Initial commit with cleaned history

2023 CS50X/c/Source/mario3.c

@@ -0,0 +1,15 @@
+// Prints a 3-by-3 grid of bricks with nested loops
+
+#include <stdio.h>
+
+int main(void)
+{
+    for (int i = 0; i < 3; i++)
+    {
+        for (int j = 0; j < 3; j++)
+        {
+            printf("#");
+        }
+        printf("\n");
+    }
+}