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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
#199404#7184. Transport PluseskiwiHM#AC ✓88ms70388kbC++204.0kb2023-10-04 11:38:102023-10-04 11:38:11

Judging History

你现在查看的是最新测评结果

  • [2023-10-04 11:38:11]
  • 评测
  • 测评结果:AC
  • 用时:88ms
  • 内存:70388kb
  • [2023-10-04 11:38:10]
  • 提交

answer

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

const int Maxn = 125;
const int N = 102;
const int dx[4] = {0, 0, 1, -1};
const int dy[4] = {1, -1, 0, 0};

struct node{
    int x, y;
    bool operator != (const node p){
        return x != p.x || y != p.y;
    }
} crs[Maxn], S, T;

int n, t;

int encoder(int x, int y){
    return x * N + y;
}
int encoder(node x){
    return encoder(x.x, x.y);
}
node decoder(int id){
    int x = id / N;
    int y = id - x * N;
    return (node) {x, y};
}

double sqr(int x){ return x * x; }
double getEdis(node A, node B){
    return sqrt(sqr(A.x - B.x) + sqr(A.y - B.y));
}

struct Dijkstra{
#define MaxN    50050
#define MaxM    8000500
    struct Qnode{
        int u, d;
        bool operator < (const Qnode p)const {
            return d < p.d;
        }
        bool operator > (const Qnode p)const {
            return d > p.d;
        }
    };
    priority_queue <Qnode, vector<Qnode>, greater<Qnode> > que;
    struct Edge{
        int v, w, eid, next;
    } edge[MaxM << 1];
    int first[MaxN], dis[MaxN], frm[MaxN], fwhich[MaxN], Top;
    void init(){
        Top = 1;
        memset(first, 0, sizeof first);
    }
    void add(int u, int v, int w, int eid = 0){
        edge[++Top] = (Edge) {v, w, eid, first[u]};
        first[u] = Top;
    }
    int dijkstra(int S, int T){
        memset(dis, 63, sizeof dis);
        while (que.size()) que.pop();
        dis[S] = 0, que.push((Qnode) {S, 0});
        while (que.size()){
            int u = que.top().u, d = que.top().d; que.pop();
            if (d > dis[u]) continue;
            for (int i = first[u]; i; i = edge[i].next){
                int v = edge[i].v, w = edge[i].w, eid = edge[i].eid;
                if (dis[v] == -1 || d + w < dis[v]){
                    dis[v] = d + w;
                    frm[v] = u;
                    fwhich[v] = eid;
                    que.push((Qnode) {v, dis[v]});
                }
            }
        }
        return dis[T];
    }
} G;

void build(){
    G.init();
    for (int i = 0; i <= 100; i++)
        for (int j = 0; j <= 100; j++)
            for (int k = 0; k < 4; k++){
                int tx = i + dx[k];
                int ty = j + dy[k];
                if (tx < 0 || ty < 0 || tx > 100 || ty > 100)
                    continue;
                G.add(encoder(i, j), encoder(tx, ty), 1);
            }
    for (int id = 1; id <= n; id++){
        int x = crs[id].x, y = crs[id].y;
        vector <int> vec; vec.clear();
        vec.push_back(encoder(x, y));
        for (int i = 0; i <= 100; i++){
            if (i != x) vec.push_back(encoder(i, y));
            if (i != y) vec.push_back(encoder(x, i));
        }
        for (int i = 0, si = vec.size(); i < si; i++)
            for (int j = i + 1; j < si; j++){
                G.add(vec[i], vec[j], t, id);
                G.add(vec[j], vec[i], t, id);
            }
    }
}

int main(){
    ios :: sync_with_stdio(false), cin.tie(0);
    cin >> n >> t;
    cin >> S.x >> S.y >> T.x >> T.y;
    for (int i = 1; i <= n; i++)
        cin >> crs[i].x >> crs[i].y;
    build();
    double dis1 = G.dijkstra(encoder(S), encoder(T));
    double dis2 = getEdis(S, T); 
    if (dis1 < dis2){
        cout << fixed << setprecision(10) << dis1 << endl;
        vector <node> ansnode; ansnode.clear();
        vector <int> ansedge; ansedge.clear();
        for (node cur = T; cur != S; cur = decoder(G.frm[encoder(cur)])){
            ansnode.push_back(cur);
            ansedge.push_back(G.fwhich[encoder(cur)]);
        }
        reverse(ansnode.begin(), ansnode.end());
        reverse(ansedge.begin(), ansedge.end());
        cout << ansnode.size() << endl;
        for (int i = 0, si = ansnode.size(); i < si; i++)
            cout << ansedge[i] << ' ' << ansnode[i].x << ' ' << ansnode[i].y << endl;
    } else {
        cout << fixed << setprecision(10) << dis2 << endl;
        cout << 1 << endl;
        cout << "0 " << T.x << ' ' << T.y << endl;
    }
    return 0;
}

详细

Test #1:

score: 100
Accepted
time: 2ms
memory: 6536kb

input:

1 2
1 1
5 3
6 2

output:

4.0000000000
3
0 1 2
1 6 3
0 5 3

result:

ok correct

Test #2:

score: 0
Accepted
time: 3ms
memory: 8100kb

input:

2 1
1 1
6 1
1 3
6 3

output:

2.0000000000
2
1 38 3
2 6 1

result:

ok correct

Test #3:

score: 0
Accepted
time: 0ms
memory: 8516kb

input:

0 0
1 1
1 1

output:

0.0000000000
1
0 1 1

result:

ok correct

Test #4:

score: 0
Accepted
time: 2ms
memory: 8612kb

input:

0 0
100 100
0 0

output:

141.4213562373
1
0 0 0

result:

ok correct

Test #5:

score: 0
Accepted
time: 2ms
memory: 8572kb

input:

1 0
100 100
0 0
100 100

output:

100.0000000000
101
1 0 100
0 0 99
0 0 98
0 0 97
0 0 96
0 0 95
0 0 94
0 0 93
0 0 92
0 0 91
0 0 90
0 0 89
0 0 88
0 0 87
0 0 86
0 0 85
0 0 84
0 0 83
0 0 82
0 0 81
0 0 80
0 0 79
0 0 78
0 0 77
0 0 76
0 0 75
0 0 74
0 0 73
0 0 72
0 0 71
0 0 70
0 0 69
0 0 68
0 0 67
0 0 66
0 0 65
0 0 64
0 0 63
0 0 62
0 0 61
...

result:

ok correct

Test #6:

score: 0
Accepted
time: 0ms
memory: 8572kb

input:

1 0
100 100
0 0
100 0

output:

0.0000000000
1
1 0 0

result:

ok correct

Test #7:

score: 0
Accepted
time: 2ms
memory: 5548kb

input:

1 0
100 100
0 0
0 100

output:

0.0000000000
1
1 0 0

result:

ok correct

Test #8:

score: 0
Accepted
time: 2ms
memory: 7464kb

input:

1 100
50 50
0 0
50 50

output:

70.7106781187
1
0 0 0

result:

ok correct

Test #9:

score: 0
Accepted
time: 2ms
memory: 8592kb

input:

1 100
50 50
0 0
0 50

output:

70.7106781187
1
0 0 0

result:

ok correct

Test #10:

score: 0
Accepted
time: 2ms
memory: 5544kb

input:

1 100
50 50
0 0
51 51

output:

70.7106781187
1
0 0 0

result:

ok correct

Test #11:

score: 0
Accepted
time: 2ms
memory: 5692kb

input:

1 100
50 50
0 0
2 53

output:

70.7106781187
1
0 0 0

result:

ok correct

Test #12:

score: 0
Accepted
time: 2ms
memory: 8756kb

input:

1 100
0 0
100 100
50 50

output:

141.4213562373
1
0 100 100

result:

ok correct

Test #13:

score: 0
Accepted
time: 0ms
memory: 5520kb

input:

1 33
0 0
100 100
50 50

output:

133.0000000000
101
0 0 1
0 0 2
0 0 3
0 0 4
0 0 5
0 0 6
0 0 7
0 0 8
0 0 9
0 0 10
0 0 11
0 0 12
0 0 13
0 0 14
0 0 15
0 0 16
0 0 17
0 0 18
0 0 19
0 0 20
0 0 21
0 0 22
0 0 23
0 0 24
0 0 25
0 0 26
0 0 27
0 0 28
0 0 29
0 0 30
0 0 31
0 0 32
0 0 33
0 0 34
0 0 35
0 0 36
0 0 37
0 0 38
0 0 39
0 0 40
0 0 41
0 0...

result:

ok correct

Test #14:

score: 0
Accepted
time: 2ms
memory: 5624kb

input:

1 12
100 0
11 90
0 100

output:

122.0000000000
111
0 99 0
0 98 0
0 97 0
0 96 0
0 95 0
0 94 0
0 93 0
0 92 0
0 91 0
0 90 0
0 89 0
0 88 0
0 87 0
0 86 0
0 85 0
0 84 0
0 83 0
0 82 0
0 81 0
0 80 0
0 79 0
0 78 0
0 77 0
0 76 0
0 75 0
0 74 0
0 73 0
0 72 0
0 71 0
0 70 0
0 69 0
0 68 0
0 67 0
0 66 0
0 65 0
0 64 0
0 63 0
0 62 0
0 61 0
0 60 0
0...

