https://leetcode.cn/problems/toeplitz-matrix/

Author: masx200

README.md

@@ -45,6 +45,8 @@ Step 2. Add the dependency
 
 <summary>展开查看</summary>
 
+https://leetcode.cn/problems/toeplitz-matrix/
+
 https://leetcode.cn/problems/transpose-matrix/
 
 https://leetcode.cn/problems/divide-array-in-sets-of-k-consecutive-numbers

toeplitz-matrix/index.ts

@@ -0,0 +1,10 @@
+function isToeplitzMatrix(matrix: number[][]): boolean {
+    return matrix.every((a, i) =>
+        a.every((v, j) => {
+            if (typeof matrix[i + 1]?.[j + 1] === "undefined") return true;
+
+            return matrix[i + 1]?.[j + 1] === v;
+        })
+    );
+}
+export default isToeplitzMatrix;