Submission #626445

#	Time	Username	Problem	Language	Result	Execution time	Memory
626445		hspark8494	Type Printer (IOI08_printer)	Cpython 3	30 / 100	1092 ms	67632 KiB

printer

class trie:
    def __init__(self, parent):
        self.data = {}
        self.parent = parent
        self.dept = 0
        self.end = False

words = []

tries = trie(None)
n = int(input())
for _ in range(n):
    word = input()
    words.append(word)
    curr = tries
    for w in word:
        if not w in curr.data:
            curr.data[w] = trie(curr)
        curr = curr.data[w]
        p = curr.parent
        while p:
            p.dept+=1
            p = p.parent
    else:
        curr.end = True


def dfs_trie(curr:trie, result):
    global n
    if curr.end:
        result.append("P")
        n -= 1
    for c in sorted(curr.data.keys(), key=lambda x:curr.data[x].dept):
        result.append(c)
        dfs_trie(curr.data[c], result)
    if n>0:
        result.append("-")
result = []
dfs_trie(tries, result)

print(len(result))
print("\n".join(result))

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 0 / 10
• Subtask 4: 10 / 10
• Subtask 5: 0 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10