result:

ok correct

Test #15:

score: 0
Accepted
time: 0ms
memory: 8760kb

input:

1 12
100 0
10 89
0 100

output:

122.0000000000
111
0 99 0
0 98 0
0 97 0
0 96 0
0 95 0
0 94 0
0 93 0
0 92 0
0 91 0
0 90 0
0 89 0
0 88 0
0 87 0
0 86 0
0 85 0
0 84 0
0 83 0
0 82 0
0 81 0
0 80 0
0 79 0
0 78 0
0 77 0
0 76 0
0 75 0
0 74 0
0 73 0
0 72 0
0 71 0
0 70 0
0 69 0
0 68 0
0 67 0
0 66 0
0 65 0
0 64 0
0 63 0
0 62 0
0 61 0
0 60 0
0...

result:

ok correct

Test #16:

score: 0
Accepted
time: 0ms
memory: 8688kb

input:

2 1
2 1
5 1
1 3
6 3

output:

3.0000000000
1
0 5 1

result:

ok correct

Test #17:

score: 0
Accepted
time: 2ms
memory: 8620kb

input:

2 2
2 1
5 1
1 3
6 3

output:

3.0000000000
1
0 5 1

result:

ok correct

Test #18:

score: 0
Accepted
time: 2ms
memory: 5588kb

input:

1 2
1 1
5 3
7 2

output:

4.0000000000
3
0 1 2
1 5 2
0 5 3

result:

ok correct

Test #19:

score: 0
Accepted
time: 2ms
memory: 8544kb

input:

1 2
1 1
5 4
6 2

output:

4.0000000000
3
0 1 2
1 6 4
0 5 4

result:

ok correct

Test #20:

score: 0
Accepted
time: 3ms
memory: 14728kb

input:

12 1
77 80
76 78
77 81
76 79
77 78
75 80
75 79
76 80
78 81
77 81
76 81
76 80
77 79
76 79

output:

1.0000000000
1
10 76 78

result:

ok correct

Test #21:

score: 0
Accepted
time: 3ms
memory: 10820kb

input:

5 1
40 69
37 71
37 69
36 71
38 70
40 72
40 71

output:

1.0000000000
1
5 37 71

result:

ok correct

Test #22:

score: 0
Accepted
time: 5ms
memory: 11460kb

input:

8 1
84 27
86 32
85 31
83 27
86 27
85 28
83 27
83 32
85 31
87 29

output:

1.0000000000
1
3 86 32

result:

ok correct

Test #23:

score: 0
Accepted
time: 6ms
memory: 14764kb

input:

11 1
95 30
99 36
96 33
95 36
94 30
98 33
98 36
97 31
99 33
99 31
98 35
95 36
100 32

output:

1.0000000000
1
10 99 36

result:

ok correct

Test #24:

score: 0
Accepted
time: 3ms
memory: 8412kb

input:

4 1
19 37
18 32
18 36
21 36
19 33
22 34

output:

2.0000000000
2
0 18 37
1 18 32

result:

ok correct

Test #25:

score: 0
Accepted
time: 4ms
memory: 12836kb

input:

7 1
49 6
48 8
46 3
49 9
45 6
43 3
49 8
43 8
48 2

output:

1.0000000000
1
5 48 8

result:

ok correct

Test #26:

score: 0
Accepted
time: 5ms
memory: 14924kb

input:

10 0
75 31
74 34
77 36
79 34
74 37
75 32
76 31
81 37
79 34
77 28
80 36
80 28

output:

0.0000000000
2
4 74 32
3 74 34

result:

ok correct

Test #27:

score: 0
Accepted
time: 2ms
memory: 10568kb

input:

3 3
74 19
75 15
70 17
74 10
75 17

output:

4.0000000000
2
0 75 19
3 75 15

result:

ok correct

Test #28:

score: 0
Accepted
time: 3ms
memory: 9300kb

input:

6 1
38 6
35 3
32 13
34 4
37 4
28 10
37 12
35 14

output:

3.0000000000
3
0 37 6
5 37 14
6 35 3

result:

ok correct

Test #29:

score: 0
Accepted
time: 5ms
memory: 11960kb

input:

9 2
91 54
90 52
86 61
90 59
90 63
97 54
93 60
96 56
85 63
89 58
95 59

output:

2.2360679775
1
0 90 52

result:

ok correct

Test #30:

score: 0
Accepted
time: 2ms
memory: 7524kb

input:

3 1
28 85
24 87
23 94
29 87
23 86

output:

2.0000000000
2
0 29 85
2 24 87

result:

ok correct

Test #31:

score: 0
Accepted
time: 10ms
memory: 17824kb

input:

18 1
56 70
54 77
56 72
52 71
54 69
53 67
52 72
55 73
51 71
59 74
49 77
58 80
59 72
60 77
50 70
56 71
61 71
63 79
60 76
54 69

output:

2.0000000000
2
14 56 69
18 54 77

result:

ok correct

Test #32:

score: 0
Accepted
time: 13ms
memory: 24272kb

input:

28 1
70 72
62 63
78 73
80 64
74 74
55 60
77 55
58 61
64 57
68 65
75 73
64 75
76 60
77 58
60 65
64 67
79 66
58 78
64 58
66 55
62 62
55 57
65 55
73 76
58 70
76 56
66 68
77 76
64 55
55 65

output:

3.0000000000
3
0 70 73
1 78 62
19 62 63

result:

ok correct

Test #33:

score: 0
Accepted
time: 13ms
memory: 30160kb

input:

40 1
72 56
63 68
70 58
70 63
55 55
52 76
83 52
84 86
49 66
63 76
57 65
82 77
50 78
82 76
78 53
74 58
66 65
80 71
57 77
54 71
77 86
67 88
71 71
80 74
65 70
48 66
80 86
82 69
72 78
72 73
74 65
84 49
68 75
47 52
75 82
83 55
52 76
49 88
47 48
70 61
45 60
44 49

output:

2.0000000000
2
27 63 78
8 63 68

result:

ok correct

Test #34:

score: 0
Accepted
time: 21ms
memory: 36448kb

input:

50 1
67 73
81 81
88 73
64 40
45 53
70 65
50 73
70 50
81 53
75 56
43 76
74 40
82 59
41 66
41 45
45 48
84 46
78 50
88 69
70 45
80 82
69 43
55 42
52 74
59 85
57 70
43 53
53 45
66 46
43 81
64 55
78 61
66 51
48 40
44 73
87 42
68 73
77 60
77 45
87 65
58 56
47 58
44 54
57 77
62 85
80 83
82 54
54 82
69 48
4...

output:

2.0000000000
2
33 44 53
7 81 81

result:

ok correct

Test #35:

score: 0
Accepted
time: 32ms
memory: 43452kb

input:

59 1
15 7
43 24
67 8
23 32
62 55
65 33
33 17
47 22
59 30
56 40
51 46
19 23
63 16
68 30
60 34
59 19
51 42
69 12
68 57
50 59
16 20
46 42
33 11
56 41
41 14
50 56
61 44
67 14
47 57
69 59
34 55
66 47
42 44
39 34
14 32
16 53
29 9
52 55
37 41
49 38
18 27
50 43
41 43
30 32
20 61
42 45
57 39
20 17
70 8
36 27...

output:

2.0000000000
2
50 43 7
52 43 24

result:

ok correct

Test #36:

score: 0
Accepted
time: 26ms
memory: 49684kb

input:

65 2
60 33
67 26
70 39
46 50
24 42
73 36
33 68
51 16
63 79
40 77
65 30
48 58
44 38
31 14
40 69
84 30
47 38
82 39
48 35
87 37
68 58
82 41
88 38
38 62
43 48
51 19
69 63
87 64
66 49
72 48
63 19
67 79
42 41
49 56
59 19
57 65
41 64
55 52
60 53
75 61
59 21
76 36
35 21
61 77
37 75
55 13
87 60
61 45
93 70
7...

output:

4.0000000000
2
37 60 37
51 67 26

result:

ok correct

Test #37:

score: 0
Accepted
time: 49ms
memory: 55872kb

input:

78 2
42 19
48 4
47 15
64 21
20 8
94 20
19 50
23 76
33 77
28 76
81 5
86 38
77 66
44 38
93 36
60 13
45 25
28 61
73 18
67 59
77 77
78 63
82 13
60 7
83 53
84 40
40 16
78 9
91 20
22 49
80 65
30 34
92 43
32 77
80 47
52 23
81 4
76 44
36 62
43 70
86 21
19 66
47 30
62 3
74 35
68 52
83 19
45 68
29 22
22 4
62 ...

output:

4.0000000000
2
45 83 4
48 48 4

result:

ok correct

Test #38:

score: 0
Accepted
time: 56ms
memory: 63884kb

input:

89 1
10 58
20 62
87 86
74 45
53 94
23 35
22 18
66 8
35 15
24 20
58 40
29 88
49 48
77 33
41 50
55 27
44 17
58 25
35 22
23 60
85 39
14 31
95 83
66 53
54 35
46 14
52 34
91 76
93 78
84 7
90 72
19 12
55 15
91 56
31 12
25 42
72 84
87 29
59 89
18 67
33 16
21 39
41 64
59 87
17 43
64 46
55 33
19 28
50 57
24 ...

