Two-digit number#8874

Two-digit number (Editorial)

The input number can be negative. The number $n$ is two-digit if

- 99 \leq n \leq - 10 or 10 \leq n \leq 99

-99 \le n \le -10~or~10 \le n \le 99

Algorithm implementation

Read the input value of $n$ .

scanf("%d", &n);

Print the answer.

if ((n > -100 && n < -9) || (n > 9 && n < 100)) puts("Ok");
else puts("No");

Python implementation

Read the input value of $n$ .

n = int(input())

Print the answer.

if (-100 < n < -9) or (9 < n < 100): print("Ok")
else: print("No")