کاف کیک

main.py

n, k = map(int, input().split())
arr = list(map(int, input().split()))

arrCopy = arr.copy()
result = -1

arr.sort()

if k == 1:
    result = arr[-1]
elif k == 2:
    result = min(arrCopy[0], arrCopy[-1])
else:
    result = arr[0]
    
print(result)