diff --git a/function.1.cpp b/function.1.cpp
new file mode 100644
index 0000000..78fc4e2
--- /dev/null
+++ b/function.1.cpp
@@ -0,0 +1,28 @@
+#include<stdio.h>
+int main(){
+int board[9][9]={{5,3,4,6,7,8,9,1,2},
+{6,7,2,1,9,5,3,4,8},
+{1,9,8,3,4,2,5,6,7},
+{8,5,9,7,6,1,4,2,3},
+{4,2,6,8,5,3,7,9,1},
+{7,1,3,9,2,4,8,5,6},
+{9,6,1,5,3,7,2,8,4},
+{2,8,7,4,1,9,6,3,5},
+{3,4,5,2,8,6,1,7,9}};
+
+
+	printf("The original Sudoku matrix: \n");
+	for(int i=0;i<9;i++){
+		if(i%3==0){
+			printf("-------------\n");
+		}
+		for(int j=0;j<9;j++){
+			if(j%3==0||j==9){
+				printf("|");
+			}
+			printf("%d",board[i][j]);
+		}
+		printf("|\n");
+	}printf("-------------\n");
+	return 0;
+}