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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
#605989#8776. Not Another Constructive!rikka_lyly#TL 547ms159532kbC++202.3kb2024-10-02 21:14:052024-10-02 21:14:08

Judging History

你现在查看的是最新测评结果

  • [2024-10-02 21:14:08]
  • 评测
  • 测评结果:TL
  • 用时:547ms
  • 内存:159532kb
  • [2024-10-02 21:14:05]
  • 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(500, vector<bool>(k + 2))));
    string ans;
    bool haveans = 0;
    auto dfs = [&](auto self, int cur, array<int, 3> dp) -> void {
        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(f[cur][dp[0]][dp[1]][dp[2]])
            return;
        auto ndp = dp;
        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, ndp);
            if(haveans)
                return;
            ans.pop_back();
        }
        if(s[cur] == 'N' || s[cur] == '?')
        {
            ndp[0]++;
            ans.push_back('N');
            self(self, cur + 1, ndp);
            if(haveans)
                return;
            ans.pop_back();
            ndp[0]--;
        }
        if(s[cur] == 'A' || s[cur] == '?')
        {
            ndp[1] += ndp[0];
            ans.push_back('A');
            self(self, cur + 1, ndp);
            if(haveans)
                return;
            ans.pop_back();
            ndp[1] -= ndp[0];
        }
        if(s[cur] == 'C' || s[cur] == '?')
        {
            ndp[2] += ndp[1];
            ans.push_back('C');
            self(self, cur + 1, ndp);
            if(haveans)
                return;
            ans.pop_back();
            ndp[2] -= ndp[1];
        }
        f[cur][dp[0]][dp[1]][dp[2]] = 1;
        return;
    };
    dfs(dfs, 0, {0, 0, 0});
    if(haveans)
        cout << ans << '\n';
    else
        cout << -1 << '\n';
}

int main()
{
    ios::sync_with_stdio(false);
    cin.tie(0), cout.tie(0);
    int t = 1;
    while (t--)
    {
        solve();
    }
}

詳細信息

Test #1:

score: 100
Accepted
time: 8ms
memory: 22316kb

input:

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

output:

NXXAXXXXXXCXXXXXXXXXXC

result:

ok correct

Test #2:

score: 0
Accepted
time: 3ms
memory: 16364kb

input:

18 0
COUNTINGSATELLITES

output:

COUNTINGSATELLITES

result:

ok correct

Test #3:

score: 0
Accepted
time: 0ms
memory: 3980kb

input:

2 1
??

output:

-1

result:

ok correct

Test #4:

score: 0
Accepted
time: 1ms
memory: 3796kb

input:

1 0
?

output:

X

result:

ok correct

Test #5:

score: 0
Accepted
time: 1ms
memory: 3808kb

input:

1 0
N

output:

N

result:

ok correct

Test #6:

score: 0
Accepted
time: 0ms
memory: 3740kb

input:

1 0
X

output:

X

result:

ok correct

Test #7:

score: 0
Accepted
time: 1ms
memory: 3808kb

input:

1 1
?

output:

-1

result:

ok correct

Test #8:

score: 0
Accepted
time: 1ms
memory: 4032kb

input:

1 1
N

output:

-1

result:

ok correct

Test #9:

score: 0
Accepted
time: 0ms
memory: 4000kb

input:

1 1
X

output:

-1

result:

ok correct

Test #10:

score: 0
Accepted
time: 0ms
memory: 3980kb

input:

2 0
??

output:

XX

result:

ok correct

Test #11:

score: 0
Accepted
time: 0ms
memory: 3936kb

input:

2 0
N?

output:

NX

result:

ok correct

Test #12:

score: 0
Accepted
time: 1ms
memory: 3984kb

input:

2 0
?C

output:

XC

result:

ok correct

Test #13:

score: 0
Accepted
time: 1ms
memory: 3976kb

input:

2 1
N?

output:

-1

result:

ok correct

Test #14:

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

input:

2 1
?C

output:

-1

result:

ok correct

Test #15:

score: 0
Accepted
time: 1ms
memory: 4452kb

input:

3 1
???

output:

NAC

result:

ok correct

Test #16:

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

input:

3 1
N??

output:

NAC

result:

ok correct

Test #17:

score: 0
Accepted
time: 1ms
memory: 4420kb

input:

3 1
?A?

output:

NAC

result:

ok correct

Test #18:

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

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: 4196kb

input:

3 1
N?C

output:

NAC

result:

ok correct

Test #21:

score: 0
Accepted
time: 1ms
memory: 4216kb

input:

3 1
?AC

output:

NAC

result:

ok correct

Test #22:

score: 0
Accepted
time: 1ms
memory: 4772kb

input:

4 1
????

output:

XNAC

result:

ok correct

Test #23:

score: 0
Accepted
time: 0ms
memory: 4472kb

input:

4 1
X???

output:

XNAC

result:

ok correct

Test #24:

score: 0
Accepted
time: 1ms
memory: 4536kb

input:

4 1
???Z

output:

NACZ

result:

ok correct

Test #25:

score: 0
Accepted
time: 0ms
memory: 4472kb

input:

4 1
?AA?

output:

-1

result:

ok correct

Test #26:

score: 0
Accepted
time: 1ms
memory: 4472kb

input:

4 1
N???

output:

NXAC

result:

ok correct

Test #27:

score: 0
Accepted
time: 1ms
memory: 4472kb

input:

4 1
?N??

output:

XNAC

result:

ok correct

Test #28:

score: 0
Accepted
time: 1ms
memory: 4540kb

input:

4 1
??N?

output:

NANC

result:

ok correct

Test #29:

score: 0
Accepted
time: 1ms
memory: 4776kb

input:

4 1
???N

output:

NACN

result:

ok correct

Test #30:

score: 0
Accepted
time: 1ms
memory: 4536kb

input:

4 1
A???

output:

ANAC

result:

ok correct

Test #31:

score: 0
Accepted
time: 1ms
memory: 4476kb

input:

4 1
?A??

output:

NAXC

result:

ok correct

Test #32:

score: 0
Accepted
time: 1ms
memory: 4472kb

input:

4 1
??A?

output:

XNAC

result:

ok correct

Test #33:

score: 0
Accepted
time: 1ms
memory: 4732kb

input:

4 1
???A

output:

NACA

result:

ok correct

Test #34:

score: 0
Accepted
time: 1ms
memory: 4416kb

input:

4 1
C???

output:

CNAC

result:

ok correct

Test #35:

score: 0
Accepted
time: 1ms
memory: 4476kb

input:

4 1
?C??

output:

NCAC

result:

ok correct

Test #36:

score: 0
Accepted
time: 0ms
memory: 4732kb

input:

4 1
??C?

output:

NACX

result:

ok correct

Test #37:

score: 0
Accepted
time: 0ms
memory: 4536kb

input:

4 1
???C

output:

XNAC

result:

ok correct

Test #38:

score: 0
Accepted
time: 0ms
memory: 4960kb

input:

5 4
?????

output:

NNAAC

result:

ok correct

Test #39:

score: 0
Accepted
time: 0ms
memory: 5548kb

input:

6 14
??????

output:

-1

result:

ok correct

Test #40:

score: 0
Accepted
time: 3ms
memory: 6112kb

input:

7 14
???????

output:

-1

result:

ok correct

Test #41:

score: 0
Accepted
time: 6ms
memory: 6444kb

input:

8 43
????????

output:

-1

result:

ok correct

Test #42:

score: 0
Accepted
time: 9ms
memory: 7116kb

input:

9 55
?????????

output:

-1

result:

ok correct

Test #43:

score: 0
Accepted
time: 9ms
memory: 8116kb

input:

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

output:

-1

result:

ok correct

Test #44:

score: 0
Accepted
time: 5ms
memory: 8664kb

input:

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

output:

-1

result:

ok correct

Test #45:

score: 0
Accepted
time: 5ms
memory: 9548kb

input:

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

output:

XXXXXXXNNAAC

result:

ok correct

Test #46:

score: 0
Accepted
time: 7ms
memory: 12292kb

input:

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

output:

-1

result:

ok correct

Test #47:

score: 0
Accepted
time: 8ms
memory: 11516kb

input:

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

output:

NNNNANAAACACCC

result:

ok correct

Test #48:

score: 0
Accepted
time: 0ms
memory: 12668kb

input:

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

output:

XXXXXXXNNNAACAC

result:

ok correct

Test #49:

score: 0
Accepted
time: 12ms
memory: 16260kb

input:

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

output:

-1

result:

ok correct

Test #50:

score: 0
Accepted
time: 10ms
memory: 22620kb

input:

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

output:

-1

result:

ok correct

Test #51:

score: 0
Accepted
time: 24ms
memory: 27616kb

input:

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

output:

-1

result:

ok correct

Test #52:

score: 0
Accepted
time: 19ms
memory: 17744kb

input:

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

output:

XXXXXXXXNNNNNAAAACC

result:

ok correct

Test #53:

score: 0
Accepted
time: 50ms
memory: 42984kb

input:

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

output:

-1

result:

ok correct

Test #54:

score: 0
Accepted
time: 34ms
memory: 54672kb

input:

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

output:

-1

result:

ok correct

Test #55:

score: 0
Accepted
time: 44ms
memory: 63516kb

input:

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

output:

-1

result:

ok correct

Test #56:

score: 0
Accepted
time: 69ms
memory: 37492kb

input:

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

output:

-1

result:

ok correct

Test #57:

score: 0
Accepted
time: 90ms
memory: 74260kb

input:

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

output:

-1

result:

ok correct

Test #58:

score: 0
Accepted
time: 101ms
memory: 74732kb

input:

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

output:

-1

result:

ok correct

Test #59:

score: 0
Accepted
time: 66ms
memory: 46424kb

input:

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

output:

XXNNNNNNNNNAAANAAACACCCCCC

result:

ok correct

Test #60:

score: 0
Accepted
time: 47ms
memory: 43520kb

input:

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

output:

XXXXNNNNNNNNNAANAAAACACCCCC

result:

ok correct

Test #61:

score: 0
Accepted
time: 32ms
memory: 39724kb

input:

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

output:

XXXXXXXXNNNNNNNANAAAACACCCCC

result:

ok correct

Test #62:

score: 0
Accepted
time: 271ms
memory: 119484kb

input:

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

output:

-1

result:

ok correct

Test #63:

score: 0
Accepted
time: 339ms
memory: 149888kb

input:

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

output:

-1

result:

ok correct

Test #64:

score: 0
Accepted
time: 420ms
memory: 159532kb

input:

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

output:

-1

result:

ok correct

Test #65:

score: 0
Accepted
time: 547ms
memory: 118300kb

input:

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

output:

-1

result:

ok correct

Test #66:

score: 0
Accepted
time: 282ms
memory: 98624kb

input:

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

output:

XXXNNNNNNNNNNNNANAAAAAAAACCCCCCCC

result:

ok correct

Test #67:

score: 0
Accepted
time: 96ms
memory: 56240kb

input:

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

output:

XXXXXXXXXXXXXNNNNNNNANAAAAACCCCACC

result:

ok correct

Test #68:

score: -100
Time Limit Exceeded

input:

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

output:

-1

result: