题解 | #MP3光标位置#
MP3光标位置
http://www.nowcoder.com/practice/eaf5b886bd6645dd9cfb5406f3753e15
def func(num,coms):
dic = {'U':-1,'D':1}
cur = 1
start = 1
end = 4
if num<=4:
print(*[i for i in range(1,num+1)])
for com in coms:
cur += dic[com]
if cur == 0:
cur = num
elif cur >num:
cur = 1
else:
for com in coms:
cur += dic[com]
if cur == 0:
cur = num
start = num-3
end = num
elif cur >num:
cur = 1
start = 1
end = 4
if cur not in range(start,end+1):
start += dic[com]
end += dic[com]
print(*[i for i in range(start,end+1)])
print(cur)
while 1:
try:
num = int(input())
coms = input()
func(num,coms)
except:
break
