对数列求最小值

# encoding=utf-8

num,cout = input().split()
num, cout = int(num),int(cout)
lists = input().split()

lists = [ int(i) for i in lists]

def fun(lists):
    print(lists)
    list1 = lists
    mi = min(list1)
    index = list1.index(mi)
    del list1[index]
    i_l = lists[index-1]
    i_r = lists[index+1]
    ind = 0
    i_s = i_l + mi
    if i_l > i_r:
       i_s = i_r + mi
       del list1[index + 1]
    else:
        del list1[index - 1]
    list1.append(i_s)    
    return list1
    
    
for i in range(cout):
    lists = fun(lists)
print(min(lists))