QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #606024 | #8776. Not Another Constructive! | rikka_lyly# | TL | 725ms | 246028kb | C++20 | 2.6kb | 2024-10-02 21:39:24 | 2024-10-02 21:39:24 |
Judging History
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();
}
}
Details
Tip: Click on the bar to expand more detailed information
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