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/lab5/17.c

@@ -0,0 +1,16 @@
+#include <stdio.h>
+
+int main() {
+    int sum = 1000000;
+    int take = 100000;
+    float proc = 0.08;
+    int y = 0;
+    do{
+        y++;
+        sum -= take;
+        sum += (sum * proc);
+    }while(sum >= 0);
+
+    printf("%d",y);
+    return 0;
+}