ADD file via upload

matrix.c

@@ -0,0 +1,21 @@
+#include<stdio.h>
+#include<stdlib.h>
+#include<time.h>
+int main()
+{
+	int a[9][9];
+	int i,j;
+	srand(time(NULL));
+	for(i=0;i<=8;i++)
+	{
+		for(j=0;j<=8;j++)
+		{
+			a[i][j]=rand()%10;
+			if(a[i][j]!=0)
+			printf("%d ",a[i][j]);
+			else
+			printf(". ");
+	}
+		printf("\n");
+	}
+}