MAIN8_C  Shake Shake Shaky
Shaky has N (1<=N<=50000) candy boxes each of them contains a nonzero number of candies (between 1 and 1000000000). Shakey want to distibute these candies among his K (1<=K<=1000000000) IIITDelhi students. He want to distibute them in a way such that:
1. All students get equal number of candies.
2. All the candies which a student get must be from a single box only.
As he want to make all of them happy so he want to give as many candies as possible. Help Shaky in finding out what is the maximum number of candies which a student can get.
Input
First line contains 1<=T<=20 the number of test cases. Then T test cases follow. First line of each test case contains N and K. Next line contains N integers, ith of which is the number of candies in ith box.
Output
For each test case print the required answer in a seperate line.
Example
Input: 2 3 2 3 1 4 4 1 3 2 3 9 Output: 3 9
hide comments
divergent42:
20190705 09:41:37
Good question 

exesharkx:
20190410 15:37:51
print 0 if not possible


sajalagrawal14:
20190128 13:46:01
ac in one go 

anubhawiiitu:
20180102 15:52:46
TLE with int


themast3r:
20171104 23:49:02
AC in 2nd go due to stupid problem description. Make sure to:


jatin03:
20170817 19:04:40
Getting constant tle cant understand


tushar091:
20170705 19:07:16
will the long suffice or do i use long long unsigned Last edit: 20170705 21:14:50 

praney_rai:
20170614 10:26:46
done using binary search


anurag44:
20170523 11:41:53
Consider the case when the no of candidates is more than the sum of all candies 

aeon:
20170410 05:48:58
consider the case:

Added by:  Mahesh Chandra Sharma 
Date:  20110420 
Time limit:  0.622s 
Source limit:  50000B 
Memory limit:  1536MB 
Cluster:  Cube (Intel G860) 
Languages:  All except: ASM64 
Resource:  Own problem used for NSITIIITA Main contest #8 