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#606024#8776. Not Another Constructive!rikka_lyly#TL 725ms246028kbC++202.6kb2024-10-02 21:39:242024-10-02 21:39:24

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你现在查看的是最新测评结果

  • [2024-10-02 21:39:24]
  • 评测
  • 测评结果：TL
  • 用时：725ms
  • 内存：246028kb
查看
  • [2024-10-02 21:39:24]
  • 提交

answer

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

#define ll long long
#define ull unsigned long long

void solve()
{
    int n, k;
    cin >> n >> k;
    string s;
    cin >> s;
    vector f(n, vector(n + 1, vector(410, vector<bool>(k + 2))));
    // string ans;
    vector<char> ans;
    bool haveans = 0;
    array<int, 3> dp = {};
    int tot = 0;
    auto dfs = [&](auto self, int cur) -> void
    {
        // tot++;
        // assert(tot < 5e7);
        if(haveans)
            return;
        // if(dp[2] == k)
        // {
        //     haveans = 1;
        //     return;
        // }
        if(cur == n)
        {
            // f[cur][dp[0]][dp[1]][dp[2]] = 1;
            if(dp[2] == k)
                haveans = 1;
            return;
        }
        if(dp[2] > k)
        {
            return;
        }
        if(dp[2] < k && dp[2] + dp[1] > k)
        {
            return;
        }
        if(f[cur][dp[0]][dp[1]][dp[2]])
            return;
        f[cur][dp[0]][dp[1]][dp[2]] = 1;
        if(s[cur] != 'N' && s[cur] != 'A' && s[cur] != 'C')
        {
            char ch;
            if(s[cur] == '?')
                ch = 'X';
            else
                ch = s[cur];
            ans.push_back(ch);
            self(self, cur + 1);
            if(haveans)
                return;
            ans.pop_back();
        }
        if(s[cur] == 'N' || s[cur] == '?')
        {
            dp[0]++;
            ans.push_back('N');
            self(self, cur + 1);
            if(haveans)
                return;
            ans.pop_back();
            dp[0]--;
        }
        if(s[cur] == 'A' || s[cur] == '?')
        {
            dp[1] += dp[0];
            ans.push_back('A');
            self(self, cur + 1);
            if(haveans)
                return;
            ans.pop_back();
            dp[1] -= dp[0];
        }
        if(s[cur] == 'C' || s[cur] == '?')
        {
            dp[2] += dp[1];
            ans.push_back('C');
            self(self, cur + 1);
            if(haveans)
                return;
            ans.pop_back();
            dp[2] -= dp[1];
        }
        return;
    };
    dfs(dfs, 0);
    // cerr << tot << endl;
    if(haveans)
        // cout << ans << '\n';
        {
            for (char ch : ans)
                cout << ch;
            cout << '\n';
        }
    else
        cout << -1 << '\n';
}

int main()
{
    ios::sync_with_stdio(false);
    cin.tie(0), cout.tie(0);
    int t = 1;
    while (t--)
    {
        solve();
    }
}
源文件, 语言: C++20

详细

Test #1:

score: 100
Accepted
time: 3ms
memory: 18880kb

input:

22 2
N??A??????C???????????

output:

NXXAXXXXXXCXXXXXXXXXXC

result:

ok correct

Test #2:

score: 0
Accepted
time: 3ms
memory: 14088kb

input:

18 0
COUNTINGSATELLITES

output:

COUNTINGSATELLITES

result:

ok correct

Test #3:

score: 0
Accepted
time: 1ms
memory: 4160kb

input:

2 1
??

output:

-1

result:

ok correct

Test #4:

score: 0
Accepted
time: 0ms
memory: 4016kb

input:

1 0
?

output:

X

result:

ok correct

Test #5:

score: 0
Accepted
time: 0ms
memory: 3780kb

input:

1 0
N

output:

N

result:

ok correct

Test #6:

score: 0
Accepted
time: 0ms
memory: 3780kb

input:

1 0
X

output:

X

result:

ok correct

Test #7:

score: 0
Accepted
time: 0ms
memory: 3988kb

input:

