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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#210788#6331. Jewel Gameucup-team870AC ✓804ms8592kbC++143.4kb2023-10-11 20:06:212023-10-11 20:06:21

Judging History

你现在查看的是最新测评结果

  • [2023-10-11 20:06:21]
  • 评测
  • 测评结果：AC
  • 用时：804ms
  • 内存：8592kb
查看
  • [2023-10-11 20:06:21]
  • 提交

answer

#include <bits/stdc++.h>
#define rep(i,l,r) for(int i=l; i<=r; i++)
#define per(i,r,l) for(int i=r; i>=l; i--)
#define IOS {cin.tie(0);cout.tie(0);ios::sync_with_stdio(0);}
using namespace std;

typedef long long ll;
typedef pair<int,int> P;

const int N = 33;

vector<int> e[N], sta[N], b[N];

int pos[N], w[N], f[(1<<10)+2][33][33], id[N], du[N][N], vis[N][N], chong[(1<<10)+2][N];
P tmp[1025];

queue <P> q;
priority_queue<P> ksj;

int main() {
    int n, m, A, B;
    scanf("%d%d%d%d", &n, &m, &A, &B);
    rep (i, 1, m) {
        int u, v;
        scanf("%d%d", &u, &v);
        e[u].push_back(v);
        b[v].push_back(u);

    }
    int k; scanf("%d", &k);
    rep (i, 1, k) {
        scanf("%d%d", &pos[i], &w[i]);
        id[pos[i]] = i;
    }
    int mx = (1<<k) - 1;
    rep (s, 1, mx) {
        rep (i, 1, k) if ((s>>i-1) & 1) {
            chong[s][pos[i]] = 1;
        }
    }
    rep (s, 1, mx) {
        sta[__builtin_popcount(s)].push_back(s);
    }
    rep (s, 1, mx) {
        rep(i, 1, n) {
            rep (j, 1, n) {
                f[s][i][j] = -1e9;
            }
        }
    }
    rep (_, 1, k) {
        for (auto s: sta[_]) {
            auto g = f[s];
            while (!ksj.empty()) ksj.pop();
            rep (i, 1, n) {
                rep (j, 1, n) if (!chong[s][i] && !chong[s][j]) {
                    int top = 0;
                    for (auto v: e[i]) {
                        int p = id[v];
                        if ((s>>p-1) & 1) {
                            int t = s ^ (1<<p-1);
                            g[i][j] = max(g[i][j], -f[t][j][v] + w[p]);
                            tmp[++top] = P(-f[t][j][v] + w[p], i * n + j - 1);
                        } else {
                            du[i][j]++;
                        }
                    }
                    if (du[i][j] == 0) {
                        vis[i][j] = 1;
                        q.push(P(i, j));
                    } else {
                        while (top) ksj.push(tmp[top--]);
                    }
                }
            }
            while (1) {
                while (!q.empty()) {
                    auto [i, j] = q.front();
                    q.pop();
                    for (auto v: b[j]) { //previous: (v, i)
                        if (chong[s][v] || chong[s][i]) continue;
                        if (vis[v][i]) continue;
                        du[v][i]--;
                        g[v][i] = max(g[v][i], -g[i][j]);
                        if (du[v][i] == 0) {
                            vis[v][i] = 1;
                            q.push(P(v, i));
                        } else {
                            ksj.push(P(-g[i][j], v*n + i - 1));
                        }
                    }
                }
                if (ksj.empty()) break;
                auto [v, t] = ksj.top();
                ksj.pop();
                if (v < 0) break;
                int i = t/n, j = t%n+1;
                if (vis[i][j]) continue;
                vis[i][j] = 1;
                g[i][j] = v;
                q.push(P(i, j));
            }

            rep (i, 1, n) {
                rep (j, 1, n) {
                    if (!vis[i][j]) g[i][j] = 0;
                    vis[i][j] = du[i][j] = 0;
                }
            }
        }
    }

    cout << f[mx][A][B];
    return 0;
}
Source code, Language: C++14

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 4076kb

input:

5 16 1 1
1 2
1 3
1 4
1 5
2 3
2 4
2 5
3 2
3 4
3 5
4 2
4 3
4 5
5 2
5 3
5 4
4
2 4
3 84
4 38
5 96

output:

