QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #545847 | #8776. Not Another Constructive! | Djangle162857# | TL | 760ms | 425444kb | C++23 | 4.9kb | 2024-09-03 17:41:00 | 2024-09-03 17:41:00 |
Judging History
answer
#include <bits/stdc++.h>
#define fir first
#define sec second
#define FINISH cout << "FINISH" << endl;
#define debug(x) cerr << #x << " : = " << endl;
typedef long long ll;
const int inf = 0x7fffffff;
using namespace std;
bool dp[42][2500][410][42];
struct las
{
short i, j, k;
};
void solve()
{
short n, kk;
cin >> n >> kk;
string ss, s;
cin >> ss;
ss = " " + ss;
s = ss;
for (int i = 1; i <= n; i++)
{
if (s[i] != '?' && s[i] != 'N' && s[i] != 'A' && s[i] != 'C')
s[i] = 'B';
}
dp[0][0][0][0] = 1;
for (short i = 0; i < n; i++)
{
// 位
for (short r = 0; r <= i; r++)
{
// N
for (short k = 0; k <= (i / 2 + 1) * (i / 2); k++)
{
// NA
for (short j = 0; j <= (i / 3 + 1) * (i / 3 + 1) * (i / 3); j++)
{
// NAC
if (!dp[i][j][k][r])
continue;
// cout << "! " << i << " " << j << " " << k << " " << r << endl;
// 加一个N
switch(s[i+1]) {
case '?':
dp[i + 1][j][k][r + 1] =
dp[i + 1][j][k + r][r] =
dp[i + 1][j][k][r] =
dp[i + 1][j + k][k][r] = 1;
break;
case 'A':
dp[i + 1][j][k + r][r] = 1;
break;
case 'B':
dp[i + 1][j][k][r] = 1;
break;
case 'C':
dp[i + 1][j + k][k][r] = 1;
break;
case 'N':
dp[i + 1][j][k][r + 1] = 1;
break;
}
// if (s[i + 1] == '?' || s[i + 1] == 'N') {
// // cout << "!N" << endl;
// dp[i + 1][j][k][r + 1] |= dp[i][j][k][r];
// }
// // 加一个A
// if (s[i + 1] == '?' || s[i + 1] == 'A') {
// // cout << "!A" << endl;
// dp[i + 1][j][k + r][r] |= dp[i][j][k][r];
// }
// // 加一个B
// if (s[i + 1] == '?' || s[i + 1] == 'B') {
// // cout << "!B" << endl;
// dp[i + 1][j][k][r] |= dp[i][j][k][r];
// }
// // 加一个C
// if (s[i + 1] == '?' || s[i + 1] == 'C') {
// // cout << "!C" << endl;
// dp[i + 1][j + k][k][r] |= dp[i][j][k][r];
// }
}
}
}
}
string ans = " ";
short nowi = -1, nowj = -1, nowk = -1;
for (short j = 0; j <= 400; j++)
{
for (short k = 0; k <= 40; k++)
{
if (dp[n][kk][j][k])
{
nowi = kk, nowj = j, nowk = k;
break;
}
}
if (nowi != -1)
break;
}
if (nowi == -1)
{
cout << "-1" << endl;
return;
}
// cout << s << endl;
for (short i = n; i >= 1; i--)
{
if (s[i] == '?')
{
if (dp[i - 1][nowi][nowj][nowk])
{
ans.push_back('B');
}
else if (dp[i - 1][nowi][nowj][nowk - 1])
{
ans.push_back('N');
nowk--;
}
else if (dp[i - 1][nowi][nowj - nowk][nowk])
{
ans.push_back('A');
nowj -= nowk;
}
else if (dp[i - 1][nowi - nowj][nowj][nowk])
{
ans.push_back('C');
nowi -= nowj;
}
}
if (s[i] == 'A')
{
ans.push_back('A');
nowj -= nowk;
}
if (s[i] == 'B')
{
ans.push_back('B');
}
if (s[i] == 'C')
{
ans.push_back('C');
nowi -= nowj;
}
if (s[i] == 'N')
{
ans.push_back('N');
nowk--;
}
}
string res;
for (short i = n; i >= 1; i--) {
res.push_back(ans[i]);
}
for (short i = 1; i <= n; i++) {
if (ss[i] != '?')
