modified: proglabs/lab5/11.c

modified:   proglabs/lab5/14.c
	new file:   proglabs/lab5/15.c
	new file:   proglabs/lab5/16.c
	new file:   proglabs/lab5/17.c
	new file:   proglabs/lab5/18.c
	new file:   proglabs/lab5/<F5>

proglabs/lab5/18.c

@@ -0,0 +1,14 @@
+#include <stdio.h>
+
+int main() {
+    int d = 5;
+    int max = 150;
+    int n = 0;
+    do{ 
+        printf("%d  %d\n",d,n);  
+        n++;
+        d -= n;
+        d *= 2;
+    }while(d <= max);
+    return 0;
+}