Practice Range Product Queries of Powers
Read the task, work through the examples, and check your approach against the constraints. Use the original LeetCode task for coding and submissions.
Problem Statement
Write positive n as the sum of the fewest powers of 2 and sort those powers in nondecreasing order to form powers. This array is unique. For each inclusive query [left,right], return the product of powers[left..right] modulo 10^9 + 7, in query order.
Source: Range Product Queries of Powers on LeetCode. Use the original task for its coding environment and submissions.
Examples
# Example 1
Input
n = 15, queries = [[0,1],[2,2],[0,3]]
Output
[2,4,64]
# Example 2
Input
n = 2, queries = [[0,0]]
Output
[2]
Constraints
1 <= n <= 10^9
1 <= queries.length <= 10^5
0 <= starti <= endi < powers.length
Related LeetCode Problems
Practice more problems similar to Range Product Queries of Powers.
Review your practice with PhantomCodeAI
After trying the problem yourself, use the app to discuss your approach, complexity, and edge cases.