output:

2.0000000000
2
77 41 58
52 20 62

result:

ok correct

Test #39:

score: 0
Accepted
time: 71ms
memory: 67304kb

input:

97 1
100 68
49 12
23 89
58 29
19 63
69 17
65 71
24 81
27 76
56 47
84 70
70 71
3 41
4 43
16 65
22 92
84 83
50 62
10 80
49 49
88 54
38 94
35 91
97 90
38 57
38 95
31 40
18 66
65 0
21 11
17 17
26 17
92 98
97 69
46 63
23 2
100 33
24 88
69 52
45 86
31 57
56 10
21 19
56 63
12 57
3 38
80 1
84 16
100 80
68 2...

output:

2.0000000000
2
62 49 75
18 49 12

result:

ok correct

Test #40:

score: 0
Accepted
time: 58ms
memory: 69328kb

input:

99 5
84 19
36 19
82 53
34 59
52 35
88 59
52 41
34 47
94 59
94 47
82 35
58 59
34 17
40 29
70 59
58 23
58 17
40 53
82 65
46 47
70 41
88 35
88 41
94 29
64 41
52 23
76 47
64 47
46 23
52 47
94 35
70 47
94 65
34 53
52 59
88 29
76 23
46 35
34 23
40 59
88 23
94 41
34 41
88 17
82 41
58 41
40 41
46 59
46 29
9...

output:

9.0000000000
5
0 84 18
0 84 17
11 34 19
0 35 19
0 36 19

result:

ok correct

Test #41:

score: 0
Accepted
time: 50ms
memory: 70100kb

input:

99 5
58 44
65 63
44 65
50 41
92 71
86 71
44 29
38 65
56 77
68 59
44 35
56 41
74 59
98 77
92 35
56 53
86 47
98 41
44 41
50 65
68 47
62 47
38 41
68 71
86 35
74 35
98 59
68 53
74 41
98 29
68 29
74 77
98 47
44 71
38 53
80 29
92 29
74 53
86 77
44 53
38 77
56 71
44 77
98 53
62 71
44 47
50 53
86 53
80 59
8...

output:

9.0000000000
5
0 57 44
0 56 44
89 65 65
0 65 64
0 65 63

result:

ok correct

Test #42:

score: 0
Accepted
time: 59ms
memory: 70036kb

input:

100 4
83 12
65 17
93 26
63 20
51 14
51 38
75 32
69 14
87 20
45 2
69 50
93 56
93 2
69 38
93 14
51 2
81 26
93 38
81 14
39 14
75 8
75 44
93 44
87 44
45 56
93 20
57 44
81 44
87 2
75 38
39 20
69 20
45 50
39 2
63 32
57 50
81 56
39 38
45 38
39 8
45 26
69 8
81 38
81 50
69 44
57 26
51 20
51 32
87 14
63 2
39 ...

output:

8.0000000000
5
0 83 13
0 83 14
95 63 17
0 64 17
0 65 17

result:

ok correct

Test #43:

score: 0
Accepted
time: 56ms
memory: 69224kb

input:

100 4
54 77
43 59
21 39
9 27
45 33
63 75
39 39
21 81
39 75
27 81
15 27
39 33
9 63
63 63
21 27
27 33
45 81
51 63
39 63
57 81
51 27
63 27
33 57
63 45
51 39
45 63
27 51
51 51
33 75
39 57
15 81
15 63
15 75
39 27
51 45
45 27
45 75
51 75
57 75
33 69
63 81
21 75
63 69
39 69
51 57
57 63
15 39
21 69
15 33
21...

output:

8.0000000000
5
0 54 76
0 54 75
35 45 59
0 44 59
0 43 59

result:

ok correct

Test #44:

score: 0
Accepted
time: 51ms
memory: 67812kb

input:

99 3
14 11
43 12
35 44
17 20
17 32
17 14
35 62
53 68
17 68
35 50
41 56
53 26
53 62
23 50
41 38
23 62
53 56
53 14
23 44
29 68
29 38
59 8
29 50
23 68
17 62
29 56
41 14
35 56
11 62
53 8
23 38
17 56
11 8
59 26
59 62
17 8
59 38
41 32
29 62
59 20
47 32
41 44
41 8
29 26
41 68
47 26
17 38
53 32
17 44
47 56
...

output:

8.0000000000
6
0 14 12
0 14 13
0 14 14
93 43 14
0 43 13
0 43 12

result:

ok correct

Test #45:

score: 0
Accepted
time: 59ms
memory: 69032kb

input:

99 6
26 90
33 41
47 74
59 98
23 86
47 98
71 92
71 74
47 92
35 44
47 62
47 44
35 50
41 80
29 92
59 50
23 44
65 38
35 68
35 62
29 68
41 98
59 68
71 38
53 44
65 74
65 98
65 80
23 92
53 38
59 56
47 50
71 44
41 92
29 50
41 44
23 80
71 56
23 56
29 86
71 68
23 98
65 56
35 80
41 56
65 44
47 68
59 44
29 80
3...

output:

10.0000000000
5
0 26 91
0 26 92
64 35 41
0 34 41
0 33 41

result:

ok correct

Test #46:

score: 0
Accepted
time: 50ms
memory: 69948kb

input:

100 6
51 50
86 14
53 66
83 60
77 18
53 24
47 12
65 24
77 24
41 36
47 66
41 60
35 18
47 42
77 30
83 36
59 12
47 36
77 36
71 42
71 66
65 12
59 24
65 66
59 42
47 48
65 18
71 12
47 60
35 12
83 12
53 36
83 66
89 60
41 42
77 42
71 30
71 48
83 48
35 48
59 36
53 12
41 24
47 30
65 48
83 54
89 12
89 54
89 48
...

output:

10.0000000000
5
0 52 50
0 53 50
40 86 12
0 86 13
0 86 14

result:

ok correct

Test #47:

score: 0
Accepted
time: 56ms
memory: 67680kb

input:

99 4
70 60
46 67
60 39
78 27
24 33
24 39
48 27
30 63
72 57
72 45
30 39
72 63
66 21
60 33
36 57
78 39
84 51
60 51
54 27
54 33
42 33
72 51
42 39
24 45
72 27
48 51
72 21
24 21
36 51
48 57
42 57
48 45
66 57
36 63
66 27
54 57
42 21
66 51
48 21
84 21
24 51
84 45
42 63
54 45
78 57
60 21
66 33
30 21
42 27
6...

output:

8.0000000000
5
0 71 60
0 72 60
53 46 69
0 46 68
0 46 67

result:

ok correct

Test #48:

score: 0
Accepted
time: 51ms
memory: 68956kb

input:

99 6
70 46
81 81
48 72
72 66
42 78
90 54
60 90
42 48
42 66
78 36
78 54
60 48
84 90
54 60
90 78
48 36
48 96
90 42
90 66
66 42
66 90
48 60
48 78
84 78
54 48
66 78
48 54
90 90
84 36
54 42
78 96
60 36
90 96
42 90
48 48
54 66
72 60
54 96
42 72
60 84
90 84
60 96
84 96
84 72
66 48
84 66
60 66
90 60
48 84
6...

output:

11.0000000000
6
0 70 47
0 70 48
79 84 81
0 83 81
0 82 81
0 81 81

result:

ok correct

Test #49:

score: 0
Accepted
time: 52ms
memory: 68956kb

input:

100 4
43 69
53 54
36 47
61 67
46 67
36 87
61 72
71 62
36 57
61 82
61 57
46 47
51 77
66 52
71 67
46 77
81 87
41 67
66 82
46 82
71 42
71 77
51 72
71 72
76 57
71 57
56 67
56 52
81 47
46 57
41 72
66 72
41 87
56 87
71 87
81 67
61 62
51 42
81 62
51 82
66 67
66 57
41 62
81 57
71 52
51 62
71 82
51 87
56 62
...

output:

8.0000000000
5
0 43 68
0 43 67
65 51 54
0 52 54
0 53 54

result:

ok correct

Test #50:

score: 0
Accepted
time: 54ms
memory: 68120kb

input:

100 6
42 80
48 85
55 67
50 72
75 62
85 82
80 57
40 57
70 52
55 82
80 77
45 92
80 47
70 57
60 57
75 87
45 57
65 72
75 52
70 92
40 92
65 87
45 87
65 92
55 92
60 92
65 47
60 52
50 87
50 57
70 77
40 82
45 52
85 67
70 62
85 77
65 82
70 47
75 72
60 77
55 77
55 57
65 67
65 62
80 67
80 82
75 77
55 72
50 67
...

output:

7.8102496759
1
0 48 85

result:

ok correct

Test #51:

score: 0
Accepted
time: 57ms
memory: 67440kb

input:

99 4
63 60
23 35
55 48
60 53
45 33
20 68
55 58
40 53
50 58
35 73
25 48
40 63
65 48
65 68
15 73
55 33
40 68
65 33
30 63
45 73
50 38
65 53
45 68
40 73
15 33
30 58
20 58
40 58
20 43
35 43
30 43
15 38
25 53
65 58
50 73
60 33
45 43
50 43
25 58
45 58
55 68
30 73
30 53
65 73
35 38
50 48
60 38
35 58
55 63
6...

output:

8.0000000000
5
0 64 60
0 65 60
16 23 33
0 23 34
0 23 35

result:

ok correct

Test #52:

score: 0
Accepted
time: 48ms
memory: 70020kb

input:

99 5
49 66
88 61
71 38
71 48
66 63
56 53
86 73
86 43
91 53
61 63
61 68
51 38
71 53
41 48
61 73
61 58
71 58
71 68
76 53
86 38
76 43
71 78
81 78
41 38
86 58
86 48
66 43
81 48
91 58
41 63
46 78
91 38
61 38
51 63
66 58
56 68
86 68
86 63
46 53
46 73
51 73
61 48
81 63
81 53
76 58
46 38
71 63
66 48
61 78
5...

output:

9.0000000000
5
0 49 67
0 49 68
35 86 61
0 87 61
0 88 61

result:

ok correct

Test #53:

score: 0
Accepted
time: 6ms
memory: 22268kb

input:

26 1
78 67
36 13
52 59
16 71
34 71
28 59
34 53
4 89
10 47
34 89
28 35
88 65
16 35
28 47
58 41
40 29
88 29
22 29
88 11
82 11
70 65
58 47
76 77
40 59
70 17
58 23
28 59
46 23

output:

6.0000000000
6
0 78 66
0 78 65
10 88 71
3 34 13
0 35 13
0 36 13

result:

ok correct

Test #54:

score: 0
Accepted
time: 17ms
memory: 37372kb

input:

47 11
32 35
64 5
84 20
72 74
96 56
78 38
42 8
60 44
54 26
60 56
66 68
96 50
18 56
30 8
48 98
48 68
54 86
36 20
12 92
60 38
18 2
78 86
48 38
66 80
84 86
30 26
24 74
42 20
66 2
42 50
36 50
24 74
36 44
42 20
84 50
42 56
96 86
84 26
36 56
30 68
12 92
18 80
84 20
12 38
24 62
96 62
96 38
30 74
96 32

output:

16.0000000000
6
0 31 35
0 30 35
12 64 8
0 64 7
0 64 6
0 64 5

result:

ok correct

Test #55:

score: 0
Accepted
time: 25ms
memory: 37316kb

input:

46 7
33 13
34 31
61 33
25 57
61 21
91 57
73 21
73 57
55 27
61 3
97 33
55 63
37 3
37 45
19 33
1 63
49 57
37 15
7 45
37 57
85 51
91 21
1 33
61 27
85 9
31 51
37 45
7 33
55 57
31 3
85 27
55 27
85 51
79 39
85 27
1 15
73 57
91 51
97 51
37 51
1 33
19 15
1 63
79 15
91 15
31 57
61 33
49 51

output:

12.0000000000
6
0 32 13
0 31 13
44 31 31
0 32 31
0 33 31
0 34 31

result:

ok correct

Test #56:

score: 0
Accepted
time: 25ms
memory: 43640kb

input:

57 4
28 51
34 51
19 67
67 73
1 25
13 73
55 37
37 25
25 37
25 43
1 7
31 25
37 55
67 67
25 1
37 7
19 31
7 55
1 7
19 19
61 25
1 19
67 25
37 37
13 67
61 73
43 25
1 37
37 49
49 19
1 31
61 37
43 19
1 55
61 43
49 67
31 37
67 19
61 43
13 67
1 43
19 73
55 25
49 1
43 37
7 67
49 7
1 31
37 25
7 37
25 61
7 73
67...

output:

6.0000000000
1
0 34 51

result:

ok correct

Test #57:

score: 0
Accepted
time: 11ms
memory: 20456kb

input:

23 7
57 5
68 29
48 8
78 62
72 56
12 38
18 44
72 68
12 74
0 74
48 68
78 32
66 56
42 74
84 32
6 68
30 38
78 62
84 2
6 68
90 14
42 62
78 38
54 74
90 62

output:

18.0000000000
12
0 58 5
0 59 5
0 60 5
0 61 5
0 62 5
0 63 5
0 64 5
0 65 5
0 66 5
11 66 29
0 67 29
0 68 29

result:

ok correct

Test #58:

score: 0
Accepted
time: 14ms
memory: 21160kb

input:

20 10
46 82
23 76
37 42
55 60
25 42
73 0
7 6
31 18
61 78
67 60
13 36
61 48
79 78
31 0
37 6
19 72
43 48
13 90
13 42
37 90
67 12
73 96

output:

16.0000000000
7
0 46 81
0 46 80
0 46 79
0 46 78
11 23 78
0 23 77
0 23 76

result:

ok correct

Test #59:

score: 0
Accepted
time: 25ms
memory: 34216kb

input:

44 5
62 78
8 60
28 64
82 52
28 88
82 70
52 58
94 52
40 64
46 28
58 70
70 34
94 52
22 82
28 58
16 64
88 40
16 34
88 16
88 82
4 88
22 64
70 16
88 16
10 58
28 28
4 70
34 58
10 76
82 88
52 88
40 58
40 64
16 22
58 22
76 46
10 58
10 82
34 88
64 16
34 28
70 70
10 64
52 76
52 40
28 22

output:

9.0000000000
5
0 62 77
0 62 76
27 10 60
0 9 60
0 8 60

result:

ok correct

Test #60:

score: 0
Accepted
time: 22ms
memory: 38820kb

input:

51 7
71 11
64 47
85 56
61 20
67 50
1 68
97 32
31 50
79 32
97 32
37 68
67 62
85 20
79 8
79 50
61 50
13 14
49 26
43 2
67 68
19 14
55 20
73 68
7 26
37 2
91 56
13 62
1 20
97 20
37 20
7 56
73 50
55 56
1 14
19 62
25 62
49 26
91 32
43 38
49 32
43 8
55 50
73 14
25 32
97 26
43 8
13 8
79 38
55 44
19 8
37 44
3...

output:

12.0000000000
6
0 72 11
0 73 11
30 64 50
0 64 49
0 64 48
0 64 47

result:

ok correct

Test #61:

score: 0
Accepted
time: 59ms
memory: 59796kb

input:

82 10
77 64
45 40
31 72
31 18
31 60
25 78
43 30
73 18
91 12
67 60
79 30
31 42
25 66
73 66
31 18
43 72
85 30
67 72
91 24
79 36
43 24
43 60
37 24
49 30
61 30
49 48
73 30
49 12
91 42
55 12
55 60
73 72
67 42
79 48
43 60
73 24
43 78
91 72
91 36
37 66
43 54
61 30
43 60
73 24
73 42
61 54
31 30
31 18
67 60
...

output:

16.0000000000
7
0 76 64
0 75 64
0 74 64
0 73 64
43 45 42
0 45 41
0 45 40

result:

ok correct

Test #62:

score: 0
Accepted
time: 35ms
memory: 46584kb

input:

65 5
48 25
18 80
46 53
61 58
31 53
16 78
26 98
6 83
11 33
16 63
41 33
31 78
21 63
11 88
21 68
36 23
11 23
6 98
46 88
46 58
46 43
41 13
46 98
11 68
31 53
46 43
36 48
21 78
41 53
41 88
21 68
46 48
41 28
56 13
41 28
41 83
51 68
31 58
56 38
6 78
6 73
36 98
51 98
16 63
46 28
26 78
31 58
41 48
6 78
56 43
...

output:

10.0000000000
6
0 47 25
0 46 25
59 18 83
0 18 82
0 18 81
0 18 80

result:

ok correct

Test #63:

score: 0
Accepted
time: 12ms
memory: 22944kb

input:

26 9
82 63
72 53
25 70
75 95
30 95
10 95
45 65
55 70
80 65
10 70
10 55
85 60
30 80
0 65
20 85
25 55
85 90
50 65
5 45
15 50
30 85
25 70
35 65
40 45
90 85
55 90
100 60
45 90

output:

14.1421356237
1
0 72 53

result:

ok correct

Test #64:

score: 0
Accepted
time: 14ms
memory: 26028kb

input:

33 2
41 34
16 39
53 72
3 12
43 17
8 32
8 32
43 12
53 12
8 52
8 37
28 62
3 52
38 27
8 82
8 67
28 32
18 37
18 87
53 32
33 22
13 52
38 17
53 17
8 72
23 82
53 37
3 37
48 22
53 22
23 27
53 62
48 72
23 52
3 72

output:

7.0000000000
6
0 41 35
0 41 36
0 41 37
26 16 37
0 16 38
0 16 39

result:

ok correct

Test #65:

score: 0
Accepted
time: 20ms
memory: 37056kb

input:

48 2
98 73
43 58
40 55
35 50
15 75
25 80
90 70
90 70
25 85
100 55
90 95
60 90
60 45
40 100
40 100
65 100
75 70
30 40
50 45
55 90
10 90
30 50
35 65
95 50
20 95
95 95
100 95
100 70
50 55
90 80
75 60
50 35
30 70
60 75
40 85
5 60
55 35
95 60
55 85
15 95
5 50
70 50
70 55
85 80
90 90
80 60
85 40
50 45
45 ...

output:

7.0000000000
6
0 99 73
0 100 73
8 43 55
0 43 56
0 43 57
0 43 58

result:

ok correct

Test #66:

score: 0
Accepted
time: 49ms
memory: 55616kb

input:

76 6
52 56
63 14
51 100
33 1
51 78
33 45
87 12
39 45
51 100
45 56
87 100
75 100
75 34
69 67
87 12
63 89
27 89
87 78
57 67
63 1
27 78
27 78
45 34
45 78
69 89
33 78
63 34
87 100
45 12
75 34
87 45
45 67
27 78
63 34
87 45
57 67
39 67
81 45
51 89
39 23
57 23
39 56
45 78
75 78
81 56
87 89
75 67
69 67
27 1...

output:

9.0000000000
4
0 51 56
53 63 12
0 63 13
0 63 14

result:

ok correct

Test #67:

score: 0
Accepted
time: 11ms
memory: 25948kb

input:

33 3
78 43
38 85
62 60
52 90
77 50
27 90
42 10
27 40
7 90
87 70
7 70
87 60
17 40
42 90
27 50
92 70
67 10
7 100
42 70
72 50
92 30
62 50
52 20
92 0
47 30
67 0
92 90
27 0
12 40
32 70
22 70
37 90
27 20
32 40
52 80

output:

8.0000000000
4
0 77 43
3 77 90
30 37 85
0 38 85

result:

ok correct

Test #68:

score: 0
Accepted
time: 32ms
memory: 44524kb

input:

61 1
53 51
12 85
6 35
26 75
56 50
41 70
21 100
21 40
56 35
41 65
16 60
26 80
41 60
11 10
16 90
51 85
56 100
31 25
36 60
21 95
16 75
6 25
31 80
36 25
21 30
41 30
16 10
26 75
51 40
31 40
6 95
46 15
31 90
16 95
6 20
56 85
11 30
41 20
51 20
36 90
46 65
51 55
16 100
41 15
51 95
41 55
46 60
56 45
31 80
41...

output:

3.0000000000
3
0 53 50
3 56 38
34 12 85

result:

ok correct

Test #69:

score: 0
Accepted
time: 24ms
memory: 41492kb

input:

52 2
60 49
68 53
63 62
48 57
48 57
98 77
48 92
78 67
48 82
93 57
68 92
48 77
93 57
68 52
93 72
48 82
48 77
58 82
53 82
53 87
98 62
48 52
78 87
63 82
63 77
88 82
53 82
48 42
88 92
48 47
58 82
73 52
53 47
93 52
63 62
63 87
73 82
58 67
78 42
78 87
63 82
83 92
98 67
83 77
73 42
48 82
83 57
73 62
93 52
8...

output:

5.0000000000
4
0 60 50
0 60 51
0 60 52
12 68 53

result:

ok correct

Test #70:

score: 0
Accepted
time: 30ms
memory: 38940kb

input:

52 5
46 47
28 45
50 54
50 40
34 33
34 47
98 61
58 40
98 75
90 68
82 47
98 75
66 26
98 96
18 26
26 82
18 40
50 26
82 47
26 19
74 96
58 68
10 96
74 96
18 75
18 82
10 47
90 68
90 19
18 75
42 61
50 54
74 96
26 47
98 89
74 82
74 26
58 96
42 47
34 33
90 33
50 75
10 54
34 75
74 47
34 54
10 96
90 75
74 26
7...

output:

7.0000000000
3
43 28 47
0 28 46
0 28 45

result:

ok correct

Test #71:

score: 0
Accepted
time: 9ms
memory: 35192kb

input:

43 1
11 79
35 61
1 5
100 95
28 80
10 80
37 50
28 90
37 20
82 25
10 10
100 0
82 20
19 90
82 30
55 90
1 15
91 5
10 30
10 15
64 80
82 100
46 75
100 50
82 0
91 80
55 90
1 40
1 95
28 75
46 50
91 10
46 70
10 20
28 15
91 10
28 65
1 100
37 15
37 40
73 100
46 55
73 90
91 40
28 25

output:

5.0000000000
5
0 10 79
32 99 20
7 37 61
0 36 61
0 35 61

result:

ok correct

Test #72:

score: 0
Accepted
time: 43ms
memory: 68988kb

input:

99 1
84 69
54 6
51 13
39 37
27 67
21 1
57 1
33 13
63 7
87 37
81 19
39 85
57 97
27 13
51 1
15 67
45 55
21 79
9 55
15 49
15 13
63 13
75 25
45 37
81 25
39 73
39 85
75 97
15 97
51 85
9 25
45 67
75 61
9 19
81 1
87 31
9 37
63 61
9 1
39 85
21 79
51 85
15 73
15 55
33 67
51 97
57 49
27 55
45 7
63 49
69 91
69...

output:

5.0000000000
5
0 84 68
0 84 67
30 45 0
47 54 7
0 54 6

result:

ok correct

Test #73:

score: 0
Accepted
time: 16ms
memory: 29084kb

input:

35 13
21 78
54 99
12 90
54 9
48 27
84 63
78 0
66 45
78 81
18 36
90 54
48 54
84 18
42 90
24 0
6 99
54 0
18 54
30 9
48 81
42 27
30 72
54 81
6 72
12 54
6 99
12 0
60 63
84 45
90 27
78 18
90 45
90 9
84 72
48 9
66 9
54 72

output:

16.0000000000
4
0 21 79
0 21 80
0 21 81
21 54 99

result:

ok correct

Test #74:

score: 0
Accepted
time: 53ms
memory: 55620kb

input:

77 7
45 40
55 20
78 6
36 6
12 31
60 11
54 26
18 46
6 6
18 41
48 21
12 36
60 46
84 21
78 51
48 31
84 31
66 21
54 6
78 16
6 16
6 16
18 51
60 36
66 16
0 51
84 6
78 6
12 51
78 11
84 21
42 36
66 41
12 41
48 11
12 31
72 41
6 26
6 46
78 51
0 16
66 11
66 16
0 21
18 11
90 21
48 41
48 41
90 26
24 31
36 31
84 ...

output:

11.0000000000
5
0 46 40
0 47 40
0 48 40
9 55 21
0 55 20

result:

ok correct

Test #75:

score: 0
Accepted
time: 80ms
memory: 66668kb

input:

97 4
92 86
84 90
96 76
32 36
40 16
40 16
32 56
48 46
64 76
96 86
80 46
56 56
72 46
48 56
24 66
80 46
88 66
40 26
56 6
24 96
56 96
56 6
48 26
32 66
88 6
56 36
48 46
56 76
72 86
72 26
88 66
16 46
80 26
32 96
80 56
64 66
72 96
48 86
72 86
96 6
80 46
72 16
40 76
88 66
16 56
48 46
80 26
40 86
40 6
56 76
...

output:

8.0000000000
5
76 88 90
0 87 90
0 86 90
0 85 90
0 84 90

result:

ok correct

Test #76:

score: 0
Accepted
time: 31ms
memory: 40144kb

input:

56 8
52 20
88 26
20 90
100 10
76 60
100 90
100 10
76 40
52 30
36 90
36 100
84 10
28 100
52 40
92 70
84 40
28 0
84 40
28 80
68 70
92 20
76 40
84 0
52 60
28 60
36 30
52 60
92 90
92 50
84 0
60 30
44 10
20 10
28 20
60 40
60 100
68 20
44 60
36 0
52 100
76 100
68 40
52 30
28 70
100 90
60 60
100 70
92 70
6...

output:

12.0000000000
5
41 88 30
0 88 29
0 88 28
0 88 27
0 88 26

result:

ok correct

Test #77:

score: 0
Accepted
time: 22ms
memory: 39352kb

input:

50 3
67 36
64 72
83 30
27 0
43 20
75 50
67 10
75 100
91 0
67 0
75 70
99 100
99 50
91 80
91 30
35 50
91 20
51 50
35 50
99 20
99 90
67 0
59 0
35 80
35 100
43 30
83 90
35 80
51 10
75 60
35 50
67 100
35 50
35 100
99 10
91 60
99 40
27 50
75 60
75 10
99 80
75 90
99 90
27 10
67 60
27 100
83 70
27 50
75 70
...

output:

6.0000000000
4
43 67 72
0 66 72
0 65 72
0 64 72

result:

ok correct

Test #78:

score: 0
Accepted
time: 69ms
memory: 63872kb

input:

88 14
50 11
42 99
33 11
99 27
88 99
88 75
99 11
33 75
88 67
88 51
22 27
55 35
88 27
11 99
66 99
22 27
33 91
22 43
77 67
88 43
77 59
33 67
11 91
77 43
77 51
0 19
22 51
66 75
44 43
55 51
99 27
88 51
0 19
88 99
88 91
44 83
11 99
44 27
22 27
88 67
0 35
22 43
11 67
22 11
99 99
88 43
88 83
77 11
55 67
99 ...

output:

19.0000000000
6
0 51 11
0 52 11
0 53 11
0 54 11
0 55 11
75 42 99

result:

ok correct

Test #79:

score: 0
Accepted
time: 7ms
memory: 20212kb

input:

24 6
56 16
21 38
1 13
78 3
92 73
92 58
22 3
92 68
22 53
71 83
15 68
43 73
43 68
71 68
92 58
85 28
1 48
99 43
57 13
15 43
8 28
99 68
85 73
1 18
57 48
43 28

output:

14.0000000000
4
0 57 16
23 57 53
7 22 38
0 21 38

result:

ok correct

Test #80:

score: 0
Accepted
time: 68ms
memory: 61784kb

input:

