RMQSQ - Range Minimum Query
You are given a list of N numbers and Q queries. Each query is specified by two numbers i and j; the answer to each query is the minimum number between the range [i, j] (inclusive).
Note: the query ranges are specified using 0-based indexing.
Input
The first line contains N, the number of integers in our list (N <= 100,000). The next line holds N numbers that are guaranteed to fit inside an integer. Following the list is a number Q (Q <= 10,000). The next Q lines each contain two numbers i and j which specify a query you must answer (0 <= i, j <= N-1).
Output
For each query, output the answer to that query on its own line in the order the queries were made.
Example
Input: 3
1 4 1
2
1 1
1 2 Output: 4
1
hide comments
cooli0_1:
2021-05-13 18:30:10
O(nlgn) preprocessing and O(1) query time using sparse Table :D |
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rushi2001:
2021-05-13 14:43:40
Tried in 3 Ways .
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nrgshrivastava:
2021-04-26 07:34:17
Those getting wrong answer at case 5 using SQRT decomposition just check if the left and right query both belongs to same block or not.
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amz42:
2021-04-20 17:17:48
I tried solving it using square root decomposition & got Wrong Answer. Pls tell me where I'm wrong.
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loser_404:
2021-04-20 12:55:43
Anyone is struggling in this problem should watch Erricto's video. Much more detailed way of explanation using Sparse Table |
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rds_98:
2021-04-18 22:06:59
An easy and basic known problem in segment tree or sparse table. |
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sahil__bajaj:
2021-04-08 11:04:10
I am getting TLE with segment tree Last edit: 2021-04-08 11:05:38 |
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teknath64:
2021-04-02 11:52:51
square root decomposition in 0.15s |
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parvejmia:
2021-03-24 08:08:17
Solved it using Centroid Decomposition in 0.88s |
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sam_saver_23:
2021-03-02 16:22:46
I'm trying to do it using sqrt decomposition but getting SIGSEGV runtime error. But the sample test cases are working just fine. Can someone please help? |
Added by: | Joshua Kirstein |
Date: | 2014-10-18 |
Time limit: | 3s |
Source limit: | 50000B |
Memory limit: | 1536MB |
Cluster: | Cube (Intel G860) |
Languages: | All |