46

result:

ok 1 number(s): "46"

Test #2:

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

input:

8 16 8 4
1 2
2 3
3 4
4 5
5 6
6 7
7 8
8 1
1 5
2 6
3 7
4 8
5 1
6 2
7 3
8 4
6
1 29
2 34
3 41
5 7
6 26
7 94

output:

-23

result:

ok 1 number(s): "-23"

Test #3:

score: 0
Accepted
time: 0ms
memory: 3704kb

input:

5 5 2 1
1 1
2 3
3 4
4 5
5 2
2
4 1000000
5 100000

output:

1100000

result:

ok 1 number(s): "1100000"

Test #4:

score: 0
Accepted
time: 2ms
memory: 4912kb

input:

10 20 1 2
1 4
1 7
2 2
2 4
3 6
3 3
4 8
4 7
5 7
5 1
6 9
6 2
7 9
7 3
8 8
8 6
9 7
9 8
10 10
10 2
8
3 92067840
4 2874502
5 36253165
6 70758738
7 4768969
8 16029185
9 16207515
10 44912151

output:

132484345

result:

ok 1 number(s): "132484345"

Test #5:

score: 0
Accepted
time: 804ms
memory: 8404kb

input:

30 900 1 2
2 25
8 21
22 16
26 29
12 24
1 8
7 14
22 27
27 20
5 24
21 21
21 10
30 28
5 16
12 3
16 1
21 2
24 23
24 14
9 7
9 18
20 22
6 1
30 3
11 6
2 17
18 13
28 20
5 15
26 16
9 14
30 23
4 23
4 2
9 5
21 29
1 30
12 14
16 27
28 22
15 7
23 10
13 16
1 15
22 9
13 12
30 18
10 5
25 28
3 17
30 30
7 17
11 24
12 ...

output:

40915541

result:

ok 1 number(s): "40915541"

Test #6:

score: 0
Accepted
time: 803ms
memory: 8316kb

input:

30 900 1 1
16 16
26 15
20 25
9 28
27 1
25 18
12 6
7 26
14 15
28 21
18 19
12 3
26 29
28 24
8 8
22 9
18 3
9 2
26 9
29 21
13 28
21 24
18 2
30 8
1 25
19 26
4 19
2 25
14 27
14 12
2 23
23 15
16 5
9 29
10 27
29 16
16 20
5 8
3 28
12 12
30 7
16 29
30 17
3 11
21 26
18 14
14 6
26 4
21 29
3 6
11 15
22 4
14 18
1...

output:

38892888

result:

ok 1 number(s): "38892888"

Test #7:

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

input:

9 58 5 4
4 6
8 9
5 3
6 5
7 1
5 9
6 3
2 1
4 8
2 9
3 4
1 2
8 5
5 2
1 3
2 3
9 5
4 3
3 1
5 4
9 1
6 7
2 8
7 3
2 5
8 3
2 7
5 8
4 7
9 2
4 5
5 7
3 7
6 8
1 4
9 4
9 8
7 9
1 1
4 4
3 6
1 8
6 6
5 5
9 9
5 1
1 6
2 4
3 2
5 6
3 3
2 6
7 4
6 2
3 9
6 9
8 8
9 7
2
1 28323506
7 18381394

output:

46704900

result:

ok 1 number(s): "46704900"

Test #8:

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

input:

8 11 4 4
4 6
7 6
8 2
5 8
3 4
2 3
8 6
5 1
6 6
1 8
8 4
4
2 75547123
5 9278878
7 13909469
8 57425260

output:

0

result:

ok 1 number(s): "0"

Test #9:

score: 0
Accepted
time: 0ms
memory: 4028kb

input:

4 10 1 2
2 3
1 3
4 4
1 4
3 3
4 3
1 2
3 1
2 4
1 1
2
3 35669800
4 36664186

output:

994386

result:

ok 1 number(s): "994386"

Test #10:

score: 0
Accepted
time: 5ms
memory: 4288kb

input:

17 125 15 14
12 5
13 11
13 12
9 13
16 2
13 3
1 14
16 14
13 10
3 2
17 14
14 12
8 11
10 1
9 8
14 2
13 6
3 3
7 1
11 12
16 17
10 4
15 10
12 11
10 10
4 9
14 16
9 3
4 8
15 5
2 12
7 11
14 1
10 3
4 11
4 4
8 12
8 7
9 16
15 13
17 9
1 10
8 5
13 4
13 16
15 15
9 10
17 4
10 17
2 16
13 1
15 9
5 7
14 11
10 9
5 5
9 ...

