0..fee7f56 100644
--- a/src/P2822/P2822_prefix.cpp
+++ b/src/P2822/P2822_prefix.cpp
@@ -16,7 +16,7 @@ static void init(){
             c[i][j] = (c[i-1][j-1] + c[i-1][j])%k;
         }
     }
-    for(ull i = 2;i<max_n;i++){ //t被修改
+    for(ull i = 2;i<max_n-1;i++){ //注意这里是max_n-1
         for(ull j{1};j<=i;j++){
             prefix[i][j] = prefix[i-1][j]+prefix[i][j-1]-prefix[i-1][j-1] + (c[i][j]==0?1:0);
         }