$$ Consider the following set S of activities

$$ Find max$-$size subset A of compatible activities.

i

Si

$1$

$23$

$4$

$130535$

$6$

$7$

$5$

$6$

$9$

$9$

$7$

$6$

$88$

$11$

$10$

$9$

$8$

$12$

$10$

$14$

$2$