Practice · 4 of 5
Generate Binary Strings
CHALLENGE
Difficulty: intermediate+25 XP
**Description:** Generate all 2^n binary strings of length n in **lexicographic**
order (0 before 1), one per line. n is small enough to enumerate fully.
**Input:** One line: n (1 <= n <= 12).
**Output:** 2^n lines of n characters each.
**Example:** 2 -> 00 / 01 / 10 / 11.
Press Submit to check your solution.
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