AGGRCOW - Aggressive cows
Farmer John has built a new long barn, with N (2 <= N <= 100,000)
stalls. The stalls are located along a straight line at positions
x1 ... xN (0 <= xi <= 1,000,000,000).
His C (2 <= C <= N) cows don't like this barn layout and become
aggressive towards each other once put into a stall. To prevent the
cows from hurting each other, FJ wants to assign the cows to the
stalls, such that the minimum distance between any two of them is
as large as possible. What is the largest minimum distance?
Input
t – the number of test cases, then t test cases follows.
* Line 1: Two space-separated integers: N and C
* Lines 2..N+1: Line i+1 contains an integer stall location, xi
Output
For each test case output one integer: the largest minimum distance.
Example
Input:
1 5 3 1 2 8 4 9
Output:
3
Output details:
FJ can put his 3 cows in the stalls at positions 1, 4 and 8,
resulting in
a minimum distance of 3.
hide comments
Rahul sant:
2015-10-23 19:49:50
Nice question,,just think whether a particular distance can be used as a minimum largest distance or not..
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nonushikhar:
2015-10-23 19:05:35
learned a lot from this ...!! a must do problem for beginners!! |
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satish9040:
2015-10-19 21:32:00
Last edit: 2015-10-21 17:52:43 |
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.::High::Voltage::.:
2015-10-03 08:31:57
Please someone explain me how to do this problem as topcoder website is not working .
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Mit:
2015-09-30 21:32:46
Superb concept!
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thirupathireddy:
2015-09-18 10:57:03
good one on binary search............. |
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Sriharshaa Sammeta:
2015-09-10 19:31:43
Though it would be good if you figure out for yourself....still....
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Aayush:
2015-09-04 11:54:46
this question taught me a new lesson..
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satya_jha123:
2015-09-01 22:12:04
i got wa for using int and ac ,just replaced all int with long but an awesome problem |
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Vicky:
2015-08-14 16:22:36
@sanyam jain can u provide me a topcoder link whrere u found tutorials |
Added by: | Roman Sol |
Date: | 2005-02-16 |
Time limit: | 2s |
Source limit: | 10000B |
Memory limit: | 1536MB |
Cluster: | Cube (Intel G860) |
Languages: | All |
Resource: | USACO February 2005 Gold Division |