From 16c61d436cdec305018c469757f8bf609cb7af66 Mon Sep 17 00:00:00 2001
From: jackfiled <xcrenchangjun@outlook.com>
Date: Tue, 4 Mar 2025 11:48:14 +0800
Subject: [PATCH] 20250304 finished.

---
 src/problem/mod.rs                            |  2 +
 .../p1745_palindrome_partitioning_iv.rs       | 46 +++++++++++++++++++
 2 files changed, 48 insertions(+)
 create mode 100644 src/problem/p1745_palindrome_partitioning_iv.rs

diff --git a/src/problem/mod.rs b/src/problem/mod.rs
index aab7c22..82455a5 100644
--- a/src/problem/mod.rs
+++ b/src/problem/mod.rs
@@ -516,3 +516,5 @@ mod p131_palindrome_partitioning;
 mod p132_palindrome_partitioning_ii;
 
 mod p1278_palindrome_partitioning_iii;
+
+mod p1745_palindrome_partitioning_iv;
diff --git a/src/problem/p1745_palindrome_partitioning_iv.rs b/src/problem/p1745_palindrome_partitioning_iv.rs
new file mode 100644
index 0000000..c2abb55
--- /dev/null
+++ b/src/problem/p1745_palindrome_partitioning_iv.rs
@@ -0,0 +1,46 @@
+/**
+ * [1745] Palindrome Partitioning IV
+ */
+pub struct Solution {}
+
+// submission codes start here
+
+impl Solution {
+    pub fn check_partitioning(s: String) -> bool {
+        let s = s.as_bytes();
+        let length = s.len();
+
+        let mut palindrome = vec![vec![true; length]; length];
+
+        for span in 2..=length {
+            for i in 0..=length - span {
+                let j = i + span - 1;
+                palindrome[i][j] = palindrome[i + 1][j - 1] && (s[i] == s[j])
+            }
+        }
+
+        for i in 0..length - 2 {
+            // 所有字符串都必须是非空的
+            for j in i + 2..length {
+                if palindrome[0][i] && palindrome[i + 1][j - 1] && palindrome[j][length - 1] {
+                    return true;
+                }
+            }
+        }
+
+        false
+    }
+}
+
+// submission codes end
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_1745() {
+        assert!(Solution::check_partitioning("abcbdd".to_owned()));
+        assert!(!Solution::check_partitioning("bcbddxy".to_owned()));
+    }
+}