diff --git a/luogu/njit-baidu2023/tc.py b/luogu/njit-baidu2023/tc.py
new file mode 100644
index 0000000..749fb20
--- /dev/null
+++ b/luogu/njit-baidu2023/tc.py
@@ -0,0 +1,42 @@
+import io
+import sys
+
+sys.stdin = io.StringIO('''3
+6
+4 5 1 3 2 6
+5
+5 3 1 2 4
+4
+1 4 3 2''')
+
+
+# TLE
+def fun(n, p):
+    ans = [0] * n
+    loc = [0] * n
+    for i in range(n):
+        loc[i] = (p.index(i + 1))
+
+    for i in range(n):
+        nums = loc[:i + 1]
+        nums.sort()
+        flag = True
+        for j in range(1, i + 1):
+            if nums[j] - nums[j - 1] > 1:
+                flag = False
+                break
+
+        if flag:
+            ans[i] = 1
+
+    print(''.join(map(str, ans)))
+
+
+t = int(input())
+for _ in range(t):
+    n = int(input())
+    p = list(map(int, input().split()))
+    fun(n, p)
+
+    if __name__ == '__main__':
+        pass