Submission #1312595

#	Time	Username	Problem	Language	Result	Execution time	Memory
1312595		algoproclub	Type Printer (IOI08_printer)	Pypy 3	20 / 100	450 ms	129232 KiB

printer

# UUID: 091a6b5b-d40d-496e-9c90-6617ac49fa8a
def dfshossz(hely):
    for i in graf[hely][1]:
        dfshossz(i[1])
    graf[graf[hely][2]][0]=max(graf[graf[hely][2]][0],graf[hely][0]+1)
    graf[hely][1].sort(key= lambda x:x[1],reverse=True)

def dfs(hely):
    for j in range(graf[hely][3]):
        ki.append("P")
    for i in graf[hely][1]:
        ki.append(i[0])
        dfs(i[1])    
    ki.append("-")

n=int(input())
l=[]
for i in range(n):
    l.append(input())
#print(l)
graf=[]

graf=[[0,[],0,0]]
for i in l:
    hely=0
    for ch in i:
        talalt=False
        for j in graf[hely][1]:
            #print(j)
            if j[0]==ch:
                hely=j[1]
                talalt=True
                break
        if not talalt:
            graf[hely][1].append([ch,len(graf)])
            graf.append([0,[],hely,0])
            hely=len(graf)-1
    graf[hely][3]+=1
            
dfshossz(0)      
#print(graf)
ki=[]
dfs(0)
while True:
    if ki[-1]=="-":
        ki.pop()
    else:
        break
#print(ki)
print(len(ki))
for i in ki:
    print(i)



"""
ki=[]
stack=[]
for i in l:
    hely=0
    for j in i:
        if len(stack)==hely:
            break
        elif stack[hely]!=j:
            break
        hely+=1
    if len(stack)>hely:
        while True:
            kidob=len(stack)
            if kidob==hely:
                break
            ki.append("-")
            stack.pop()
    hely=0
    for j in i:
        if len(stack)==hely:
            ki.append(j)
            stack.append(j)
        hely+=1
    ki.append("P")
print(len(ki))
for i in ki:
    print(i)
"""

Compilation message (stdout)

Compiling 'printer.py'...

=======
  adding: __main__.pyc (deflated 42%)

=======

• Subtask 1: 10 / 10
• Subtask 2: 0 / 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