# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
1231732 | durdona | Table Tennis (info1cup20_tabletennis) | Pypy 3 | 3098 ms | 265820 KiB |
from itertools import combinations as comb, islice
import random
def fun(arr):
arr.sort()
n=len(arr)
hozir=arr[0]+arr[-1]
for i in range(n//2):
if arr[i]+arr[n-i-1]!=hozir:
return False
return True
n,k=map(int,input().split())
arr=list(map(int,input().split()))
random.shuffle(arr)
for c in islice(comb(arr,n), 10000):
if fun(list(c)):
print(*c)
break
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