res[i - 1] = ss[i];
}
cout << res << endl;
}
int main()
{
ios::sync_with_stdio(false);
cin.tie(nullptr);
cout.tie(nullptr);
int T = 1;
// cin >> T;
while (T--)
{
solve();
}
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 7ms
memory: 85524kb
input:
22 2 N??A??????C???????????
output:
NBBACBBBBBCBBBBBBBBBBB
result:
ok correct
Test #2:
score: 0
Accepted
time: 0ms
memory: 40692kb
input:
18 0 COUNTINGSATELLITES
output:
COUNTINGSATELLITES
result:
ok correct
Test #3:
score: 0
Accepted
time: 1ms
memory: 7668kb
input:
2 1 ??
output:
-1
result:
ok correct
Test #4:
score: 0
Accepted
time: 1ms
memory: 5920kb
input:
1 0 ?
output:
B
result:
ok correct
Test #5:
score: 0
Accepted
time: 1ms
memory: 5648kb
input:
1 0 N
output:
N
result:
ok correct
Test #6:
score: 0
Accepted
time: 1ms
memory: 5676kb
input:
1 0 X
output:
X
result:
ok correct
Test #7:
score: 0
Accepted
time: 1ms
memory: 5788kb
input:
1 1 ?
output:
-1
result:
ok correct
Test #8:
score: 0
Accepted
time: 1ms
memory: 5684kb
input:
1 1 N
output:
-1
result:
ok correct
Test #9:
score: 0
Accepted
time: 1ms
memory: 5876kb
input:
1 1 X
output:
-1
result:
ok correct
Test #10:
score: 0
Accepted
time: 1ms
memory: 7960kb
input:
2 0 ??
output:
BB
result:
ok correct
Test #11:
score: 0
Accepted
time: 1ms
memory: 7724kb
input:
2 0 N?
output:
NB
result:
ok correct
Test #12:
score: 0
Accepted
time: 0ms
memory: 7760kb
input:
2 0 ?C
output:
BC
result:
ok correct
Test #13:
score: 0
Accepted
time: 0ms
memory: 7660kb
input:
2 1 N?
output:
-1
result:
ok correct
Test #14:
score: 0
Accepted
time: 1ms
memory: 7720kb
input:
2 1 ?C
output:
-1
result:
ok correct
Test #15:
score: 0
Accepted
time: 2ms
memory: 9660kb
input:
3 1 ???
output:
NAC
result:
ok correct
Test #16:
score: 0
Accepted
time: 0ms
memory: 9768kb
input:
3 1 N??
output:
NAC
result:
ok correct
Test #17:
score: 0
Accepted
time: 0ms
memory: 9780kb
input:
3 1 ?A?
output:
NAC
result:
ok correct
Test #18:
score: 0
Accepted
time: 0ms
memory: 10004kb
input:
3 1 ??C
output:
NAC
result:
ok correct
Test #19:
score: 0
Accepted
time: 1ms
memory: 9712kb
input:
3 1 NA?
output:
NAC
result:
ok correct
Test #20:
score: 0
Accepted
time: 1ms
memory: 9704kb
input:
3 1 N?C
output:
NAC
result:
ok correct
Test #21:
score: 0
Accepted
time: 1ms
memory: 9704kb
input:
3 1 ?AC
output:
NAC
result:
ok correct
Test #22:
score: 0
Accepted
time: 0ms
memory: 11704kb
input:
4 1 ????
output:
NACB
result:
ok correct
Test #23:
score: 0
Accepted
time: 2ms
memory: 11820kb
input:
4 1 X???
output:
XNAC
result:
ok correct
Test #24:
score: 0
Accepted
time: 2ms
memory: 11856kb
input:
4 1 ???Z
output:
NACZ
result:
ok correct
Test #25:
score: 0
Accepted
time: 0ms
memory: 11760kb
input:
4 1 ?AA?
