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ID	Problem	Submitter	Result	Time	Memory	Language	File size	Submit time	Judge time
#243840	#7692. Prof. Fumblemore and the Collatz Conjecture	SolitaryDream^#	AC ✓	0ms	3708kb	C++17	1.1kb	2023-11-08 18:03:47	2023-11-08 18:03:48

Judging History

你现在查看的是最新测评结果

[2023-11-08 18:03:48]
评测

测评结果：AC
用时：0ms
内存：3708kb

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[2023-11-08 18:03:47]
提交

answer

#include<bits/stdc++.h>
using namespace std;

using ll=__int128;

string s;

void prt(ll w)
{
    if(w>=10)
        prt(w/10);
    cout<<(int)(w%10);
}

int main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);
    cin>>s;
    if(s.back()!='O')
    {
        cout<<"INVALID";
        return 0;
    }
    for(int i=0;i+1<s.size();i++)
        if(s[i]=='O'&&s[i+1]=='O')
        {
            cout<<"INVALID\n";
            return 0;
        }   
    ll ans=-1;
    for(ll i=4,j=0;j<=80;i<<=1,j++)
    {
        ll w=i;
        auto t=s;
        bool ok=1;
        while(t.size())
        {
            if(t.back()=='O')
            {
                w--;
                if(w<0||w%3)
                {
                    ok=0;
                    break;
                }
                w/=3;
            }
            else
                w*=2;
            t.pop_back();
            if((w&(w-1))==0)
                ok=0;
        }
        if(ok)
        {
            ans=w;
            break;
        }
    }
    prt(ans);
    cout<<"\n";
}

Source code, Language: C++17

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100

Accepted

time: 0ms

memory: 3580kb

input:

EEOEO

output:

result:

ok single line: '12'

Test #2:

score: 0

Accepted

time: 0ms

memory: 3640kb

input:

EEOOEO

output:

INVALID

result:

ok single line: 'INVALID'

Test #3:

score: 0

Accepted

time: 0ms

memory: 3544kb

input:

OEOEOEOEOEOEOEEEEEEOEEEOEEEOEEEOEOEEOEEEO

output:

result:

ok single line: '383'

Test #4:

score: 0

Accepted

time: 0ms

memory: 3616kb

input:

OEOEEEEEOEOEEEEOEEEEOEOEOEEOEEEO

output:

result:

ok single line: '931'

Test #5:

score: 0

Accepted

time: 0ms

memory: 3620kb

input:

OEEOEEOEEOEOEOEOEEEEEEOEOEEOEEOEEEEOEOEOEEOEEEO

output:

result:

ok single line: '641'

Test #6:

score: 0

Accepted

time: 0ms

memory: 3704kb

input:

OEOEEOEEOEEOEEOEEEEOEEEOEOEOEEEEEO

output:

result:

ok single line: '683'

Test #7:

score: 0

Accepted

time: 0ms

memory: 3604kb

input:

OEEOEEEOEOEEEEOEEEEOEOEOEEOEEEO

output:

result:

ok single line: '465'

Test #8:

score: 0

Accepted

time: 0ms

memory: 3708kb

input:

OEEOEEOEOEOEOEEEEEEOEOEEOEEOEEEEOEOEOEEOEEEO

output:

result:

ok single line: '481'

Test #9:

score: 0

Accepted

time: 0ms

memory: 3608kb

input:

OEEOEOEO

output:

result:

ok single line: '201'

Test #10:

score: 0

Accepted

time: 0ms

memory: 3572kb

input:

OEEEEOEEOEOEEEOEOEEOEEEO

output:

result:

ok single line: '133'

Test #11:

score: 0

Accepted

time: 0ms

memory: 3624kb

input:

OEOEOEOEEOEEEEEEEEEEOEOEOEEOEEEO

output:

result:

ok single line: '943'

Test #12:

score: 0

Accepted

time: 0ms

memory: 3556kb

input:

OEEEOEEO

output:

result:

ok single line: '301'

Test #13:

score: 0

Accepted

time: 0ms

memory: 3612kb

input:

OEOEOEEEEEEOEOEEOEEOEEEEOEOEOEEOEEEO

output:

result:

ok single line: '407'

Test #14:

score: 0

Accepted

time: 0ms

memory: 3628kb

input:

OEOEOEOEOEOEEOEEEEOEEEOEEEOEEEOEOEEOEEEO

output:

result:

ok single line: '191'

Test #15:

score: 0

Accepted

time: 0ms

memory: 3604kb

input:

OEEEOEO

output:

result:

ok single line: '605'

Test #16:

score: 0

Accepted

time: 0ms

memory: 3612kb

input:

OEOEOEOEEOEEEEOEEEOEEEOEEEOEOEEOEEEO

output:

result:

ok single line: '431'

Test #17:

score: 0

Accepted

time: 0ms

memory: 3576kb

input:

OEOEEEOEEEOEOEOEEEOEEEEOEOEEEOEOEEOEEEO

output:

result:

ok single line: '563'

Test #18:

score: 0

Accepted

time: 0ms

memory: 3620kb

input:

OEEOEEEEEOEEOEEEO

output:

result:

ok single line: '241'

Test #19:

score: 0

Accepted

time: 0ms

memory: 3588kb

input:

OEEEOEEEEOEOEEEOEOEEOEEEO

output:

result:

ok single line: '269'

Test #20:

score: 0

Accepted

time: 0ms

memory: 3612kb

input:

EEOEOEOEEOEEEEOEOEEOEEOEEEEOEOEOEEOEEEO

output:

result:

ok single line: '540'

Test #21:

score: 0

Accepted

time: 0ms

memory: 3704kb

input:

OEOEOEOEOEOEEEEEEOEEEOEEEOEEEOEOEEOEEEO

output:

result:

ok single line: '575'

Test #22:

score: 0

Accepted

time: 0ms

memory: 3624kb

input:

EEOEEOEOEEEEEOEOEOEEEEEO

output:

result:

ok single line: '868'

Test #23:

score: 0

Accepted

time: 0ms

memory: 3552kb

input:

OEOEOEO

output:

26512143

result:

ok single line: '26512143'

Test #24:

score: 0

Accepted

time: 0ms

memory: 3676kb

input:

OEOEOEEO

output:

13256071

result:

ok single line: '13256071'

Test #25:

score: 0

Accepted

time: 0ms

memory: 3608kb

input:

EEO

output:

result:

ok single line: '20'

Test #26:

score: 0

Accepted

time: 0ms

memory: 3616kb

input:

EOEOEOEOEOEOEOEOEOEOEOEOEOEOEOEOEOEOEOEOEOEOEOEOEE

output:

INVALID

result:

ok single line: 'INVALID'

Test #27:

score: 0

Accepted

time: 0ms

memory: 3612kb

input:

EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEO

output:

43980465111040

result:

ok single line: '43980465111040'

Test #28:

score: 0

Accepted

time: 0ms

memory: 3604kb

input:

EEEEEEEEEEOEEEOEEEEOEOEEOEEEEEOEEEEEEEOEEOEEEEEEEO

output:

7321693729792

result:

ok single line: '7321693729792'

Test #29:

score: 0

Accepted

time: 0ms

memory: 3624kb

input:

EEEOEEEOEEOEEEEEOEEEEEEEOEEEEEEEEEEEEEEEEOEEEEEO

output:

1028529777000

result:

ok single line: '1028529777000'