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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#490308#8776. Not Another Constructive!maojunAC ✓5ms11024kbC++23917b2024-07-25 14:26:422024-07-25 14:26:42

Judging History

你现在查看的是最新测评结果

  • [2024-07-25 14:26:42]
  • 评测
  • 测评结果:AC
  • 用时:5ms
  • 内存:11024kb
  • [2024-07-25 14:26:42]
  • 提交

answer

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

const int N=45,K=2505;
int n,m;char a[N],b[N];
bitset<K>dp[N][N][N];

int main(){
	scanf("%d%d%s",&n,&m,a+1);
	for(int c=0;c<=n;c++)dp[0][0][c].set(0);
	for(int i=1;i<=n;i++)for(int j=0;j<=i;j++)for(int k=0;k<=n-i;k++){
		if(a[i]=='N'||a[i]=='?')if(j)dp[i][j][k]|=dp[i-1][j-1][k];
		if(a[i]=='C'||a[i]=='?')dp[i][j][k]|=dp[i-1][j][k+1];
		if(a[i]=='A'||a[i]=='?')dp[i][j][k]|=dp[i-1][j][k]<<j*k;
		if(a[i]^'N'&&a[i]^'C'&&a[i]^'A')dp[i][j][k]|=dp[i-1][j][k];
	}
	int p=0;while(p<=n&&!dp[n][p][0][m])p++;if(p>n){puts("-1");return 0;}
	for(int i=n,j=p,k=0,l=m;i;i--)
		if(a[i]=='N'||(a[i]=='?'&&j&&dp[i-1][j-1][k][l])){j--;b[i]='N';}
		else if(a[i]=='C'||(a[i]=='?'&&dp[i-1][j][k+1][l])){k++;b[i]='C';}
		else if(a[i]=='A'||(a[i]=='?'&&l>=j*k&&dp[i-1][j][k][l-j*k])){l-=j*k;b[i]='A';}
		else b[i]=a[i]=='?'?'B':a[i];
	printf("%s\n",b+1);
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

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

input:

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

output:

NCCABBBBBBCBBBBBBBBBBC

result:

ok correct

Test #2:

score: 0
Accepted
time: 1ms
memory: 4936kb

input:

18 0
COUNTINGSATELLITES

output:

COUNTINGSATELLITES

result:

ok correct

Test #3:

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

input:

2 1
??

output:

-1

result:

ok correct

Test #4:

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

input:

1 0
?

output:

C

result:

ok correct

Test #5:

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

input:

1 0
N

output:

N

result:

ok correct

Test #6:

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

input:

1 0
X

output:

X

result:

ok correct

Test #7:

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

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: 0ms
memory: 3680kb

input:

1 1
X

output:

-1

result:

ok correct

Test #10:

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

input:

2 0
??

output:

CC

result:

ok correct

Test #11:

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

input:

2 0
N?

output:

NC

result:

ok correct

Test #12:

score: 0
Accepted
time: 0ms
memory: 3912kb

input:

2 0
?C

output:

CC

result:

ok correct

Test #13:

score: 0
Accepted
time: 0ms
memory: 3824kb

input:

2 1
N?

output:

-1

result:

ok correct

Test #14:

score: 0
Accepted
time: 0ms
memory: 3760kb

input:

2 1
?C

output:

-1

result:

ok correct

Test #15:

score: 0
Accepted
time: 0ms
memory: 3792kb

input:

3 1
???

output:

NAC

result:

ok correct

Test #16:

score: 0
Accepted
time: 0ms
memory: 3832kb

input:

3 1
N??

output:

NAC

result:

ok correct

Test #17:

score: 0
Accepted
time: 0ms
memory: 3796kb

input:

3 1
?A?

output:

NAC

result:

ok correct

Test #18:

score: 0
Accepted
time: 0ms
memory: 3852kb

input:

3 1
??C

output:

NAC

result:

ok correct

Test #19:

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

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: 3864kb

input:

3 1
?AC

output:

NAC

result:

ok correct

Test #22:

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

input:

4 1
????

output:

CNAC

result:

ok correct

Test #23:

score: 0
Accepted
time: 0ms
memory: 3856kb

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: 3732kb

input:

4 1
?AA?

output:

-1

result:

ok correct

Test #26:

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

input:

4 1
N???

output:

NCAC

result:

ok correct

Test #27:

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

input:

4 1
?N??

output:

CNAC

result:

ok correct

Test #28:

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

input:

