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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
#490698#8776. Not Another Constructive!msk_samaAC ✓5ms12772kbC++141.4kb2024-07-25 16:08:182024-07-25 16:08:18

Judging History

你现在查看的是最新测评结果

  • [2024-07-25 16:08:18]
  • 评测
  • 测评结果:AC
  • 用时:5ms
  • 内存:12772kb
  • [2024-07-25 16:08:18]
  • 提交

answer

#include <bits/stdc++.h>
#define MISAKA main
#define ll long long
using namespace std;
inline int read(){
    char ch=getchar();int f=1,x=0;
    while(ch<'0'||ch>'9'){if(ch=='-') f=-1;ch=getchar();}
    while(ch>='0'&&ch<='9'){x=(x<<3)+(x<<1)+(ch^48);ch=getchar();}
    return x*f;
}
const double eps=1e-9;
const int N=50,inf=1e9,mod=998244353;
int n,k,p=0,q=0;char s[N];
bitset<2501> f[N][N][N];
signed MISAKA(){
    scanf("%d%d%s",&n,&k,s+1);
    for(int i=0;i<=n;i++) f[0][0][i][0]=1;
    for(int i=1;i<=n;i++)
        for(int j=0;j<=i;j++)
            for(int k=0;k<=n-i;k++){
                if(s[i]=='N'||s[i]=='?')if(j) f[i][j][k]|=f[i-1][j-1][k];
                if(s[i]=='C'||s[i]=='?') f[i][j][k]|=f[i-1][j][k+1];
                if(s[i]=='A'||s[i]=='?') f[i][j][k]|=f[i-1][j][k]<<j*k;
                if(s[i]!='A'&&s[i]!='N'&&s[i]!='C') f[i][j][k]|=f[i-1][j][k];
            }
    while(p<=n&&!f[n][p][0][k]) p++;
    if(p==n+1) puts("-1"),exit(0);
    for(int i=n;i>=1;i--){
        if(s[i]=='N') p--;
        else if(s[i]=='C') q++;
        else if(s[i]=='A') k-=p*q;
        else{
            if(f[i-1][p][q][k]) s[i]=s[i]=='?'?'B':s[i];
            else if(f[i-1][p-1][q][k]) p--,s[i]='N';
            else if(f[i-1][p][q+1][k]) q++,s[i]='C';
            else k-=p*q,s[i]='A';
        }
    }
    printf("%s",s+1);
    return 0;
}

详细

Test #1:

score: 100
Accepted
time: 2ms
memory: 5600kb

input:

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

output:

NABABBBBBBCBBBBBBBBBBB

result:

ok correct

Test #2:

score: 0
Accepted
time: 0ms
memory: 4888kb

input:

18 0
COUNTINGSATELLITES

output:

COUNTINGSATELLITES

result:

ok correct

Test #3:

score: 0
Accepted
time: 1ms
memory: 3764kb

input:

2 1
??

output:

-1

result:

ok correct

Test #4:

score: 0
Accepted
time: 0ms
memory: 3800kb

input:

1 0
?

output:

B

result:

ok correct

Test #5:

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

input:

1 0
N

output:

N

result:

ok correct

Test #6:

score: 0
Accepted
time: 0ms
memory: 3804kb

input:

1 0
X

output:

X

result:

ok correct

Test #7:

score: 0
Accepted
time: 0ms
memory: 3612kb

input:

1 1
?

output:

-1

result:

ok correct

Test #8:

score: 0
Accepted
time: 0ms
memory: 3688kb

input:

1 1
N

output:

-1

result:

ok correct

Test #9:

score: 0
Accepted
time: 0ms
memory: 3756kb

input:

1 1
X

output:

-1

result:

ok correct

Test #10:

score: 0
Accepted
time: 0ms
memory: 3768kb

input:

2 0
??

output:

BB

result:

ok correct

Test #11:

score: 0
Accepted
time: 0ms
memory: 3828kb

input:

2 0
N?

output:

NB

result:

ok correct

Test #12:

score: 0
Accepted
time: 0ms
memory: 3828kb

input:

2 0
?C

output:

BC

result:

ok correct

Test #13:

score: 0
Accepted
time: 0ms
memory: 3616kb

input:

2 1
N?

output:

-1

result:

ok correct

Test #14:

score: 0
Accepted
time: 0ms
memory: 3764kb

input:

2 1
?C

output:

-1

result:

ok correct

Test #15:

score: 0
Accepted
time: 0ms
memory: 3924kb

input:

