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ID	题目	提交者	结果	用时	内存	语言	文件大小	提交时间	测评时间
#235730	#7692. Prof. Fumblemore and the Collatz Conjecture	cheems_is_hiring	AC ✓	15ms	9072kb	Python3	951b	2023-11-03 07:17:07	2023-11-03 07:17:07

Judging History

你现在查看的是最新测评结果

[2023-11-03 07:17:07]
评测

测评结果：AC
用时：15ms
内存：9072kb

查看

[2023-11-03 07:17:07]
提交

answer

inf  = 1e50

def getStr(node) :
    ans = "" 
    while (node & (node - 1)) : 
        #print(node)
        if node % 2 == 0: 
            ans += "E"
            node = node // 2
        else : 
            ans += "O"
            node = node * 3 + 1
    return ans

def f(node, s) : 
    s = s[::-1]
    #print(str(node) + " " + s)    
    for i in range(0, len(s)) : 
        if s[i] == 'O' : 
            if (node - 1) % 3 == 0 : 
                node = (node - 1) // 3
    #            print(node)
            else : 
                return inf
        else : 
            node = node * 2
    #        print(node)
    #print("? " + str(node))
    
    s = s[::-1]
    if node <= (2 ** 47) and getStr(node) == s: 
        return node
    else : 
        return inf

s = input()
ans = inf
for i in range(4, 70) : 
    ans = min(ans, f(2 ** i, s))
if ans == inf :
    print("INVALID")
else : 
    print(ans)

源文件, 语言: Python3

詳細信息

Test #1:

score: 100

Accepted

time: 8ms

memory: 9024kb

input:

EEOEO

output:

result:

ok single line: '12'

Test #2:

score: 0

Accepted

time: 15ms

memory: 9028kb

input:

EEOOEO

output:

INVALID

result:

ok single line: 'INVALID'

Test #3:

score: 0

Accepted

time: 14ms

memory: 8952kb

input:

OEOEOEOEOEOEOEEEEEEOEEEOEEEOEEEOEOEEOEEEO

output:

result:

ok single line: '383'

Test #4:

score: 0

Accepted

time: 11ms

memory: 8904kb

input:

OEOEEEEEOEOEEEEOEEEEOEOEOEEOEEEO

output:

result:

ok single line: '931'

Test #5:

score: 0

Accepted

time: 7ms

memory: 8936kb

input:

OEEOEEOEEOEOEOEOEEEEEEOEOEEOEEOEEEEOEOEOEEOEEEO

output:

result:

ok single line: '641'

Test #6:

score: 0

Accepted

time: 9ms

memory: 9024kb

input:

OEOEEOEEOEEOEEOEEEEOEEEOEOEOEEEEEO

output:

result:

ok single line: '683'

Test #7:

score: 0

Accepted

time: 14ms

memory: 8964kb

input:

OEEOEEEOEOEEEEOEEEEOEOEOEEOEEEO

output:

result:

ok single line: '465'

Test #8:

score: 0

Accepted

time: 11ms

memory: 8964kb

input:

OEEOEEOEOEOEOEEEEEEOEOEEOEEOEEEEOEOEOEEOEEEO

output:

result:

ok single line: '481'

Test #9:

score: 0

Accepted

time: 14ms

memory: 8972kb

input:

OEEOEOEO

output:

result:

ok single line: '201'

Test #10:

score: 0

Accepted

time: 14ms

memory: 8964kb

input:

OEEEEOEEOEOEEEOEOEEOEEEO

output:

result:

ok single line: '133'

Test #11:

score: 0

Accepted

time: 14ms

memory: 8904kb

input:

OEOEOEOEEOEEEEEEEEEEOEOEOEEOEEEO

output:

result:

ok single line: '943'

Test #12:

score: 0

Accepted

time: 9ms

memory: 8960kb

input:

OEEEOEEO

output:

result:

ok single line: '301'

Test #13:

score: 0

Accepted

time: 13ms

memory: 8936kb

input:

OEOEOEEEEEEOEOEEOEEOEEEEOEOEOEEOEEEO

output:

result:

ok single line: '407'

Test #14:

score: 0

Accepted

time: 8ms

memory: 8996kb

input:

OEOEOEOEOEOEEOEEEEOEEEOEEEOEEEOEOEEOEEEO

output:

result:

ok single line: '191'

Test #15:

score: 0

Accepted

time: 12ms

memory: 8940kb

input:

OEEEOEO

output:

result:

ok single line: '605'

Test #16:

score: 0

Accepted

time: 10ms

memory: 8900kb

input:

OEOEOEOEEOEEEEOEEEOEEEOEEEOEOEEOEEEO

output:

result:

ok single line: '431'

Test #17:

score: 0

Accepted

time: 14ms

memory: 8964kb

input:

OEOEEEOEEEOEOEOEEEOEEEEOEOEEEOEOEEOEEEO

output:

result:

ok single line: '563'

Test #18:

score: 0

Accepted

time: 14ms

memory: 8952kb

input:

OEEOEEEEEOEEOEEEO

output:

result:

ok single line: '241'

Test #19:

score: 0

Accepted

time: 8ms

memory: 8956kb

input:

OEEEOEEEEOEOEEEOEOEEOEEEO

output:

result:

ok single line: '269'

Test #20:

score: 0

Accepted

time: 9ms

memory: 8964kb

input:

EEOEOEOEEOEEEEOEOEEOEEOEEEEOEOEOEEOEEEO

output:

result:

ok single line: '540'

Test #21:

score: 0

Accepted

time: 9ms

memory: 8940kb

input:

OEOEOEOEOEOEEEEEEOEEEOEEEOEEEOEOEEOEEEO

output:

result:

ok single line: '575'

Test #22:

score: 0

Accepted

time: 6ms

memory: 8944kb

input:

EEOEEOEOEEEEEOEOEOEEEEEO

output:

result:

ok single line: '868'

Test #23:

score: 0

Accepted

time: 14ms

memory: 8964kb

input:

OEOEOEO

output:

26512143

result:

ok single line: '26512143'

Test #24:

score: 0

Accepted

time: 14ms

memory: 8960kb

input:

OEOEOEEO

output:

13256071

result:

ok single line: '13256071'

Test #25:

score: 0

Accepted

time: 14ms

memory: 9072kb

input:

EEO

output:

result:

ok single line: '20'

Test #26:

score: 0

Accepted

time: 10ms

memory: 8972kb

input:

EOEOEOEOEOEOEOEOEOEOEOEOEOEOEOEOEOEOEOEOEOEOEOEOEE

output:

INVALID

result:

ok single line: 'INVALID'

Test #27:

score: 0

Accepted

time: 14ms

memory: 8904kb

input:

EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEO

output:

43980465111040

result:

ok single line: '43980465111040'

Test #28:

score: 0

Accepted

time: 14ms

memory: 8968kb

input:

EEEEEEEEEEOEEEOEEEEOEOEEOEEEEEOEEEEEEEOEEOEEEEEEEO

output:

7321693729792

result:

ok single line: '7321693729792'

Test #29:

score: 0

Accepted

time: 14ms

memory: 8872kb

input:

EEEOEEEOEEOEEEEEOEEEEEEEOEEEEEEEEEEEEEEEEOEEEEEO

output:

1028529777000

result:

ok single line: '1028529777000'