added ws202425 courses

2023_CS50X/algorithms/Source/recursion0.c

@@ -0,0 +1,23 @@
+// Draws a pyramid (incorrectly) using recursion,
+// must be compiled with -Wno-infinite-recursion
+
+#include <cs50.h>
+#include <stdio.h>
+
+void draw(int n);
+
+int main(void)
+{
+    draw(1);
+}
+
+void draw(int n)
+{
+    for (int i = 0; i < n; i++)
+    {
+        printf("#");
+    }
+    printf("\n");
+
+    draw(n + 1);
+}