3 1
???

output:

NAC

result:

ok correct

Test #16:

score: 0
Accepted
time: 0ms
memory: 3776kb

input:

3 1
N??

output:

NAC

result:

ok correct

Test #17:

score: 0
Accepted
time: 0ms
memory: 3776kb

input:

3 1
?A?

output:

NAC

result:

ok correct

Test #18:

score: 0
Accepted
time: 0ms
memory: 3784kb

input:

3 1
??C

output:

NAC

result:

ok correct

Test #19:

score: 0
Accepted
time: 0ms
memory: 3848kb

input:

3 1
NA?

output:

NAC

result:

ok correct

Test #20:

score: 0
Accepted
time: 0ms
memory: 3844kb

input:

3 1
N?C

output:

NAC

result:

ok correct

Test #21:

score: 0
Accepted
time: 0ms
memory: 3736kb

input:

3 1
?AC

output:

NAC

result:

ok correct

Test #22:

score: 0
Accepted
time: 0ms
memory: 3860kb

input:

4 1
????

output:

NACB

result:

ok correct

Test #23:

score: 0
Accepted
time: 0ms
memory: 3956kb

input:

4 1
X???

output:

XNAC

result:

ok correct

Test #24:

score: 0
Accepted
time: 0ms
memory: 3864kb

input:

4 1
???Z

output:

NACZ

result:

ok correct

Test #25:

score: 0
Accepted
time: 0ms
memory: 3628kb

input:

4 1
?AA?

output:

-1

result:

ok correct

Test #26:

score: 0
Accepted
time: 0ms
memory: 3944kb

input:

4 1
N???

output:

NACB

result:

ok correct

Test #27:

score: 0
Accepted
time: 0ms
memory: 3752kb

input:

4 1
?N??

output:

BNAC

result:

ok correct

Test #28:

score: 0
Accepted
time: 0ms
memory: 3872kb

input:

4 1
??N?

output:

NANC

result:

ok correct

Test #29:

score: 0
Accepted
time: 0ms
memory: 3884kb

input:

4 1
???N

output:

NACN

result:

ok correct

Test #30:

score: 0
Accepted
time: 0ms
memory: 3812kb

input:

4 1
A???

output:

ANAC

result:

ok correct

Test #31:

score: 0
Accepted
time: 0ms
memory: 3888kb

input:

4 1
?A??

output:

NACB

result:

ok correct

Test #32:

score: 0
Accepted
time: 0ms
memory: 3876kb

input:

4 1
??A?

output:

NBAC

result:

ok correct

Test #33:

score: 0
Accepted
time: 0ms
memory: 3756kb

input:

4 1
???A

output:

NACA

result:

ok correct

Test #34:

score: 0
Accepted
time: 0ms
memory: 3952kb

input:

4 1
C???

output:

CNAC

result:

ok correct

Test #35:

score: 0
Accepted
time: 0ms
memory: 3812kb

input:

4 1
?C??

output:

NCAC

result:

ok correct

Test #36:

score: 0
Accepted
time: 0ms
memory: 3872kb

input:

4 1
??C?

output:

NACB

result:

ok correct

Test #37:

score: 0
Accepted
time: 0ms
memory: 3956kb

input:

4 1
???C

output:

NABC

result:

ok correct

Test #38:

score: 0
Accepted
time: 0ms
memory: 3908kb

input:

5 4
?????

output:

NAACC

result:

ok correct

Test #39:

score: 0
Accepted
time: 0ms
memory: 3736kb

input:

6 14
??????

output:

-1

result:

ok correct

Test #40:

score: 0
Accepted
time: 1ms
memory: 3992kb

input:

7 14
???????

output:

-1

result:

ok correct

Test #41:

score: 0
Accepted
time: 0ms
memory: 4044kb

input:

8 43
????????

output:

-1

result:

ok correct

Test #42:

score: 0
Accepted
time: 0ms
memory: 4104kb

input:

9 55
?????????

output:

-1

result:

ok correct

Test #43:

score: 0
Accepted
time: 1ms
memory: 4148kb

input:

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

output:

-1

result:

ok correct

Test #44:

score: 0
Accepted
time: 1ms
memory: 4228kb

input:

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

output:

-1

result:

ok correct

Test #45:

score: 0
Accepted
time: 0ms
memory: 4284kb

input:

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

output:

NAACCBBBBBBB

result:

ok correct

Test #46:

score: 0
Accepted
time: 1ms
memory: 4412kb

input:

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

output:

-1

result:

ok correct

Test #47:

score: 0
Accepted
time: 0ms
memory: 4576kb

input:

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

output:

NNNANAAACACCCC

result:

ok correct

Test #48:

score: 0
Accepted
time: 1ms
memory: 4524kb

input:

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

output:

NAAACCCCCBBBBBB

result:

ok correct

Test #49:

score: 0
Accepted
time: 1ms
memory: 4704kb

input:

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

output:

-1

result:

ok correct

Test #50:

score: 0
Accepted
time: 1ms
memory: 4844kb

input:

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

output:

-1

result:

ok correct

Test #51:

score: 0
Accepted
time: 1ms
memory: 4932kb

input:

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

output:

-1

result:

ok correct

Test #52:

score: 0
Accepted
time: 1ms
memory: 5192kb

input:

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

output:

NAAAAACCCCCCCCBBBBB

result:

ok correct

Test #53:

score: 0
Accepted
time: 1ms
memory: 5228kb

input:

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

output:

-1

result:

ok correct

Test #54:

score: 0
Accepted
time: 1ms
memory: 5436kb

input:

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

output:

-1

result:

ok correct

Test #55:

score: 0
Accepted
time: 1ms
memory: 5632kb

input:

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

output:

-1

result:

ok correct

Test #56:

score: 0
Accepted
time: 2ms
memory: 5760kb

input:

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

output:

-1

result:

ok correct

Test #57:

score: 0
Accepted
time: 0ms
memory: 5884kb

input:

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

output:

-1

result:

ok correct

Test #58:

score: 0
Accepted
time: 2ms
memory: 6152kb

input:

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

output:

-1

result:

ok correct

Test #59:

score: 0
Accepted
time: 2ms
memory: 6460kb

input:

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

output:

NNNANAAAAAAAAAAAACCCCCCCCC

result:

ok correct

Test #60:

score: 0
Accepted
time: 2ms
memory: 6672kb

input:

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

output:

NNANAAAACAAAAAACCCCCCCCCCCC

result:

ok correct

Test #61:

score: 0
Accepted
time: 2ms
memory: 7012kb

input:

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

output:

NNAAAAAAACAAACCCCCCCCCCCCCBB

result:

ok correct

Test #62:

score: 0
Accepted
time: 0ms
memory: 7072kb

input:

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

output:

-1

result:

ok correct

Test #63:

score: 0
Accepted
time: 0ms
memory: 7408kb

input:

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

output:

-1

result:

ok correct

Test #64:

score: 0
Accepted
time: 0ms
memory: 7624kb

input:

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

output:

-1

result:

ok correct

Test #65:

score: 0
Accepted
time: 3ms
memory: 8004kb

input:

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

output:

-1

result:

ok correct

Test #66:

score: 0
Accepted
time: 3ms
memory: 8380kb

input:

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

output:

NNNNAANAAAAAAAAAACCCCCCCCCCCCCCCC

result:

ok correct

Test #67:

score: 0
Accepted
time: 0ms
memory: 8680kb

input:

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

output:

NNAAAAAAAAACACCCCCCCCCCCCCCBBBBBBB

result:

ok correct

Test #68:

score: 0
Accepted
time: 4ms
memory: 8956kb

input:

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

output:

-1

result:

ok correct

Test #69:

score: 0
Accepted
time: 0ms
memory: 9468kb

input:

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

output:

NANAAAAAAAAAAAACAACCCCCCCCCCCCCCCCBB

result:

ok correct

Test #70:

score: 0
Accepted
time: 0ms
memory: 9828kb

input:

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

output:

NAAAAAAAAAAAAAACCCCCCCCCCCCCCCCCCCCCB

result:

ok correct

Test #71:

score: 0
Accepted
time: 0ms
memory: 10240kb

input:

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

output:

NNNNNNAANAAAAAAAAAACCCCCCCCCCCCCCCCCCC

result:

ok correct

Test #72:

score: 0
Accepted
time: 2ms
memory: 10628kb

input:

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

output:

NNNNANAAAAAAAAAAACAAAAACCCCCCCCCCCCCCCB

result:

ok correct

Test #73:

score: 0
Accepted
time: 5ms
memory: 11152kb

input:

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

output:

NNNAAAAAAAAAAACAAAAACCCCCCCCCCCCCCCCCCCC

result:

ok correct

Test #74:

score: 0
Accepted
time: 0ms
memory: 10800kb

input:

40 498
ACNANACNNACNACNNNCNCNNNANNNACNCCACAA?ANA

output:

-1

result:

ok correct

Test #75:

score: 0
Accepted
time: 0ms
memory: 12772kb

input:

40 855
NAAANAACNNNCNAANCNANCNANACANCCAANCACNCAC

output:

-1

result:

ok correct

Test #76:

score: 0
Accepted
time: 0ms
memory: 10836kb

input:

40 1007
?CNACNNAANACANACNACCC?CAANNCCCCANNANCACN

output:

-1

result:

ok correct

Test #77:

score: 0
Accepted
time: 4ms
memory: 10728kb

input:

40 1778
NACANANN?CCANNCCAACNNCCNCCCNCCNACCNC?NNN

output:

-1

result:

ok correct

Test #78:

score: 0
Accepted
time: 0ms
memory: 10880kb

input:

40 2186
ACCCACAN?NNA?AACCNNNN?ANACCANCNCNNCA?NCN

output:

-1

result:

ok correct

Test #79:

score: 0
Accepted
time: 0ms
memory: 10980kb

input:

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

output:

-1

result:

ok correct

Test #80:

score: 0
Accepted
time: 0ms
memory: 10920kb

input:

40 712
ANCNANAAC?CACAACA?CNACCCANAACCA?CNNAANCN

output:

-1

result:

ok correct

Test #81:

score: 0
Accepted
time: 0ms
memory: 10788kb

input:

40 1127
C?CAAAANNCANANAC?NCANACANAACAACANNCCNCAC

output:

-1

result:

ok correct

Test #82:

score: 0
Accepted
time: 0ms
memory: 10812kb

input:

40 1835
CANNCAANNNAANANNCACANAC?CCCCAACA?NNNCAC?

output:

-1

result:

ok correct

Test #83:

score: 0
Accepted
time: 0ms
memory: 10984kb

input:

40 2009
CANAAAN?ANAACNCCNCCNCAAANCANCCAN?CCNCAAN

output:

-1

result:

ok correct

Test #84:

score: 0
Accepted
time: 4ms
memory: 10924kb

input:

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

output:

-1

result:

ok correct

Test #85:

score: 0
Accepted
time: 0ms
memory: 10968kb

input:

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

output:

-1

result:

ok correct

Test #86:

score: 0
Accepted
time: 2ms
memory: 10992kb

input:

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

output:

-1

result:

ok correct

Test #87:

score: 0
Accepted
time: 5ms
memory: 10984kb

input:

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

output:

-1

result:

ok correct

Test #88:

score: 0
Accepted
time: 0ms
memory: 10892kb

input:

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

output:

-1

result:

ok correct

Test #89:

score: 0
Accepted
time: 0ms
memory: 11000kb

input:

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

output:

BNCACAACANAANCACCCAAAACBCNNNBACNNBANBANC

result:

ok correct

Test #90:

score: 0
Accepted
time: 0ms
memory: 11028kb

input:

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

output:

NNANANBNAAAANNAANCANCANANACCCACCNNCNACCC

result:

ok correct

Test #91:

score: 0
Accepted
time: 0ms
memory: 10788kb

input:

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

output:

-1

result:

ok correct

Test #92:

score: 0
Accepted
time: 5ms
memory: 10860kb

input:

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

output:

-1

result:

ok correct

Test #93:

score: 0
Accepted
time: 0ms
memory: 10804kb

input:

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

output:

-1

result:

ok correct

Test #94:

score: 0
Accepted
time: 0ms
memory: 10988kb

input:

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

output:

ACBCACCCNAACCANCCNANNACCNACNCNBCBNBCBABC

result:

ok correct

Test #95:

score: 0
Accepted
time: 2ms
memory: 11012kb

input:

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

output:

CCCNNNANNANANANANAAACCNNAACANACCNACCNCCC

result:

ok correct

Test #96:

score: 0
Accepted
time: 2ms
memory: 10896kb

input:

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

output:

-1

result:

ok correct

Test #97:

score: 0
Accepted
time: 0ms
memory: 10828kb

input:

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

output:

-1

result:

ok correct

Test #98:

score: 0
Accepted
time: 5ms
memory: 10936kb

input:

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

output:

-1

result:

ok correct

Test #99:

score: 0
Accepted
time: 0ms
memory: 10932kb

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: 0ms
memory: 10952kb

input:

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

output:

CNAANNAACANANACAANACACNCANCCCCANCCCCNACB

result:

ok correct

Test #101:

score: 0
Accepted
time: 0ms
memory: 10804kb

input:

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

output:

-1

result:

ok correct

Test #102:

score: 0
Accepted
time: 0ms
memory: 10832kb

input:

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

output:

-1

result:

ok correct

Test #103:

score: 0
Accepted
time: 5ms
memory: 10968kb

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: 5ms
memory: 11060kb

input:

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

output:

NCAAAAAAAAAAAACCCCCNAACCCCCABANACNNCCAAC

result:

ok correct

Test #105:

score: 0
Accepted
time: 0ms
memory: 11072kb

input:

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

output:

NNANAAACCACAAACCNAAAACCCCCCCACCCCCACCCBB

result:

ok correct

Test #106:

score: 0
Accepted
time: 5ms
memory: 11108kb

input:

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

output:

NNAACNANNAAAAAAACCAACAACCCCCCCCCCNCACCCC

result:

ok correct

Test #107:

score: 0
Accepted
time: 5ms
memory: 10988kb

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: 0ms
memory: 10952kb

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: 0ms
memory: 11044kb

input:

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

output:

NANACNNNCNCAACACACACACCCBBBBNBBBANBBNCBB

result:

ok correct

Test #110:

score: 0
Accepted
time: 0ms
memory: 11032kb

input:

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

output:

NNAANAAAANAAANAAAAAAACCCCCCACCCCANCACCCA

result:

ok correct

Test #111:

score: 0
Accepted
time: 0ms
memory: 11028kb

input:

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

output:

NNNCNNNNNCNAAANNAANAANACAACCCACNCCCNACCC

result:

ok correct

Test #112:

score: 0
Accepted
time: 5ms
memory: 10972kb

input:

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

output:

-1

result:

ok correct

Test #113:

score: 0
Accepted
time: 5ms
memory: 10956kb

input:

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

output:

-1

result:

ok correct

Test #114:

score: 0
Accepted
time: 0ms
memory: 10988kb

input:

40 116
?CN????????A??A???C????????????????C????

output:

BCNAAAAAAACAACACCCCCCCCCBBBBBBBBBBBCBBBB

result:

ok correct

Test #115:

score: 0
Accepted
time: 5ms
memory: 10932kb

input:

40 538
NC???N?????????????NN??N????????CC???N??

output:

NCAAANAAAAAAAACAAACNNAANACCCCCCCCCCCCNCB

result:

ok correct

Test #116:

score: 0
Accepted
time: 0ms
memory: 11052kb

input:

40 1128
?????AN?????CN????N?A????C???C??????????

output:

NNANAANAAAAACNCAAANAAAACCCCCCCCCCCCCCCCB

result:

ok correct

Test #117:

score: 0
Accepted
time: 0ms
memory: 11060kb

input:

40 1819
?????????C?AC?????C??A??NC?????????????C

output:

-1

result:

ok correct

Test #118:

score: 0
Accepted
time: 0ms
memory: 10968kb

input:

40 2198
??????A???N????????ANN???N?C??????C?????

output:

-1

result:

ok correct

Test #119:

score: 0
Accepted
time: 5ms
memory: 11024kb

input:

40 373
???????????C?A?????????A???A?C??????????

output:

NANAAAAACAACAAAAACCCCCCACCCACCCCBBBBBBBB

result:

ok correct

Test #120:

score: 0
Accepted
time: 0ms
memory: 11116kb

input:

40 744
?????????????????C????????????A????C???N

output:

NNNAAAAAAAAACAAAACCCCCCCCCCCCCACCCCCBBBN

result:

ok correct

Test #121:

score: 0
Accepted
time: 5ms
memory: 11144kb

input:

40 1103
???????????????????????????N????????????

output:

NNNANAAAAAAACAAAAAAAAACCCCCNCCCCCCCCCCCB

result:

ok correct

Test #122:

score: 0
Accepted
time: 0ms
memory: 10996kb

input:

40 1866
???????A??????A??A???????????????C??????

output:

NNNNNNNAANAAAAAAAAAAACAAACCCCCCCCCCCCCCB

result:

ok correct

Test #123:

score: 0
Accepted
time: 5ms
memory: 10940kb

input:

40 2466
????????????CN?????????????????N??CA????

output:

-1

result:

ok correct

Test #124:

score: 0
Accepted
time: 5ms
memory: 11052kb

input:

40 1
?????????????????????????????????????NAC

output:

BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBNAC

result:

ok correct