20240811 Finished

src/problem/mod.rs

@@ -200,4 +200,5 @@ mod p139_word_break;
 mod p300_longest_increasing_subsequence;
 mod p120_triangle;
 mod p64_minimum_path_sum;
-mod p63_unique_paths_ii;
+mod p63_unique_paths_ii;
+mod p97_interleaving_string;

src/problem/p97_interleaving_string.rs

@@ -0,0 +1,48 @@
+/**
+ * [97] Interleaving String
+ */
+pub struct Solution {}
+
+
+// submission codes start here
+
+impl Solution {
+    pub fn is_interleave(s1: String, s2: String, s3: String) -> bool {
+        let (s1, s2, s3): (Vec<char>, Vec<char>, Vec<char>) = (s1.chars().collect(), s2.chars().collect(), s3.chars().collect());
+        let (n, m, t) = (s1.len(), s2.len(), s3.len());
+        
+        if n + m != t {
+            return false;
+        }
+        
+        let mut dp = vec![false; m + 1];
+        dp[0] = true;
+        
+        for i in 0..=n {
+            for j in 0..=m {
+                let p = i + j - 1;
+                
+                if i != 0 {
+                    dp[j] &= s1[i - 1] == s3[p];
+                }
+                
+                if j != 0 {
+                    dp[j] |= dp[j - 1] && s2[j - 1] == s3[p];
+                }
+            }
+        }
+        
+        dp[m]
+    }
+}
+
+// submission codes end
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_97() {
+    }
+}