output:

-33927098

result:

ok 1 number(s): "-33927098"

Test #11:

score: 0
Accepted
time: 1ms
memory: 3876kb

input:

11 18 8 7
5 11
9 3
1 8
6 11
11 5
5 9
1 9
2 5
10 2
4 10
7 1
6 2
10 8
3 9
8 6
3 7
7 11
2 10
5
2 22754552
5 84549882
6 19922948
9 13449629
11 18334746

output:

-73656757

result:

ok 1 number(s): "-73656757"

Test #12:

score: 0
Accepted
time: 0ms
memory: 3700kb

input:

3 8 2 3
1 3
3 2
1 2
3 3
2 1
2 3
3 1
2 2
1
1 53102229

output:

53102229

result:

ok 1 number(s): "53102229"

Test #13:

score: 0
Accepted
time: 1ms
memory: 5720kb

input:

3 6 1 1
1 3
2 3
3 1
2 2
1 2
2 1
1
3 88674071

output:

88674071

result:

ok 1 number(s): "88674071"

Test #14:

score: 0
Accepted
time: 1ms
memory: 5756kb

input:

10 22 3 3
5 6
2 9
1 4
6 4
7 9
3 4
4 3
4 2
6 3
10 8
8 1
8 2
9 4
5 10
4 10
7 3
7 6
10 9
1 1
1 10
10 5
2 3
4
1 12017417
2 33560186
9 68408625
10 44302781

output:

91168637

result:

ok 1 number(s): "91168637"

Test #15:

score: 0
Accepted
time: 1ms
memory: 3756kb

input:

11 76 11 6
11 9
4 8
4 2
11 4
7 7
9 8
5 2
7 3
1 4
8 8
6 1
2 7
7 4
9 6
10 6
7 9
3 5
1 8
2 11
1 6
4 1
10 2
4 11
4 4
2 8
8 9
11 10
8 4
8 5
3 4
4 5
11 5
11 8
10 3
8 3
7 6
4 9
1 7
1 10
7 5
10 4
5 6
6 10
5 5
7 11
8 11
2 2
6 9
1 5
2 3
8 1
3 10
6 3
9 10
5 8
7 10
1 11
4 3
2 9
5 10
9 5
3 1
5 7
6 5
9 3
5 11
3 6...

output:

18844044

result:

ok 1 number(s): "18844044"

Test #16:

score: 0
Accepted
time: 0ms
memory: 3716kb

input:

5 8 2 5
5 4
4 1
3 5
1 5
1 2
2 5
3 3
3 1
3
1 89861734
3 78638917
4 76333187

output:

-166194921

result:

ok 1 number(s): "-166194921"

Test #17:

score: 0
Accepted
time: 20ms
memory: 8480kb

input:

24 34 21 10
17 17
19 21
22 24
8 4
10 11
7 11
18 20
9 15
17 7
2 8
5 4
13 6
11 5
21 11
12 16
7 23
3 13
16 7
1 3
23 18
6 2
20 24
19 20
14 13
15 9
2 14
4 24
24 1
1 4
5 12
11 22
14 23
2 20
8 15
10
4 32206739
5 86258057
6 28124909
8 30711780
17 1439605
18 98665106
19 35462765
20 42495740
22 94507837
23 65...

output:

107651072

result:

ok 1 number(s): "107651072"

Test #18:

score: 0
Accepted
time: 19ms
memory: 4328kb

input:

25 157 7 9
12 18
16 14
7 14
4 11
24 20
19 4
19 6
17 4
12 16
21 14
18 25
22 10
15 3
14 11
5 16
15 9
24 13
10 14
25 1
25 22
25 8
18 20
17 11
12 21
2 6
14 14
18 13
17 7
9 16
13 21
16 25
17 8
21 2
19 2
15 4
10 8
15 11
20 21
13 1
7 11
9 11
20 12
7 10
15 12
16 16
2 22
21 17
21 3
16 9
22 1
6 24
9 23
12 10
...

output:

27571523

result:

ok 1 number(s): "27571523"

