From a6ccb6431bd746b264b93fda7efd5bf8afa50795 Mon Sep 17 00:00:00 2001
From: unlockable <gaogao174561@outlook.com>
Date: Mon, 25 Aug 2025 12:20:17 +0800
Subject: [PATCH] =?UTF-8?q?2025=E8=80=83=E7=A0=94b=20all=20ac?=
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---
 thu2025kaoyan_b.cpp | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/thu2025kaoyan_b.cpp b/thu2025kaoyan_b.cpp
index 4a8aebb..ad2dd27 100644
--- a/thu2025kaoyan_b.cpp
+++ b/thu2025kaoyan_b.cpp
@@ -53,16 +53,19 @@ int end_row, end_col;
 int map[MAXN][MAXN] = {0};
 // 0 = wall
 // 1 = ground
+// 2 = glass
 
 bool valid_pos(int row, int col, posture pos) {
     if (row >= n || col >= m || row < 0 || col < 0) {
         return false;
     }
     if (pos == pos_s) {
-        return map[row][col] > 0;
+        return map[row][col] == 1;
     } else if (pos == pos_h) {
+        if (col + 1 >= m) return false;
         return map[row][col] > 0 && map[row][col + 1] > 0;
     } else if (pos == pos_v) {
+        if (row + 1 >= n) return false;
         return map[row][col] > 0 && map[row + 1][col] > 0;
     } else {
         // should not be here
@@ -287,8 +290,10 @@ int main() {
             for (int j = 0; j < m; ++j) {
                 if (linebuf[j] == '#') {
                     map[i][j] = 0;
-                } else if (linebuf[j] == '.' || linebuf[j] == 'E') {
+                } else if (linebuf[j] == '.') {
                     map[i][j] = 1;
+                } else if (linebuf[j] == 'E') {
+                    map[i][j] = 2;
                 } else if (linebuf[j] == 'X') {
                     map[i][j] = 1;
                     if (found_start == false) {