1 1
?

output:

-1

result:

ok correct

Test #8:

score: 0
Accepted
time: 0ms
memory: 3732kb

input:

1 1
N

output:

-1

result:

ok correct

Test #9:

score: 0
Accepted
time: 1ms
memory: 3668kb

input:

1 1
X

output:

-1

result:

ok correct

Test #10:

score: 0
Accepted
time: 1ms
memory: 4096kb

input:

2 0
??

output:

XX

result:

ok correct

Test #11:

score: 0
Accepted
time: 0ms
memory: 3920kb

input:

2 0
N?

output:

NX

result:

ok correct

Test #12:

score: 0
Accepted
time: 0ms
memory: 3960kb

input:

2 0
?C

output:

XC

result:

ok correct

Test #13:

score: 0
Accepted
time: 0ms
memory: 3816kb

input:

2 1
N?

output:

-1

result:

ok correct

Test #14:

score: 0
Accepted
time: 1ms
memory: 3964kb

input:

2 1
?C

output:

-1

result:

ok correct

Test #15:

score: 0
Accepted
time: 1ms
memory: 4064kb

input:

3 1
???

output:

NAC

result:

ok correct

Test #16:

score: 0
Accepted
time: 1ms
memory: 4124kb

input:

3 1
N??

output:

NAC

result:

ok correct

Test #17:

score: 0
Accepted
time: 0ms
memory: 4124kb

input:

3 1
?A?

output:

NAC

result:

ok correct

Test #18:

score: 0
Accepted
time: 1ms
memory: 4064kb

input:

3 1
??C

output:

NAC

result:

ok correct

Test #19:

score: 0
Accepted
time: 1ms
memory: 4160kb

input:

3 1
NA?

output:

NAC

result:

ok correct

Test #20:

score: 0
Accepted
time: 1ms
memory: 4016kb

input:

3 1
N?C

output:

NAC

result:

ok correct

Test #21:

score: 0
Accepted
time: 1ms
memory: 4328kb

input:

3 1
?AC

output:

NAC

result:

ok correct

Test #22:

score: 0
Accepted
time: 1ms
memory: 4388kb

input:

4 1
????

output:

XNAC

result:

ok correct

Test #23:

score: 0
Accepted
time: 1ms
memory: 4384kb

input:

4 1
X???

output:

XNAC

result:

ok correct

Test #24:

score: 0
Accepted
time: 1ms
memory: 4624kb

input:

4 1
???Z

output:

NACZ

result:

ok correct

Test #25:

score: 0
Accepted
time: 1ms
memory: 4348kb

input:

4 1
?AA?

output:

-1

result:

ok correct

Test #26:

score: 0
Accepted
time: 1ms
memory: 4388kb

input:

4 1
N???

output:

NXAC

result:

ok correct

Test #27:

score: 0
Accepted
time: 1ms
memory: 4276kb

input:

4 1
?N??

output:

XNAC

result:

ok correct

Test #28:

score: 0
Accepted
time: 0ms
memory: 4328kb

input:

4 1
??N?

output:

NANC

result:

ok correct

Test #29:

score: 0
Accepted
time: 0ms
memory: 4324kb

input:

4 1
???N

output:

NACN

result:

ok correct

Test #30:

score: 0
Accepted
time: 1ms
memory: 4388kb

input:

4 1
A???

output:

ANAC

result:

ok correct

Test #31:

score: 0
Accepted
time: 1ms
memory: 4328kb

input:

4 1
?A??

output:

NAXC

result:

ok correct

Test #32:

score: 0
Accepted
time: 0ms
memory: 4380kb

input:

4 1
??A?

output:

XNAC

result:

ok correct

Test #33:

score: 0
Accepted
time: 0ms
memory: 4424kb

input:

4 1
???A

output:

NACA

result:

ok correct

Test #34:

score: 0
Accepted
time: 0ms
memory: 4272kb

input:

4 1
C???

output:

CNAC

result:

ok correct

Test #35:

score: 0
Accepted
time: 1ms
memory: 4400kb

input:

4 1
?C??

output:

NCAC

result:

ok correct

Test #36:

score: 0
Accepted
time: 0ms
memory: 4332kb

input:

4 1
??C?

output:

NACX

result:

ok correct

Test #37:

score: 0
Accepted
time: 1ms
memory: 4324kb

input:

4 1
???C

output:

XNAC

result:

ok correct

Test #38:

score: 0
Accepted
time: 1ms
memory: 4708kb

input:

5 4
?????

output:

NNAAC

result:

ok correct

Test #39:

score: 0
Accepted
time: 2ms
memory: 5084kb

input:

6 14
??????

output:

-1

result:

ok correct

Test #40:

score: 0
Accepted
time: 2ms
memory: 5752kb

input:

7 14
???????

output:

-1

result:

ok correct

Test #41:

score: 0
Accepted
time: 0ms
memory: 6008kb

input:

8 43
????????

output:

-1

result:

ok correct

Test #42:

score: 0
Accepted
time: 3ms
memory: 6492kb

input:

9 55
?????????

output:

-1

result:

ok correct

Test #43:

score: 0
Accepted
time: 3ms
memory: 7108kb

input:

10 112
??????????

output:

-1

result:

ok correct

Test #44:

score: 0
Accepted
time: 9ms
memory: 8020kb

input:

11 110
???????????

output:

-1

result:

ok correct

Test #45:

score: 0
Accepted
time: 4ms
memory: 8488kb

input:

12 4
????????????

output:

XXXXXXXNNAAC

result:

ok correct

Test #46:

score: 0
Accepted
time: 5ms
memory: 10620kb

input:

13 193
?????????????

output:

-1

result:

ok correct

Test #47:

score: 0
Accepted
time: 10ms
memory: 10096kb

input:

14 91
??????????????

output:

NNNNANAAACACCC

result:

ok correct

Test #48:

score: 0
Accepted
time: 7ms
memory: 11056kb

input:

15 15
???????????????

output:

XXXXXXXNNNAACAC

result:

ok correct

Test #49:

score: 0
Accepted
time: 9ms
memory: 13804kb

input:

16 261
????????????????

output:

-1

result:

ok correct

Test #50:

score: 0
Accepted
time: 8ms
memory: 19212kb

input:

17 514
?????????????????

output:

-1

result:

ok correct

Test #51:

score: 0
Accepted
time: 25ms
memory: 23300kb

input:

18 678
??????????????????

output:

-1

result:

ok correct

Test #52:

score: 0
Accepted
time: 13ms
memory: 15212kb

input:

19 40
???????????????????

output:

XXXXXXXXNNNNNAAAACC

result:

ok correct

Test #53:

score: 0
Accepted
time: 40ms
memory: 35812kb

input:

20 1019
????????????????????

output:

-1

result:

ok correct

Test #54:

score: 0
Accepted
time: 20ms
memory: 45316kb

input:

21 1218
?????????????????????

output:

-1

result:

ok correct

Test #55:

score: 0
Accepted
time: 30ms
memory: 52588kb

input:

22 1348
??????????????????????

output:

-1

result:

ok correct

Test #56:

score: 0
Accepted
time: 46ms
memory: 31420kb

input:

23 476
???????????????????????

output:

-1

result:

ok correct

Test #57:

score: 0
Accepted
time: 68ms
memory: 61428kb

input:

24 1445
????????????????????????

output:

-1

result:

ok correct

Test #58:

score: 0
Accepted
time: 97ms
memory: 61948kb

input:

25 1331
?????????????????????????

output:

-1

result:

ok correct

Test #59:

score: 0
Accepted
time: 48ms
memory: 38744kb

input:

26 459
??????????????????????????

output:

XXNNNNNNNNNAAANAAACACCCCCC

result:

ok correct

Test #60:

score: 0
Accepted
time: 33ms
memory: 36360kb

input:

27 398
???????????????????????????

output:

XXXXNNNNNNNNNAANAAAACACCCCC

result:

ok correct

Test #61:

score: 0
Accepted
time: 24ms
memory: 33576kb

input:

28 274
????????????????????????????

output:

XXXXXXXXNNNNNNNANAAAACACCCCC

result:

ok correct

Test #62:

score: 0
Accepted
time: 189ms
memory: 98628kb

input:

29 1624
?????????????????????????????

output:

-1

result:

ok correct

Test #63:

score: 0
Accepted
time: 259ms
memory: 123516kb

input:

30 2079
??????????????????????????????

output:

-1

result:

ok correct

Test #64:

score: 0
Accepted
time: 329ms
memory: 131388kb

input:

31 2067
???????????????????????????????

output:

-1

result:

ok correct

Test #65:

score: 0
Accepted
time: 387ms
memory: 97780kb

input:

32 1267
????????????????????????????????

output:

-1

result:

ok correct

Test #66:

score: 0
Accepted
time: 197ms
memory: 81512kb

input:

33 928
?????????????????????????????????

output:

XXXNNNNNNNNNNNNANAAAAAAAACCCCCCCC

result:

ok correct

Test #67:

score: 0
Accepted
time: 64ms
memory: 46916kb

input:

34 298
??????????????????????????????????

output:

XXXXXXXXXXXXXNNNNNNNANAAAAACCCCACC

result:

ok correct

Test #68:

score: 0
Accepted
time: 725ms
memory: 181848kb

input:

35 2361
???????????????????????????????????

output:

-1

result:

ok correct

Test #69:

score: 0
Accepted
time: 89ms
memory: 69448kb

input:

36 489
????????????????????????????????????

output:

XXXXXXXXXXXXNNNNNNNANAAAAAAACACCCCCC

result:

ok correct

Test #70:

score: 0
Accepted
time: 76ms
memory: 54816kb

input:

37 294
?????????????????????????????????????

output:

XXXXXXXXXXXXXXXXXNNNNNNNAAAAAAACCCCCC

result:

ok correct

Test #71:

score: 0
Accepted
time: 701ms
memory: 154388kb

input:

38 1558
??????????????????????????????????????

output:

XXNNNNNNNNNNNNNNNANAAAAAAAACCACCCCCCCC

result:

ok correct

Test #72:

score: 0
Accepted
time: 501ms
memory: 142040kb

input:

39 1319
???????????????????????????????????????

output:

XXXXXNNNNNNNNNNNNNANAAAAAAACCCCACCCCCCC

result:

ok correct

Test #73:

score: 0
Accepted
time: 263ms
memory: 127176kb

input:

40 993
????????????????????????????????????????

output:

XXXXXXXXXNNNNNNNNNNNNANAAAAAAAACCCACCCCC

result:

ok correct

Test #74:

score: 0
Accepted
time: 94ms
memory: 84688kb

input:

40 498
ACNANACNNACNACNNNCNCNNNANNNACNCCACAA?ANA

output:

-1

result:

ok correct

Test #75:

score: 0
Accepted
time: 65ms
memory: 116784kb

input:

40 855
NAAANAACNNNCNAANCNANCNANACANCCAANCACNCAC

output:

-1

result:

ok correct

Test #76:

score: 0
Accepted
time: 100ms
memory: 127280kb

input:

40 1007
?CNACNNAANACANACNACCC?CAANNCCCCANNANCACN

output:

-1

result:

ok correct

Test #77:

score: 0
Accepted
time: 117ms
memory: 192104kb

input:

40 1778
NACANANN?CCANNCCAACNNCCNCCCNCCNACCNC?NNN

output:

-1

result:

ok correct

Test #78:

score: 0
Accepted
time: 44ms
memory: 224300kb

input:

40 2186
ACCCACAN?NNA?AACCNNNN?ANACCANCNCNNCA?NCN

output:

-1

result:

ok correct

Test #79:

score: 0
Accepted
time: 35ms
memory: 73744kb

input:

40 332
ACAC?NCCCANAA?ACCNNC?NAC?CAC?CNCNNACNNNN

output:

-1

result:

ok correct

Test #80:

score: 0
Accepted
time: 23ms
memory: 106048kb

input:

40 712
ANCNANAAC?CACAACA?CNACCCANAACCA?CNNAANCN

output:

-1

result:

ok correct

Test #81:

score: 0
Accepted
time: 88ms
memory: 138132kb

input:

40 1127
C?CAAAANNCANANAC?NCANACANAACAACANNCCNCAC

output:

-1

result:

ok correct

Test #82:

score: 0
Accepted
time: 107ms
memory: 191952kb

input:

40 1835
CANNCAANNNAANANNCACANAC?CCCCAACA?NNNCAC?

output:

-1

result:

ok correct

Test #83:

score: 0
Accepted
time: 79ms
memory: 213420kb

input:

40 2009
CANAAAN?ANAACNCCNCCNCAAANCANCCAN?CCNCAAN

output:

-1

result:

ok correct

Test #84:

score: 0
Accepted
time: 96ms
memory: 52140kb

input:

40 54
CNAC?ACAAC?ACC?ANC?C?NNCAANCCAC?NCN?CACA

output:

-1

result:

ok correct

Test #85:

score: 0
Accepted
time: 127ms
memory: 116884kb

input:

40 955
?A?ANA?NN?C?ANC??CNNACAAC?N?AAN?AN??ANNA

output:

-1

result:

ok correct

Test #86:

score: 0
Accepted
time: 133ms
memory: 159784kb

input:

40 1451
??CCCA?N?ACCN?C???NNN??C?ANAN??NCNA??NAN

output:

-1

result:

ok correct

Test #87:

score: 0
Accepted
time: 116ms
memory: 170376kb

input:

40 1526
CN??AC?CCCCNACCNCNCCNC?CAAN?C?CA??ANCN?A

output:

-1

result:

ok correct

Test #88:

score: 0
Accepted
time: 68ms
memory: 246028kb

input:

40 2453
C?NC?CCAAN?ACCCNCC??ACAANCANCNCNNAACC?NN

output:

-1

result:

ok correct

Test #89:

score: 0
Accepted
time: 77ms
memory: 52152kb

input:

40 166
?NC??AACAN??NCA?CCAA?A??CNNN?ACNN?AN?ANC

output:

XNCXXAACANXXNCAXCCAAXAXACNNNAACNNAANCANC

result:

ok correct

Test #90:

score: 0
Accepted
time: 155ms
memory: 116840kb

input:

40 887
?NA?AN?N?A?ANN??N?ANCAN?N????AC?NN?NA???

output:

XNAXANNNNANANNANNAANCANANAACCACCNNCNACCC

result:

ok correct

Test #91:

score: 0
Accepted
time: 81ms
memory: 148840kb

input:

40 1310
CCN?NNANC??CANN??NC?N??NA?NNNNCN?N?CCCCC

output:

-1

result:

ok correct

Test #92:

score: 0
Accepted
time: 71ms
memory: 170204kb

input:

40 1568
ANCN?N?NACC??NNN?AAC?AANA?CA?NC?CNNAN??N

output:

-1

result:

ok correct

Test #93:

score: 0
Accepted
time: 148ms
memory: 213284kb

input:

40 2035
CA?N?ACCNN??CANA?NC?NACNC??CC???NCA?N?AC

output:

-1

result:

ok correct

Test #94:

score: 0
Accepted
time: 19ms
memory: 52088kb

input:

40 126
AC?CACCCN???C?NCCN?NN??CN?CNCN?C?N?C?A?C

output:

ACXCACCCNXXXCXNCCNXNNXXCNXCNCNACANACCACC

result:

ok correct

Test #95:

score: 0
Accepted
time: 115ms
memory: 127224kb

input:

40 962
CCC???A??????AN?N???C?NN??CANA?CNA??N???

output:

CCCNNNANNNNNNANANAAACCNNCACANAACNACCNCCC

result:

ok correct

Test #96:

score: 0
Accepted
time: 79ms
memory: 127128kb

input:

40 1043
?A??NANA?CN?N?AN?ANN?CNAANCC??AAANNN????

output:

-1

result:

ok correct

Test #97:

score: 0
Accepted
time: 247ms
memory: 181068kb

input:

40 1638
N?ANA?NA???A??N?CNNAA???NC????CNN??AC??N

output:

-1

result:

ok correct

Test #98:

score: 0
Accepted
time: 109ms
memory: 235008kb

input:

40 2240
NNC??NCA???N?N?NNC??CNNNAN??C?AN??AC?C??

output:

-1

result:

ok correct

Test #99:

score: 0
Accepted
time: 100ms
memory: 52128kb

input:

40 55
N?NCNC????C?A??A?A?NN??ACC??C??NC???ACN?

output:

-1

result:

ok correct

Test #100:

score: 0
Accepted
time: 72ms
memory: 95268kb

input:

40 639
C???NN??C?N?N????N?CA?NCAN????AN????NA??

output:

CXXXNNXXCXNNNNNNANNCAANCANAAACANACCCNACC

result:

ok correct

Test #101:

score: 0
Accepted
time: 132ms
memory: 159648kb

input:

40 1438
?C?A?NA?AN???CA???NAAAN??A?NNANNCAA?????

output:

-1

result:

ok correct

Test #102:

score: 0
Accepted
time: 239ms
memory: 181152kb

input:

40 1660
???C?A???????NN??AANNAC???A?CN??ACN?AC?C

output:

-1

result:

ok correct

Test #103:

score: 0
Accepted
time: 418ms
memory: 213196kb

input:

40 2016
??AA??N?N??A?C?C????????C????C?C?CN??N?A

output:

-1

result:

ok correct

Test #104:

score: 0
Accepted
time: 78ms
memory: 63140kb

input:

40 242
?C???A???AA??A??C?CN???C???A?ANA?NN??AA?

output:

XCXXXAXXXAAXNANNCNCNNNNCAACAAANACNNCCAAC

result:

ok correct

Test #105:

score: 0
Accepted
time: 90ms
memory: 105960kb

input:

40 711
??A?AA?C??C???CCNA?????C????A?????A??C??

output:

XXAXAAXCNNCNNNCCNANNNNACNAAAAAACACACCCCC

result:

ok correct

Test #106:

score: 0
Accepted
time: 175ms
memory: 138128kb

input:

40 1094
??AACN??N?A?????C????AA??CC???CC?N?A????

output:

XXAACNNNNNANNNNNCANAAAAAACCAACCCANCACCCC

result:

ok correct

Test #107:

score: 0
Accepted
time: 125ms
memory: 202792kb

input:

40 1878
?A??AACCA????N???A???C?C?C??C?NANC?N?NAC

output:

-1

result:

ok correct

Test #108:

score: 0
Accepted
time: 183ms
memory: 213404kb

input:

40 2082
AC??ACANC?CN?C?N???C?N???N??C?CC?????C?C

output:

-1

result:

ok correct

Test #109:

score: 0
Accepted
time: 36ms
memory: 62968kb

input:

40 268
N?N??NNNCNC??CAC????A?C?????N???AN??NC??

output:

NXNXXNNNCNCXXCACXXXXAXCXXXNANAACANCCNCCC

result:

ok correct

Test #110:

score: 0
Accepted
time: 169ms
memory: 127340kb

input:

40 960
?????????N???NA?????????C??AC???AN?A???A

output:

XXXXXXNNNNNNNNANNNAAANAACAAACCCCANCACCCA

result:

ok correct

Test #111:

score: 0
Accepted
time: 418ms
memory: 149008kb

input:

40 1342
???C?????C?????NA?N??N?C?????A?N???NA???

output:

NNNCNNNNNCNNNAANAANAANACACACAACNCCCNACCC

result:

ok correct

Test #112:

score: 0
Accepted
time: 323ms
memory: 191988kb

input:

40 1739
?A?A???A???N?A??N???C???NCC??C??ANN???A?

output:

-1

result:

ok correct

Test #113:

score: -100
Time Limit Exceeded

input:

40 2484
??????N????N?????N?C??N????????????A???N

output:

result:
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服务器时间: 2024-12-13 03:56:09 | 开源项目