4 1
??N?

output:

NANC

result:

ok correct

Test #29:

score: 0
Accepted
time: 0ms
memory: 3856kb

input:

4 1
???N

output:

NACN

result:

ok correct

Test #30:

score: 0
Accepted
time: 0ms
memory: 3948kb

input:

4 1
A???

output:

ANAC

result:

ok correct

Test #31:

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

input:

4 1
?A??

output:

NABC

result:

ok correct

Test #32:

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

input:

4 1
??A?

output:

CNAC

result:

ok correct

Test #33:

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

input:

4 1
???A

output:

NACA

result:

ok correct

Test #34:

score: 0
Accepted
time: 0ms
memory: 3948kb

input:

4 1
C???

output:

CNAC

result:

ok correct

Test #35:

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

input:

4 1
?C??

output:

NCAC

result:

ok correct

Test #36:

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

input:

4 1
??C?

output:

NACA

result:

ok correct

Test #37:

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

input:

4 1
???C

output:

CNAC

result:

ok correct

Test #38:

score: 0
Accepted
time: 0ms
memory: 3896kb

input:

5 4
?????

output:

NAACC

result:

ok correct

Test #39:

score: 0
Accepted
time: 0ms
memory: 3948kb

input:

6 14
??????

output:

-1

result:

ok correct

Test #40:

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

input:

7 14
???????

output:

-1

result:

ok correct

Test #41:

score: 0
Accepted
time: 0ms
memory: 4040kb

input:

8 43
????????

output:

-1

result:

ok correct

Test #42:

score: 0
Accepted
time: 0ms
memory: 3968kb

input:

9 55
?????????

output:

-1

result:

ok correct

Test #43:

score: 0
Accepted
time: 1ms
memory: 3952kb

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: 1ms
memory: 4324kb

input:

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

output:

CCCCCCNACCCC

result:

ok correct

Test #46:

score: 0
Accepted
time: 0ms
memory: 4268kb

input:

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

output:

-1

result:

ok correct

Test #47:

score: 0
Accepted
time: 1ms
memory: 4480kb

input:

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

output:

NNNANAAACACCCC

result:

ok correct

Test #48:

score: 0
Accepted
time: 1ms
memory: 4528kb

input:

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

output:

CCCCNACACCCCCCC

result:

ok correct

Test #49:

score: 0
Accepted
time: 0ms
memory: 4584kb

input:

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

output:

-1

result:

ok correct

Test #50:

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

input:

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

output:

-1

result:

ok correct

Test #51:

score: 0
Accepted
time: 1ms
memory: 4820kb

input:

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

output:

-1

result:

ok correct

Test #52:

score: 0
Accepted
time: 1ms
memory: 5100kb

input:

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

output:

CNACAACCCCCCCCCCCCC

result:

ok correct

Test #53:

score: 0
Accepted
time: 0ms
memory: 5204kb

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: 0ms
memory: 5612kb

input:

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

output:

-1

result:

ok correct

Test #56:

score: 0
Accepted
time: 1ms
memory: 5812kb

input:

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

output:

-1

result:

ok correct

Test #57:

score: 0
Accepted
time: 2ms
memory: 5940kb

input:

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

output:

-1

result:

ok correct

Test #58:

score: 0
Accepted
time: 2ms
memory: 6228kb

input:

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

output:

-1

result:

ok correct

Test #59:

score: 0
Accepted
time: 2ms
memory: 6432kb

input:

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

output:

NNNANAAAAAAAAAAAACCCCCCCCC

result:

ok correct

Test #60:

score: 0
Accepted
time: 0ms
memory: 6740kb

input:

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

output:

NNANAAAACAAAAAACCCCCCCCCCCC

result:

ok correct

Test #61:

score: 0
Accepted
time: 2ms
memory: 6964kb

input:

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

output:

NNACAAAAAAACCCCCCCCCCCCCCCCC

result:

ok correct

Test #62:

score: 0
Accepted
time: 0ms
memory: 7004kb

input:

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

output:

-1

result:

ok correct

Test #63:

score: 0
Accepted
time: 0ms
memory: 7392kb

input:

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

output:

-1

result:

ok correct

Test #64:

score: 0
Accepted
time: 0ms
memory: 7676kb

input:

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

output:

-1

result:

ok correct

Test #65:

score: 0
Accepted
time: 0ms
memory: 8060kb

input:

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

output:

-1

result:

ok correct

Test #66:

score: 0
Accepted
time: 3ms
memory: 8372kb

input:

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

output:

NNNNAANAAAAAAAAAACCCCCCCCCCCCCCCC

result:

ok correct

Test #67:

score: 0
Accepted
time: 0ms
memory: 8732kb

input:

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

output:

NAANAAAACACCCCCCCCCCCCCCCCCCCCCCCC

result:

ok correct

Test #68:

score: 0
Accepted
time: 0ms
memory: 8916kb

input:

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

output:

-1

result:

ok correct

Test #69:

score: 0
Accepted
time: 0ms
memory: 9500kb

input:

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

output:

NACNAAAAAACAAAAAACCCCCCCCCCCCCCCCCCC

result:

ok correct

Test #70:

score: 0
Accepted
time: 0ms
memory: 9796kb

input:

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

output:

NAAAAAAAACAAAAACCCCCCCCCCCCCCCCCCCCCC

result:

ok correct

Test #71:

score: 0
Accepted
time: 0ms
memory: 10168kb

input:

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

output:

NNNNNNAANAAAAAAAAAACCCCCCCCCCCCCCCCCCC

result:

ok correct

Test #72:

score: 0
Accepted
time: 5ms
memory: 10588kb

input:

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

output:

NNNNANAAAAAAACAAAAACCCCCCCCCCCCCCCCCCCC

result:

ok correct

Test #73:

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

input:

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

output:

NNNAAAAAAAAAAACAAAAACCCCCCCCCCCCCCCCCCCC

result:

ok correct

Test #74:

score: 0
Accepted
time: 0ms
memory: 10680kb

input:

40 498
ACNANACNNACNACNNNCNCNNNANNNACNCCACAA?ANA

output:

-1

result:

ok correct

Test #75:

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

input:

40 855
NAAANAACNNNCNAANCNANCNANACANCCAANCACNCAC

output:

-1

result:

ok correct

Test #76:

score: 0
Accepted
time: 0ms
memory: 10888kb

input:

40 1007
?CNACNNAANACANACNACCC?CAANNCCCCANNANCACN

output:

-1

result:

ok correct

Test #77:

score: 0
Accepted
time: 0ms
memory: 10688kb

input:

40 1778
NACANANN?CCANNCCAACNNCCNCCCNCCNACCNC?NNN

output:

-1

result:

ok correct

Test #78:

score: 0
Accepted
time: 4ms
memory: 10884kb

input:

40 2186
ACCCACAN?NNA?AACCNNNN?ANACCANCNCNNCA?NCN

output:

-1

result:

ok correct

Test #79:

score: 0
Accepted
time: 0ms
memory: 10780kb

input:

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

output:

-1

result:

ok correct

Test #80:

score: 0
Accepted
time: 0ms
memory: 10948kb

input:

40 712
ANCNANAAC?CACAACA?CNACCCANAACCA?CNNAANCN

output:

-1

result:

ok correct

Test #81:

score: 0
Accepted
time: 4ms
memory: 10820kb

input:

40 1127
C?CAAAANNCANANAC?NCANACANAACAACANNCCNCAC

output:

-1

result:

ok correct

Test #82:

score: 0
Accepted
time: 0ms
memory: 10696kb

input:

40 1835
CANNCAANNNAANANNCACANAC?CCCCAACA?NNNCAC?

output:

-1

result:

ok correct

Test #83:

score: 0
Accepted
time: 4ms
memory: 10920kb

input:

40 2009
CANAAAN?ANAACNCCNCCNCAAANCANCCAN?CCNCAAN

output:

-1

result:

ok correct

Test #84:

score: 0
Accepted
time: 0ms
memory: 10764kb

input:

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

output:

-1

result:

ok correct

Test #85:

score: 0
Accepted
time: 4ms
memory: 10756kb

input:

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

output:

-1

result:

ok correct

Test #86:

score: 0
Accepted
time: 0ms
memory: 10772kb

input:

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

output:

-1

result:

ok correct

Test #87:

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

input:

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

output:

-1

result:

ok correct

Test #88:

score: 0
Accepted
time: 0ms
memory: 10808kb

input:

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

output:

-1

result:

ok correct

Test #89:

score: 0
Accepted
time: 0ms
memory: 10900kb

input:

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

output:

CNCCAAACANBBNCABCCAABABBCNNNCACNNCANCANC

result:

ok correct

Test #90:

score: 0
Accepted
time: 4ms
memory: 10812kb

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: 10652kb

input:

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

output:

-1

result:

ok correct

Test #92:

score: 0
Accepted
time: 4ms
memory: 10700kb

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: 10848kb

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: 10924kb

input:

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

output:

ACCCACCCNACACANCCNBNNCACNCCNCNCCCNCCCACC

result:

ok correct

Test #95:

score: 0
Accepted
time: 2ms
memory: 10868kb

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: 10768kb

input:

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

output:

-1

result:

ok correct

Test #97:

score: 0
Accepted
time: 4ms
memory: 10896kb

input:

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

output:

-1

result:

ok correct

Test #98:

score: 0
Accepted
time: 0ms
memory: 10732kb

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: 10756kb

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: 10936kb

input:

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

output:

CCCNNNAACANANAACCNACACNCANCCCCANCCCCNACC

result:

ok correct

Test #101:

score: 0
Accepted
time: 4ms
memory: 10916kb

input:

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

output:

-1

result:

ok correct

Test #102:

score: 0
Accepted
time: 2ms
memory: 10968kb

input:

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

output:

-1

result:

ok correct

Test #103:

score: 0
Accepted
time: 0ms
memory: 10856kb

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: 10976kb

input:

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

output:

NCAAAAAAAAAACAACCCCNCCCCCCCACANACNNCCAAC

result:

ok correct

Test #105:

score: 0
Accepted
time: 0ms
memory: 10948kb

input:

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

output:

NNANAACCCACAAACCNAAACCCCCCCCACCCCCACCCCC

result:

ok correct

Test #106:

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

input:

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

output:

NNAACNANNAAAAAAACCAACAACCCCCCCCCCNCACCCC

result:

ok correct

Test #107:

score: 0
Accepted
time: 0ms
memory: 10912kb

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: 10772kb

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: 2ms
memory: 10896kb

input:

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

output:

NANBBNNNCNCBBCACCCCCACCCCCCCNCCCANCCNCCC

result:

ok correct

Test #110:

score: 0
Accepted
time: 2ms
memory: 10976kb

input:

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

output:

NNAANAAAANAAANAAAAAAACCCCCCACCCCANCACCCA

result:

ok correct

Test #111:

score: 0
Accepted
time: 0ms
memory: 10960kb

input:

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

output:

NNNCNNNNNCNAAANNAANAANACAACCCACNCCCNACCC

result:

ok correct

Test #112:

score: 0
Accepted
time: 4ms
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: 0ms
memory: 10776kb

input:

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

output:

-1

result:

ok correct

Test #114:

score: 0
Accepted
time: 5ms
memory: 10980kb

input:

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

output:

CCNCAACCCCCACCACCCCCCCCCCCCCCCCCCCCCCCCC

result:

ok correct

Test #115:

score: 0
Accepted
time: 0ms
memory: 10944kb

input:

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

output:

NCAACNAAAAAAAAAAAACNNAANCCCCCCCCCCCCCNCC

result:

ok correct

Test #116:

score: 0
Accepted
time: 0ms
memory: 10900kb

input:

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

output:

NANANANAAAAACNAAAANAACCCCCCCCCCCCCCCCCCC

result:

ok correct

Test #117:

score: 0
Accepted
time: 5ms
memory: 11012kb

input:

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

output:

-1

result:

ok correct

Test #118:

score: 0
Accepted
time: 0ms
memory: 10976kb

input:

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

output:

-1

result:

ok correct

Test #119:

score: 0
Accepted
time: 0ms
memory: 11004kb

input:

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

output:

NACAAANAAACCCACCCCCCCCCACCCACCCCCCCCCCCC

result:

ok correct

Test #120:

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

input:

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

output:

NNAAANAAAAAAAACCCCCCCCCCCCCCCCACCCCCCCCN

result:

ok correct

Test #121:

score: 0
Accepted
time: 2ms
memory: 10940kb

input:

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

output:

NNNACNAAAAAAAAAAAAACCCCCCCCNCCCCCCCCCCCC

result:

ok correct

Test #122:

score: 0
Accepted
time: 2ms
memory: 11024kb

input:

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

output:

NNNNNNNAANAACAAAAAAAAACCCCCCCCCCCCCCCCCC

result:

ok correct

Test #123:

score: 0
Accepted
time: 5ms
memory: 10992kb

input:

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

output:

-1

result:

ok correct

Test #124:

score: 0
Accepted
time: 2ms
memory: 10948kb

input:

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

output:

CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCNAC

result:

ok correct