Test #19:

score: 0
Accepted
time: 662ms
memory: 8592kb

input:

30 594 3 3
21 8
13 27
26 24
17 20
10 1
24 14
30 26
7 22
14 3
16 1
15 28
2 20
5 23
23 16
24 6
4 29
19 24
25 13
19 13
24 27
16 3
18 19
5 18
1 30
29 18
1 8
30 6
10 16
30 3
29 10
23 17
17 2
16 2
1 16
3 1
22 19
5 17
4 14
19 23
9 29
22 16
18 15
2 25
10 9
28 7
12 12
2 10
10 19
3 6
15 19
6 21
7 23
23 24
4 1...

output:

20858678

result:

ok 1 number(s): "20858678"

Test #20:

score: 0
Accepted
time: 224ms
memory: 8244kb

input:

30 194 4 8
16 26
23 10
12 22
18 9
9 21
17 24
14 18
4 26
4 17
12 25
16 6
6 24
27 3
17 17
5 6
8 25
5 18
8 1
19 5
14 21
16 7
1 23
11 11
19 27
8 5
5 8
25 28
4 1
28 17
19 25
25 1
23 24
2 9
17 26
15 10
9 11
5 30
22 24
20 2
16 19
9 19
12 12
30 8
22 16
14 11
16 17
7 29
12 18
23 23
5 24
1 14
26 19
19 14
25 5...

output:

42920444

result:

ok 1 number(s): "42920444"

Test #21:

score: 0
Accepted
time: 59ms
memory: 8180kb

input:

30 59 11 13
2 5
18 16
9 19
5 22
30 4
23 8
3 9
17 28
12 28
12 13
7 1
17 16
7 28
22 6
22 21
23 16
8 27
27 14
4 4
3 21
1 27
22 11
15 6
7 3
26 26
29 15
15 12
4 14
21 9
24 2
13 11
3 22
18 20
29 10
11 16
26 19
10 8
20 23
15 2
20 2
19 12
20 10
15 15
25 8
10 24
1 24
9 10
16 17
3 25
9 8
25 17
14 7
14 28
8 26...

output:

235374574

result:

ok 1 number(s): "235374574"

Test #22:

score: 0
Accepted
time: 107ms
memory: 8532kb

input:

30 91 15 24
17 26
26 4
7 19
22 15
1 7
17 27
21 24
29 15
12 22
10 16
18 2
1 3
25 7
16 27
21 8
25 10
16 19
8 25
14 24
7 9
5 4
11 22
8 4
21 26
23 22
21 12
14 29
20 27
5 23
7 16
29 7
2 26
9 27
2 11
12 29
20 1
30 3
24 11
3 26
8 17
13 12
5 22
28 15
24 6
22 29
23 16
19 1
9 20
1 11
4 5
2 4
6 23
13 29
11 14
...

output:

57866396

result:

ok 1 number(s): "57866396"

Test #23:

score: 0
Accepted
time: 83ms
memory: 8216kb

input:

30 74 24 24
25 11
14 15
23 23
2 13
6 26
27 14
30 14
11 10
26 16
3 27
20 10
21 5
19 10
14 1
4 11
10 27
20 24
6 23
5 14
25 28
27 12
24 7
17 10
13 4
30 27
12 25
22 27
20 25
29 20
17 29
23 13
22 23
16 20
20 4
28 20
13 12
18 27
7 30
1 28
18 1
30 23
2 8
6 30
27 19
16 26
24 21
3 8
28 13
28 4
14 5
19 21
23 ...

output:

30736171

result:

ok 1 number(s): "30736171"

Test #24:

score: 0
Accepted
time: 606ms
memory: 8364kb

input:

30 542 11 11
19 24
24 14
25 25
11 6
30 21
14 19
19 9
2 22
9 19
21 5
23 27
27 15
14 10
13 3
22 5
3 5
28 14
22 13
14 22
22 7
11 22
23 19
27 12
6 11
24 25
23 17
26 28
27 24
10 29
5 30
17 17
29 7
28 4
6 17
6 30
20 19
2 2
18 22
3 29
7 12
27 28
25 18
30 23
22 15
11 19
10 28
2 7
4 4
11 20
2 11
11 14
23 7
2...

output:

50977437

result:

ok 1 number(s): "50977437"
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