output:
-1
result:
ok correct
Test #26:
score: 0
Accepted
time: 2ms
memory: 12024kb
input:
4 1 N???
output:
NACB
result:
ok correct
Test #27:
score: 0
Accepted
time: 2ms
memory: 12052kb
input:
4 1 ?N??
output:
BNAC
result:
ok correct
Test #28:
score: 0
Accepted
time: 0ms
memory: 11708kb
input:
4 1 ??N?
output:
NANC
result:
ok correct
Test #29:
score: 0
Accepted
time: 2ms
memory: 12056kb
input:
4 1 ???N
output:
NACN
result:
ok correct
Test #30:
score: 0
Accepted
time: 2ms
memory: 11984kb
input:
4 1 A???
output:
ANAC
result:
ok correct
Test #31:
score: 0
Accepted
time: 1ms
memory: 11760kb
input:
4 1 ?A??
output:
NACB
result:
ok correct
Test #32:
score: 0
Accepted
time: 2ms
memory: 12056kb
input:
4 1 ??A?
output:
NBAC
result:
ok correct
Test #33:
score: 0
Accepted
time: 0ms
memory: 11820kb
input:
4 1 ???A
output:
NACA
result:
ok correct
Test #34:
score: 0
Accepted
time: 0ms
memory: 11816kb
input:
4 1 C???
output:
CNAC
result:
ok correct
Test #35:
score: 0
Accepted
time: 2ms
memory: 11768kb
input:
4 1 ?C??
output:
NCAC
result:
ok correct
Test #36:
score: 0
Accepted
time: 1ms
memory: 12048kb
input:
4 1 ??C?
output:
NACB
result:
ok correct
Test #37:
score: 0
Accepted
time: 1ms
memory: 11752kb
input:
4 1 ???C
output:
NABC
result:
ok correct
Test #38:
score: 0
Accepted
time: 0ms
memory: 14096kb
input:
5 4 ?????
output:
NAACC
result:
ok correct
Test #39:
score: 0
Accepted
time: 0ms
memory: 15812kb
input:
6 14 ??????
output:
-1
result:
ok correct
Test #40:
score: 0
Accepted
time: 2ms
memory: 17964kb
input:
7 14 ???????
output:
-1
result:
ok correct
Test #41:
score: 0
Accepted
time: 0ms
memory: 20004kb
input:
8 43 ????????
output:
-1
result:
ok correct
Test #42:
score: 0
Accepted
time: 0ms
memory: 24048kb
input:
9 55 ?????????
output:
-1
result:
ok correct
Test #43:
score: 0
Accepted
time: 0ms
memory: 28212kb
input:
10 112 ??????????
output:
-1
result:
ok correct
Test #44:
score: 0
Accepted
time: 0ms
memory: 28244kb
input:
11 110 ???????????
output:
-1
result:
ok correct
Test #45:
score: 0
Accepted
time: 0ms
memory: 34344kb
input:
12 4 ????????????
output:
NACCCCBBBBBB
result:
ok correct
Test #46:
score: 0
Accepted
time: 0ms
memory: 34288kb
input:
13 193 ?????????????
output:
-1
result:
ok correct
Test #47:
score: 0
Accepted
time: 3ms
memory: 38644kb
input:
14 91 ??????????????
output:
NNNANAAACACCCC
result:
ok correct
Test #48:
score: 0
Accepted
time: 0ms
memory: 44560kb
input:
15 15 ???????????????
output:
NACACCCCCCCBBBB
result:
ok correct
Test #49:
score: 0
Accepted
time: 4ms
memory: 46580kb
input:
16 261 ????????????????
output:
-1
result:
ok correct
Test #50:
score: 0
Accepted
time: 3ms
memory: 54764kb
input:
17 514 ?????????????????
output:
-1
result:
ok correct
Test #51:
score: 0
Accepted
time: 3ms
memory: 60864kb
input:
18 678 ??????????????????
