feat: add solutions to lc problem: No.2319

No.2319.Check if Matrix Is X-Matrix

Author: YangFong

solution/2300-2399/2319.Check if Matrix Is X-Matrix/README.md

@@ -182,6 +182,47 @@ public class Solution {
 }
 ```
 
+### **Rust**
+
+```rust
+impl Solution {
+    pub fn check_x_matrix(grid: Vec<Vec<i32>>) -> bool {
+        let n = grid.len();
+        for i in 0..n {
+            for j in 0..n {
+                if i == j || i + j == n - 1 {
+                    if grid[i][j] == 0 {
+                        return false;
+                    }
+                } else if grid[i][j] != 0 {
+                    return false;
+                }
+            }
+        }
+        true
+    }
+}
+```
+
+### **C**
+
+```c
+bool checkXMatrix(int **grid, int gridSize, int *gridColSize) {
+    for (int i = 0; i < gridSize; i++) {
+        for (int j = 0; j < gridSize; j++) {
+            if (i == j || i + j == gridSize - 1) {
+                if (grid[i][j] == 0) {
+                    return false;
+                }
+            } else if (grid[i][j] != 0) {
+                return false;
+            }
+        }
+    }
+    return true;
+}
+```
+
 ### **...**
 
 ```

solution/2300-2399/2319.Check if Matrix Is X-Matrix/README_EN.md

@@ -168,6 +168,47 @@ public class Solution {
 }
 ```
 
+### **Rust**
+
+```rust
+impl Solution {
+    pub fn check_x_matrix(grid: Vec<Vec<i32>>) -> bool {
+        let n = grid.len();
+        for i in 0..n {
+            for j in 0..n {
+                if i == j || i + j == n - 1 {
+                    if grid[i][j] == 0 {
+                        return false;
+                    }
+                } else if grid[i][j] != 0 {
+                    return false;
+                }
+            }
+        }
+        true
+    }
+}
+```
+
+### **C**
+
+```c
+bool checkXMatrix(int **grid, int gridSize, int *gridColSize) {
+    for (int i = 0; i < gridSize; i++) {
+        for (int j = 0; j < gridSize; j++) {
+            if (i == j || i + j == gridSize - 1) {
+                if (grid[i][j] == 0) {
+                    return false;
+                }
+            } else if (grid[i][j] != 0) {
+                return false;
+            }
+        }
+    }
+    return true;
+}
+```
+
 ### **...**
 
 ```

solution/2300-2399/2319.Check if Matrix Is X-Matrix/Solution.c

@@ -0,0 +1,14 @@
+bool checkXMatrix(int **grid, int gridSize, int *gridColSize) {
+    for (int i = 0; i < gridSize; i++) {
+        for (int j = 0; j < gridSize; j++) {
+            if (i == j || i + j == gridSize - 1) {
+                if (grid[i][j] == 0) {
+                    return false;
+                }
+            } else if (grid[i][j] != 0) {
+                return false;
+            }
+        }
+    }
+    return true;
+}

solution/2300-2399/2319.Check if Matrix Is X-Matrix/Solution.rs

@@ -0,0 +1,17 @@
+impl Solution {
+    pub fn check_x_matrix(grid: Vec<Vec<i32>>) -> bool {
+        let n = grid.len();
+        for i in 0..n {
+            for j in 0..n {
+                if i == j || i + j == n - 1 {
+                    if grid[i][j] == 0 {
+                        return false;
+                    }
+                } else if grid[i][j] != 0 {
+                    return false;
+                }
+            }
+        }
+        true
+    }
+}