Вопрос:

Given the provided code snippets in Python, Pascal, C++, and an algorithmic language, and the problem description stating that 5 runs of the program were performed with the following pairs of numbers (s, t) as input, identify ALL pairs of numbers for which the program will output "NO" and write down the digits under which they are indicated.

Смотреть решения всех заданий с листа

Ответ:

Analysis of the condition:

The program outputs "NO" if the condition `(s > -3) and (t > 2)` is false. This means the program outputs "NO" if either `s <= -3` OR `t <= 2` (or both).

Evaluation of each pair:

  • 1) (5, 8): `s = 5`, `t = 8`. Condition: `(5 > -3) and (8 > 2)`. Both parts are true, so the output is "YES".
  • 2) (-5, 8): `s = -5`, `t = 8`. Condition: `(-5 > -3) and (8 > 2)`. The first part (`-5 > -3`) is false. Therefore, the entire condition is false, and the output is "NO".
  • 3) (3, -11): `s = 3`, `t = -11`. Condition: `(3 > -3) and (-11 > 2)`. The second part (`-11 > 2`) is false. Therefore, the entire condition is false, and the output is "NO".
  • 4) (-4, 0): `s = -4`, `t = 0`. Condition: `(-4 > -3) and (0 > 2)`. Both parts are false. Therefore, the entire condition is false, and the output is "NO".
  • 5) (-3, 2): `s = -3`, `t = 2`. Condition: `(-3 > -3) and (2 > 2)`. Both parts are false (`-3` is not greater than `-3`, and `2` is not greater than `2`). Therefore, the entire condition is false, and the output is "NO".

Summary of "NO" outputs: Pairs 2, 3, 4, and 5 result in the output "NO".

Answer: 2, 3, 4, 5

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