BSEARCH1 - Binary search
You are given a sorted array of numbers, and followed by number of queries, for each query if the queried number is present in the array print its position, else print -1.
Input
First line contains N Q, number of elements in the array and number of queries to follow.
Second line contains N numbers, the elements of the array. Each number will be -10^9 <= ai <= 10^9, 0 < N <= 10^5, 0 < Q <= 5*10^5
Output
For each element in the query, print the elements 0 based location of its first occurence, if present, otherwise print -1.
Example
Input: 5 4 2 4 7 7 9 7 10 4 2 Output: 2 -1 1 0
hide comments
mustella:
2017-09-06 17:59:01
Remember: it's a SORTED vector as input.
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a_kk:
2017-08-27 22:27:46
python is giving TLE :(
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dunjen_master:
2017-08-25 23:17:41
can use map..AC in 0.29 seconds |
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robertohonda:
2017-07-30 21:12:27
I tried python but got TLE in C++ I got AC with printf and scanf |
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rohit9934:
2017-05-16 09:34:10
It's Seems easy at first,Unless TLE starts popping out on your screen.
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kaiser123:
2017-02-09 03:44:06
Your solution should print first occurrence of target element. Also use scanf and printf in C++ to beat TLE |
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akhileshsoni96:
2016-07-08 14:39:05
lower bound giving Wrong dont know y but when implemented on my own gives all A.C
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grfer96:
2016-04-07 22:34:20
I find the input solution, but my code can't be submited
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sharif ullah:
2016-02-15 12:53:34
I think lower_bound() function causes wrong answer |
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krishna_at1996:
2016-02-02 22:12:40
if there is repetition then you need to print the least index
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Added by: | jack(chakradarraju) |
Date: | 2012-03-13 |
Time limit: | 1s |
Source limit: | 50000B |
Memory limit: | 1536MB |
Cluster: | Cube (Intel G860) |
Languages: | All |
Resource: | NITT Class |