output:
-1
result:
ok correct
Test #52:
score: 0
Accepted
time: 3ms
memory: 67344kb
input:
19 40 ???????????????????
output:
NAACCACCCCCCCCCCCCB
result:
ok correct
Test #53:
score: 0
Accepted
time: 0ms
memory: 69052kb
input:
20 1019 ????????????????????
output:
-1
result:
ok correct
Test #54:
score: 0
Accepted
time: 11ms
memory: 79440kb
input:
21 1218 ?????????????????????
output:
-1
result:
ok correct
Test #55:
score: 0
Accepted
time: 7ms
memory: 87564kb
input:
22 1348 ??????????????????????
output:
-1
result:
ok correct
Test #56:
score: 0
Accepted
time: 7ms
memory: 100044kb
input:
23 476 ???????????????????????
output:
-1
result:
ok correct
Test #57:
score: 0
Accepted
time: 17ms
memory: 108316kb
input:
24 1445 ????????????????????????
output:
-1
result:
ok correct
Test #58:
score: 0
Accepted
time: 16ms
memory: 122408kb
input:
25 1331 ?????????????????????????
output:
-1
result:
ok correct
Test #59:
score: 0
Accepted
time: 30ms
memory: 132628kb
input:
26 459 ??????????????????????????
output:
NNNNNNNNNAAACACCCCCCCCCCCC
result:
ok correct
Test #60:
score: 0
Accepted
time: 28ms
memory: 153068kb
input:
27 398 ???????????????????????????
output:
NNNNANAAACCACCCCCCCCCCCCCCC
result:
ok correct
Test #61:
score: 0
Accepted
time: 52ms
memory: 161332kb
input:
28 274 ????????????????????????????
output:
NNANAAACCACCCCCCCCCCCCCCCCCC
result:
ok correct
Test #62:
score: 0
Accepted
time: 67ms
memory: 177592kb
input:
29 1624 ?????????????????????????????
output:
-1
result:
ok correct
Test #63:
score: 0
Accepted
time: 91ms
memory: 196136kb
input:
30 2079 ??????????????????????????????
output:
-1
result:
ok correct
Test #64:
score: 0
Accepted
time: 123ms
memory: 220916kb
input:
31 2067 ???????????????????????????????
output:
-1
result:
ok correct
Test #65:
score: 0
Accepted
time: 151ms
memory: 245520kb
input:
32 1267 ????????????????????????????????
output:
-1
result:
ok correct
Test #66:
score: 0
Accepted
time: 202ms
memory: 269908kb
input:
33 928 ?????????????????????????????????
output:
NNNNNNNAAAANAACACCCCCCCCCCCCCCCCC
result:
ok correct
Test #67:
score: 0
Accepted
time: 349ms
memory: 300528kb
input:
34 298 ??????????????????????????????????
output:
NNAAAAACACCCCCCCCCCCCCCCCCCCCCCCCB
result:
ok correct
Test #68:
score: 0
Accepted
time: 361ms
memory: 325108kb
input:
35 2361 ???????????????????????????????????
output:
-1
result:
ok correct
Test #69:
score: 0
Accepted
time: 464ms
memory: 353848kb
input:
36 489 ????????????????????????????????????
output:
NNNANAAACCCCCCACCCCCCCCCCCCCCCCCCCCC
result:
ok correct
Test #70:
score: 0
Accepted
time: 585ms
memory: 390676kb
input:
37 294 ?????????????????????????????????????
output:
NNAAAACCCACCCCCCCCCCCCCCCCCCCCCCCCCCC
result:
ok correct
Test #71:
score: 0
Accepted
time: 760ms
memory: 425444kb
input:
38 1558 ??????????????????????????????????????
output:
NNNNNNAANAAAAAAAAAACCCCCCCCCCCCCCCCCCC
result:
ok correct
Test #72:
score: -100
Time Limit Exceeded
input:
39 1319 ???????????????????????????????????????
output:
NNNNNNNAAACAANAAACCCCCCCCCCCCCCCCCCCCCC