diff --git a/第一题.c b/第一题.c
new file mode 100644
index 0000000..a1247df
--- /dev/null
+++ b/第一题.c
@@ -0,0 +1,34 @@
+#include <stdio.h>
+
+void print_sudoku(int sudoku[9][9]) {
+    for (int i = 0; i < 9; i++) {
+        if (i % 3 == 0 && i != 0) {
+            printf("-------------------------\n");
+        }
+        for (int j = 0; j < 9; j++) {
+            if (j % 3 == 0 && j != 0) {
+                printf("| ");
+            }
+            printf("%d ", sudoku[i][j]);
+        }
+        printf("\n");
+    }
+}
+
+int main() {
+    int sudoku[9][9] = {
+        {5, 3, 0, 0, 7, 0, 0, 0, 0},
+        {6, 0, 0, 1, 9, 5, 0, 0, 0},
+        {0, 9, 8, 0, 0, 0, 0, 6, 0},
+        {8, 0, 0, 0, 6, 0, 0, 0, 3},
+        {4, 0, 0, 8, 0, 3, 0, 0, 1},
+        {7, 0, 0, 0, 2, 0, 0, 0, 6},
+        {0, 6, 0, 0, 0, 0, 2, 8, 0},
+        {0, 0, 0, 4, 1, 9, 0, 0, 5},
+        {0, 0, 0, 0, 8, 0, 0, 7, 9}
+    };
+    
+    print_sudoku(sudoku);
+    
+    return 0;
+}