Range Queries
Practice
4.5 (2 votes)
Bit manipulation
Basics of bit manipulation
Basic programming
Problem
24% Success 1644 Attempts 20 Points 1s Time Limit 256MB Memory 1024 KB Max Code

Given \(Q\) queries of type \(L \ R \ X\), find the count of integers in range \([L, R]\) such that their \(X^{th}\) bit (1-indexed) is \(ON\) from the LSB (least significant bit) side.

Input Format:

  • First line contains an integer \(Q\), denoting the number of queries.
  • Next \(Q\) lines contains three space-separated integres \(L \ R \ X\).

Output Format:

For every query, print the number of integers in \([L, R]\) which satisfy the above condition.

Constraints:

\(1 \le Q \le 10^5 \\ 1 \le L \le R \le 10^5 \\ 1 \leq X \leq 20\)

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