Question bank › Bit Manipulation
Dsa Bit Manipulation Easy

Find Unique Number in Triples

In a given list, every number appears three times except for one number that appears only once. Write a program to find that unique number. The input consists of a single line containing space-separated integers. You should print the unique integer. Example: Input: 1 1 1 2 2 2 3 3 3 4 4 4 5 Output: 5

Key concepts

bit_manipulationunique

Practise this out loud — free

Start a mock interview on THIS exact question — a voice AI interviewer opens with it, pushes back like a real onsite, then hands you an instant scorecard.

🎙 Practise this question now
Part of InterviewLab's verified interview question bank. We show the prompt and concepts to practise with — never a copy-paste solution.