题解 | 大巴车（数组分块，按块翻转，块内不变）

# 分组上车
people_num ,car_occupy = map(int,input().split())
list_origin =list(map(int,input().split()))
list_all =[]
for i in range(0, people_num, car_occupy):
    if i+car_occupy >= people_num:
        list_temp = list_origin[i:people_num]
        list_all.append(list_temp)
    else:
        list_temp = list_origin[i:i+car_occupy]
        list_all.append(list_temp)
len_listall = len(list_all)
for j in range(len_listall-1,-1,-1):
    # list_all[j].sort()
    print(' '.join(map(str, list_all[j])), end=' ')