Let's analyze the condition: if (s <= k) or not (k > 5):
This condition is true if either of the following is true:
s <= knot (k > 5), which is equivalent to k <= 5So, the program prints "YES" if s <= k OR k <= 5.
Now let's check each pair:
s <= k (13 <= 11) is False. k <= 5 (11 <= 5) is False. So, NO.s <= k (-1 <= -4) is False. k <= 5 (-4 <= 5) is True. So, YES.s <= k (14 <= 8) is False. k <= 5 (8 <= 5) is False. So, NO.s <= k (5 <= 7) is True. So, YES.s <= k (-10 <= 2) is True. So, YES.s <= k (12 <= 5) is False. k <= 5 (5 <= 5) is True. So, YES.s <= k (11 <= 10) is False. k <= 5 (10 <= 5) is False. So, NO.s <= k (8 <= 6) is False. k <= 5 (6 <= 5) is False. So, NO.s <= k (9 <= 9) is True. So, YES.The pairs that result in "YES" are: (-1, -4), (5, 7), (-10, 2), (12, 5), (9, 9).
There are 5 such pairs.
Ответ: 5