88 14
80 88
54 85
85 76
25 40
40 49
25 49
25 85
40 85
85 40
55 22
45 85
70 76
20 94
60 85
25 31
80 58
85 58
65 76
50 22
20 31
70 67
35 49
80 49
55 49
65 76
55 40
20 4
80 13
25 13
25 94
55 85
70 22
20 67
25 94
50 40
20 22
45 85
65 40
20 22
75 22
45 31
50 67
70 49
50 31
40 85
65 94
65 76
60 4
55 22
60...

output:

17.0000000000
4
0 80 87
0 80 86
0 80 85
83 54 85

result:

ok correct

Test #81:

score: 0
Accepted
time: 25ms
memory: 36600kb

input:

48 6
53 97
96 22
22 66
44 90
33 66
66 90
22 98
66 66
0 58
88 18
77 82
44 34
11 34
66 74
55 34
11 42
77 42
11 42
11 74
22 26
88 98
0 98
44 98
99 26
33 34
11 90
99 74
0 10
22 98
11 90
0 90
88 26
22 98
99 42
77 74
44 98
33 10
33 74
77 90
55 34
88 50
0 90
99 34
88 74
44 74
33 18
88 42
11 90
44 26
44 18

output:

15.0000000000
10
0 53 98
19 88 22
0 89 22
0 90 22
0 91 22
0 92 22
0 93 22
0 94 22
0 95 22
0 96 22

result:

ok correct

Test #82:

score: 0
Accepted
time: 48ms
memory: 57748kb

input:

80 13
79 37
85 63
52 10
79 37
7 64
61 82
43 73
61 46
16 46
70 37
43 46
61 19
97 19
97 1
79 10
70 10
79 46
97 55
25 55
61 82
88 10
34 46
97 73
16 64
70 73
70 28
79 46
34 37
25 46
25 46
34 46
97 73
7 19
97 19
43 64
7 28
34 10
25 28
52 1
79 37
34 73
79 46
7 64
88 55
34 28
79 55
97 1
7 10
25 64
88 82
7 ...

output:

19.0000000000
7
67 79 63
0 80 63
0 81 63
0 82 63
0 83 63
0 84 63
0 85 63

result:

ok correct

Test #83:

score: 0
Accepted
time: 34ms
memory: 44300kb

input:

60 5
7 62
91 49
78 48
12 62
1 90
100 27
12 55
1 76
56 69
1 34
56 97
34 27
12 48
23 41
78 76
56 27
67 34
12 90
56 55
78 48
56 83
78 76
1 27
78 34
12 69
89 97
67 55
67 62
23 83
89 34
23 69
23 90
45 27
56 27
100 48
67 41
67 55
12 48
23 76
78 69
78 27
78 90
23 41
1 55
89 48
78 48
56 76
67 69
78 76
1 48
...

output:

11.0000000000
3
26 67 48
57 91 48
0 91 49

result:

ok correct

Test #84:

score: 0
Accepted
time: 49ms
memory: 57720kb

input:

80 13
48 58
22 37
56 46
12 64
100 82
89 52
23 52
45 70
1 70
23 70
34 22
100 40
1 64
1 82
100 52
78 70
23 58
12 82
12 40
56 34
89 64
12 34
89 64
1 70
67 34
56 58
45 34
100 76
23 64
45 46
23 34
67 40
23 70
34 34
34 70
67 34
45 82
12 64
12 34
34 46
67 76
67 64
1 64
67 34
23 70
100 34
1 82
1 64
67 64
89...

output:

14.0000000000
2
15 23 37
0 22 37

result:

ok correct

Test #85:

score: 0
Accepted
time: 50ms
memory: 53504kb

input:

77 13
51 71
19 27
47 69
11 81
29 27
56 87
74 9
65 45
74 33
65 9
47 57
11 87
65 39
56 21
29 45
92 81
29 15
56 51
29 45
11 21
92 81
38 57
2 9
29 15
74 15
83 75
56 63
74 75
29 57
74 57
2 27
47 27
92 57
20 21
56 93
29 15
83 39
2 51
92 39
83 33
20 45
65 57
38 69
47 57
29 63
20 57
92 51
56 15
29 63
47 39
...

output:

17.0000000000
5
0 50 71
0 49 71
0 48 71
0 47 71
30 19 27

result:

ok correct

Test #86:

score: 0
Accepted
time: 78ms
memory: 70028kb

input:

100 1
0 0
100 100
50 50
50 50
50 50
50 50
50 50
50 50
50 50
50 50
50 50
50 50
50 50
50 50
50 50
50 50
50 50
50 50
50 50
50 50
50 50
50 50
50 50
50 50
50 50
50 50
50 50
50 50
50 50
50 50
50 50
50 50
50 50
50 50
50 50
50 50
50 50
50 50
50 50
50 50
50 50
50 50
50 50
50 50
50 50
50 50
50 50
50 50
50 50
...

output:

101.0000000000
101
0 0 1
0 0 2
0 0 3
0 0 4
0 0 5
0 0 6
0 0 7
0 0 8
0 0 9
0 0 10
0 0 11
0 0 12
0 0 13
0 0 14
0 0 15
0 0 16
0 0 17
0 0 18
0 0 19
0 0 20
0 0 21
0 0 22
0 0 23
0 0 24
0 0 25
0 0 26
0 0 27
0 0 28
0 0 29
0 0 30
0 0 31
0 0 32
0 0 33
0 0 34
0 0 35
0 0 36
0 0 37
0 0 38
0 0 39
0 0 40
0 0 41
0 0...

result:

ok correct

Test #87:

score: 0
Accepted
time: 74ms
memory: 70040kb

input:

99 1
0 100
100 0
52 67
67 45
44 67
47 67
34 67
67 42
40 33
67 47
67 35
33 61
61 67
38 33
61 33
33 60
33 38
33 61
67 34
67 38
48 33
33 38
41 33
44 33
67 36
33 51
54 67
63 33
67 66
54 67
67 57
41 33
67 64
67 67
67 35
33 67
67 64
52 33
41 67
41 33
56 67
33 49
65 67
56 33
33 67
67 34
67 63
45 67
33 42
3...

output:

67.0000000000
67
0 0 99
0 0 98
0 0 97
0 0 96
0 0 95
0 0 94
0 0 93
0 0 92
0 0 91
0 0 90
0 0 89
0 0 88
0 0 87
0 0 86
0 0 85
0 0 84
0 0 83
0 0 82
0 0 81
0 0 80
0 0 79
0 0 78
0 0 77
0 0 76
0 0 75
0 0 74
0 0 73
0 0 72
0 0 71
0 0 70
0 0 69
0 0 68
0 0 67
32 67 0
0 68 0
0 69 0
0 70 0
0 71 0
0 72 0
0 73 0
0 ...

result:

ok correct

Test #88:

score: 0
Accepted
time: 57ms
memory: 66992kb

input:

98 1
100 0
0 100
75 75
75 75
75 75
25 25
75 75
75 75
25 25
25 25
25 25
25 25
75 75
25 25
75 75
25 25
75 75
75 75
75 75
75 75
75 75
25 25
75 75
25 25
75 75
75 75
75 75
25 25
75 75
25 25
75 75
25 25
25 25
75 75
25 25
75 75
75 75
75 75
75 75
75 75
75 75
25 25
25 25
25 25
75 75
75 75
25 25
75 75
75 75
7...

output:

51.0000000000
51
0 99 0
0 98 0
0 97 0
0 96 0
0 95 0
0 94 0
0 93 0
0 92 0
0 91 0
0 90 0
0 89 0
0 88 0
0 87 0
0 86 0
0 85 0
0 84 0
0 83 0
0 82 0
0 81 0
0 80 0
0 79 0
0 78 0
0 77 0
0 76 0
0 75 0
95 0 75
0 0 76
0 0 77
0 0 78
0 0 79
0 0 80
0 0 81
0 0 82
0 0 83
0 0 84
0 0 85
0 0 86
0 0 87
0 0 88
0 0 89
0 ...

result:

ok correct

Test #89:

score: 0
Accepted
time: 65ms
memory: 67240kb

input:

98 0
2 58
64 0
82 9
28 67
12 49
36 9
11 88
85 67
50 67
82 9
73 91
26 67
36 67
73 75
100 67
55 78
55 77
98 67
91 9
55 69
55 12
30 67
91 9
46 9
98 49
55 15
11 92
73 100
22 9
11 48
73 91
73 19
55 83
73 98
55 33
55 73
55 29
97 49
22 9
73 46
34 9
55 75
29 67
17 9
36 67
74 49
11 28
11 88
55 44
16 67
40 9
...

output:

18.0000000000
20
0 2 59
0 2 60
0 2 61
0 2 62
0 2 63
0 2 64
0 2 65
0 2 66
0 2 67
2 28 77
15 55 0
0 56 0
0 57 0
0 58 0
0 59 0
0 60 0
0 61 0
0 62 0
0 63 0
0 64 0

result:

ok correct

Test #90:

score: 0
Accepted
time: 61ms
memory: 67808kb

input:

99 2
71 70
73 36
26 11
46 4
43 95
4 11
43 95
8 11
36 11
21 11
22 95
46 9
15 11
99 11
14 11
3 95
9 11
34 95
45 11
27 95
46 97
12 95
5 11
4 11
26 95
24 11
99 95
7 11
2 11
7 11
14 11
98 97
99 11
46 5
100 95
32 95
21 95
16 11
0 11
40 95
98 98
29 11
46 4
32 11
46 4
28 95
12 11
8 95
32 11
7 95
46 96
98 10...

output:

34.0587727319
1
0 73 36

result:

ok correct

Test #91:

score: 0
Accepted
time: 62ms
memory: 68068kb

input:

98 1
76 59
0 5
99 91
46 36
53 32
99 92
99 99
53 99
100 36
35 36
48 36
53 94
53 90
23 86
25 28
23 32
25 36
33 82
99 91
99 84
36 82
23 97
53 82
99 95
50 36
51 36
99 86
46 82
23 99
23 94
99 90
23 95
23 99
49 28
99 85
23 33
53 30
26 28
53 36
53 100
53 29
23 32
36 36
44 82
29 82
24 82
53 87
99 92
53 91
2...

output:

48.0000000000
48
0 76 58
0 76 57
0 76 56
0 76 55
0 76 54
0 76 53
0 76 52
0 76 51
0 76 50
0 76 49
0 76 48
0 76 47
0 76 46
0 76 45
0 76 44
0 76 43
0 76 42
0 76 41
0 76 40
0 76 39
0 76 38
0 76 37
0 76 36
7 100 28
81 0 28
0 0 27
0 0 26
0 0 25
0 0 24
0 0 23
0 0 22
0 0 21
0 0 20
0 0 19
0 0 18
0 0 17
0 0 1...

result:

ok correct

Test #92:

score: 0
Accepted
time: 58ms
memory: 70088kb

input:

100 0
79 35
73 89
7 71
97 66
6 53
25 71
55 56
19 71
21 53
44 17
32 17
97 7
33 71
55 0
97 10
28 53
29 17
2 53
17 53
31 53
97 59
22 71
4 53
55 15
31 17
39 53
7 17
97 64
97 62
24 71
98 17
51 71
1 53
97 5
98 17
55 64
30 71
98 53
49 53
47 53
51 53
52 17
0 17
49 53
4 17
55 53
97 58
6 17
26 71
97 58
6 17
5...

output:

36.0000000000
38
0 79 34
0 79 33
0 79 32
0 79 31
0 79 30
0 79 29
0 79 28
0 79 27
0 79 26
0 79 25
0 79 24
0 79 23
0 79 22
0 79 21
0 79 20
0 79 19
0 79 18
0 79 17
97 15 17
81 73 71
0 73 72
0 73 73
0 73 74
0 73 75
0 73 76
0 73 77
0 73 78
0 73 79
0 73 80
0 73 81
0 73 82
0 73 83
0 73 84
0 73 85
0 73 86
0...

result:

ok correct

Test #93:

score: 0
Accepted
time: 68ms
memory: 70388kb

input:

100 1
98 57
91 91
84 96
44 52
19 86
28 52
74 62
17 96
41 52
84 62
7 52
86 98
29 52
56 86
13 62
5 52
86 47
86 33
7 62
55 62
39 86
85 96
73 96
47 52
1 86
8 52
58 52
62 96
86 18
63 96
81 52
63 62
67 86
7 52
67 86
28 52
86 40
36 96
86 47
67 62
51 52
51 86
37 96
50 86
4 62
77 52
86 24
86 82
37 62
41 52
8...

output:

12.0000000000
12
0 98 56
0 98 55
0 98 54
0 98 53
0 98 52
97 46 43
51 86 91
0 87 91
0 88 91
0 89 91
0 90 91
0 91 91

result:

ok correct

Test #94:

score: 0
Accepted
time: 65ms
memory: 70140kb

input:

98 0
16 34
36 43
15 27
35 39
20 35
35 85
17 53
35 38
15 38
75 42
35 42
15 73
37 2
83 35
35 41
15 98
15 47
1 44
17 78
12 44
37 33
15 17
15 13
37 16
19 44
35 54
86 33
35 84
31 44
14 42
15 84
15 90
37 42
35 0
35 40
39 42
51 42
98 33
37 68
11 42
37 61
81 35
21 42
15 65
18 33
37 5
98 35
79 44
9 42
17 22
...

output:

2.0000000000
4
0 15 34
98 39 9
34 36 42
0 36 43

result:

ok correct

Test #95:

score: 0
Accepted
time: 62ms
memory: 68164kb

input:

98 1
38 0
23 81
37 64
37 20
86 1
24 76
70 80
88 80
39 73
58 82
39 31
55 80
24 5
52 82
59 82
39 73
5 82
0 80
67 82
32 82
39 35
68 82
99 82
39 23
39 92
24 22
42 1
22 22
0 82
37 79
24 8
24 53
79 1
77 82
72 80
37 66
39 58
24 13
26 82
22 77
4 80
91 80
37 24
39 33
37 48
73 80
24 92
39 48
22 84
92 80
16 1
...

output:

4.0000000000
4
0 39 0
14 47 73
73 23 82
0 23 81

result:

ok correct

Test #96:

score: 0
Accepted
time: 58ms
memory: 69860kb

input:

100 0
5 68
28 7
79 46
100 90
50 31
57 29
50 38
92 90
95 29
63 29
50 29
64 90
77 46
78 46
92 46
77 90
80 46
70 29
73 29
78 46
71 90
94 29
50 31
50 40
76 29
50 96
95 29
50 99
54 29
70 90
63 29
70 90
66 46
88 90
100 29
96 90
79 29
50 29
78 29
94 29
97 90
62 90
92 29
56 29
55 29
96 46
67 90
97 90
50 43
...

output:

44.0000000000
46
0 5 67
0 5 66
0 5 65
0 5 64
0 5 63
0 5 62
0 5 61
0 5 60
0 5 59
0 5 58
0 5 57
0 5 56
0 5 55
0 5 54
0 5 53
0 5 52
0 5 51
0 5 50
0 5 49
0 5 48
0 5 47
0 5 46
1 79 15
35 28 29
0 28 28
0 28 27
0 28 26
0 28 25
0 28 24
0 28 23
0 28 22
0 28 21
0 28 20
0 28 19
0 28 18
0 28 17
0 28 16
0 28 15
...

result:

ok correct

Test #97:

score: 0
Accepted
time: 64ms
memory: 69336kb

input:

99 1
17 34
99 23
5 90
83 46
29 68
68 11
87 74
87 98
29 76
55 11
5 75
87 5
87 56
29 11
5 90
5 83
84 11
29 88
50 46
5 72
68 46
87 92
87 96
29 2
5 48
64 46
29 6
29 10
87 70
47 46
87 60
5 99
47 46
29 77
29 60
36 46
87 9
47 46
56 46
87 58
5 91
82 11
5 74
31 11
29 75
29 69
87 78
5 83
84 46
29 57
29 76
56 ...

output:

25.0000000000
25
0 18 34
0 19 34
0 20 34
0 21 34
0 22 34
0 23 34
0 24 34
0 25 34
0 26 34
0 27 34
0 28 34
0 29 34
12 99 11
0 99 12
0 99 13
0 99 14
0 99 15
0 99 16
0 99 17
0 99 18
0 99 19
0 99 20
0 99 21
0 99 22
0 99 23

result:

ok correct

Test #98:

score: 0
Accepted
time: 71ms
memory: 70116kb

input:

98 1
43 82
95 95
71 31
71 49
71 48
71 56
19 28
19 23
19 21
71 30
71 30
19 39
67 47
71 34
19 38
19 23
19 0
71 13
19 18
71 10
71 20
67 9
71 12
19 40
71 3
19 5
19 50
71 10
19 12
19 58
19 49
15 58
19 49
67 0
71 2
19 31
19 9
71 45
67 55
14 58
67 10
67 33
71 52
19 33
67 32
17 58
19 56
67 13
19 41
19 6
67 ...

output:

50.0000000000
50
0 44 82
0 45 82
0 46 82
0 47 82
0 48 82
0 49 82
0 50 82
0 51 82
0 52 82
0 53 82
0 54 82
0 55 82
0 56 82
0 57 82
0 58 82
0 59 82
0 60 82
0 61 82
0 62 82
0 63 82
0 64 82
0 65 82
0 66 82
0 67 82
98 67 20
52 71 95
0 72 95
0 73 95
0 74 95
0 75 95
0 76 95
0 77 95
0 78 95
0 79 95
0 80 95
0...

result:

ok correct

Test #99:

score: 0
Accepted
time: 61ms
memory: 69384kb

input:

100 0
39 26
86 27
8 52
4 52
8 1
2 52
10 52
0 1
14 86
5 1
10 52
14 80
14 66
14 86
14 87
7 52
11 1
14 66
14 73
10 1
9 1
14 53
14 75
2 52
8 1
14 84
14 76
14 53
11 52
10 52
14 56
14 64
0 1
14 82
14 76
14 56
14 66
14 53
14 73
14 1
8 52
14 73
14 53
14 96
14 90
14 89
8 1
3 1
0 1
6 52
3 52
14 84
6 52
3 1
1 ...

output:

47.0106370942
1
0 86 27

result:

ok correct

Test #100:

score: 0
Accepted
time: 76ms
memory: 67844kb

input:

98 1
91 54
51 42
52 3
41 43
92 51
52 62
50 19
84 43
92 88
52 97
45 41
69 41
18 55
50 58
92 94
90 34
52 92
59 53
50 67
92 27
90 15
78 43
18 41
54 41
92 30
24 41
52 6
52 72
64 53
53 55
92 69
85 53
50 6
30 43
52 44
12 43
50 7
40 55
90 44
50 75
25 41
54 43
52 29
90 35
92 61
55 55
78 43
28 41
34 41
52 20...

output:

4.0000000000
4
0 91 55
91 30 65
32 51 43
0 51 42

result:

ok correct

Test #101:

score: 0
Accepted
time: 72ms
memory: 67784kb

input:

98 1
41 69
93 22
70 46
70 92
18 45
18 45
70 92
64 45
18 45
70 46
64 45
64 45
70 46
18 45
64 45
18 45
70 92
70 92
64 45
70 46
18 45
70 92
64 45
70 46
64 45
70 46
18 45
64 45
70 46
18 45
18 45
18 45
70 92
70 92
70 46
18 45
18 45
64 45
18 45
18 45
70 92
70 92
70 92
70 46
70 46
70 92
70 92
18 45
70 92
6...

output:

47.0000000000
47
0 42 69
0 43 69
0 44 69
0 45 69
0 46 69
0 47 69
0 48 69
0 49 69
0 50 69
0 51 69
0 52 69
0 53 69
0 54 69
0 55 69
0 56 69
0 57 69
0 58 69
0 59 69
0 60 69
0 61 69
0 62 69
0 63 69
0 64 69
97 93 45
0 93 44
0 93 43
0 93 42
0 93 41
0 93 40
0 93 39
0 93 38
0 93 37
0 93 36
0 93 35
0 93 34
0 ...

result:

ok correct

Test #102:

score: 0
Accepted
time: 64ms
memory: 69928kb

input:

99 0
78 31
44 80
66 92
32 19
90 92
90 68
56 43
66 92
66 68
32 19
66 92
66 68
66 92
32 19
66 92
56 43
32 19
66 92
90 68
56 19
66 68
56 43
32 43
66 92
32 43
56 19
66 68
90 68
90 68
32 43
32 43
90 92
56 19
56 43
56 43
66 92
66 92
32 43
90 92
90 92
66 68
56 43
90 92
90 68
90 92
66 68
32 43
32 19
32 19
6...

output:

24.0000000000
25
0 79 31
0 80 31
0 81 31
0 82 31
0 83 31
0 84 31
0 85 31
0 86 31
0 87 31
0 88 31
0 89 31
0 90 31
98 44 92
0 44 91
0 44 90
0 44 89
0 44 88
0 44 87
0 44 86
0 44 85
0 44 84
0 44 83
0 44 82
0 44 81
0 44 80

result:

ok correct

Test #103:

score: 0
Accepted
time: 63ms
memory: 67748kb

input:

99 2
2 25
48 54
13 43
13 43
37 36
59 36
37 14
13 43
13 65
59 14
37 14
13 65
59 36
37 14
59 14
37 36
37 36
59 36
37 36
13 43
59 36
59 14
37 36
59 36
37 36
37 36
59 14
13 65
13 65
59 14
13 43
13 43
13 43
13 43
13 43
13 43
59 36
37 14
37 36
13 65
59 36
37 36
37 14
13 43
37 14
59 14
13 65
37 36
37 14
59...

output:

24.0000000000
23
0 2 24
0 2 23
0 2 22
0 2 21
0 2 20
0 2 19
0 2 18
0 2 17
0 2 16
0 2 15
0 2 14
88 37 54
0 38 54
0 39 54
0 40 54
0 41 54
0 42 54
0 43 54
0 44 54
0 45 54
0 46 54
0 47 54
0 48 54

result:

ok correct

Test #104:

score: 0
Accepted
time: 57ms
memory: 70200kb

input:

99 1
17 61
74 19
38 40
49 40
100 40
41 40
99 40
50 40
100 40
50 40
42 40
53 82
46 40
52 40
98 40
53 40
45 40
47 40
42 40
45 40
42 40
41 40
40 40
97 40
53 40
51 40
53 40
95 40
48 40
99 40
43 40
53 40
100 40
49 40
53 82
100 40
43 40
44 40
53 82
49 40
47 40
42 40
48 40
100 40
95 82
48 40
39 40
100 40
4...

output:

43.0000000000
43
0 17 62
0 17 63
0 17 64
0 17 65
0 17 66
0 17 67
0 17 68
0 17 69
0 17 70
0 17 71
0 17 72
0 17 73
0 17 74
0 17 75
0 17 76
0 17 77
0 17 78
0 17 79
0 17 80
0 17 81
0 17 82
78 53 19
0 54 19
0 55 19
0 56 19
0 57 19
0 58 19
0 59 19
0 60 19
0 61 19
0 62 19
0 63 19
0 64 19
0 65 19
0 66 19
0 ...

result:

ok correct

Test #105:

score: 0
Accepted
time: 67ms
memory: 67256kb

input:

98 1
34 13
98 84
25 75
43 75
89 22
43 75
25 93
25 93
89 4
25 93
25 93
25 93
89 22
43 93
43 93
43 93
43 75
89 22
25 75
89 4
89 22
89 22
25 75
43 75
25 75
89 22
43 93
25 93
89 22
89 4
25 93
25 93
43 75
25 75
43 93
25 93
25 93
43 93
43 93
25 75
89 22
89 4
25 93
25 75
89 22
43 75
89 22
89 4
89 22
43 93
...

output:

19.0000000000
19
0 33 13
0 32 13
0 31 13
0 30 13
0 29 13
0 28 13
0 27 13
0 26 13
0 25 13
96 98 75
0 98 76
0 98 77
0 98 78
0 98 79
0 98 80
0 98 81
0 98 82
0 98 83
0 98 84

result:

ok correct

Test #106:

score: 0
Accepted
time: 80ms
memory: 70268kb

input:

98 0
51 17
1 81
69 63
33 99
33 99
19 35
19 35
33 99
33 63
69 63
33 99
33 99
69 63
33 63
19 35
33 99
69 99
69 63
69 99
33 99
19 35
19 35
19 35
33 63
69 63
33 99
33 63
33 63
33 99
69 99
19 35
69 99
33 99
33 63
19 35
33 63
19 35
33 63
33 99
33 63
69 63
33 63
33 99
69 63
33 99
69 63
19 35
69 63
69 99
33...

output:

36.0000000000
38
0 51 18
0 51 19
0 51 20
0 51 21
0 51 22
0 51 23
0 51 24
0 51 25
0 51 26
0 51 27
0 51 28
0 51 29
0 51 30
0 51 31
0 51 32
0 51 33
0 51 34
0 51 35
92 33 35
98 1 63
0 1 64
0 1 65
0 1 66
0 1 67
0 1 68
0 1 69
0 1 70
0 1 71
0 1 72
0 1 73
0 1 74
0 1 75
0 1 76
0 1 77
0 1 78
0 1 79
0 1 80
0 1...

result:

ok correct

Test #107:

score: 0
Accepted
time: 64ms
memory: 69988kb

input:

98 2
14 72
97 35
83 86
0 21
28 49
28 49
83 86
83 86
0 49
28 21
83 58
28 49
28 21
0 21
0 21
83 58
0 21
0 49
28 49
28 49
0 21
0 21
28 49
83 58
0 21
28 49
0 21
28 49
28 49
83 86
83 86
28 21
83 86
83 58
83 58
83 86
83 86
83 58
28 49
28 21
28 21
0 49
83 58
0 49
28 49
28 21
83 86
83 58
83 58
0 21
28 21
0 ...

output:

30.0000000000
29
0 14 73
0 14 74
0 14 75
0 14 76
0 14 77
0 14 78
0 14 79
0 14 80
0 14 81
0 14 82
0 14 83
0 14 84
0 14 85
0 14 86
92 83 35
0 84 35
0 85 35
0 86 35
0 87 35
0 88 35
0 89 35
0 90 35
0 91 35
0 92 35
0 93 35
0 94 35
0 95 35
0 96 35
0 97 35

result:

ok correct

Test #108:

score: 0
Accepted
time: 66ms
memory: 69972kb

input:

98 1
76 69
27 9
55 30
48 48
6 90
48 48
97 30
6 90
6 90
97 30
48 90
6 48
48 90
97 30
6 48
6 90
48 48
6 48
6 90
48 90
97 30
6 48
55 30
48 90
97 30
48 48
6 90
6 90
97 30
48 48
97 30
97 30
55 30
48 90
48 48
48 48
97 30
48 90
48 48
6 48
6 90
48 48
97 30
6 48
6 90
6 48
55 30
48 48
97 30
55 30
97 30
48 48
...

output:

43.0000000000
43
0 75 69
0 74 69
0 73 69
0 72 69
0 71 69
0 70 69
0 69 69
0 68 69
0 67 69
0 66 69
0 65 69
0 64 69
0 63 69
0 62 69
0 61 69
0 60 69
0 59 69
0 58 69
0 57 69
0 56 69
0 55 69
87 27 30
0 27 29
0 27 28
0 27 27
0 27 26
0 27 25
0 27 24
0 27 23
0 27 22
0 27 21
0 27 20
0 27 19
0 27 18
0 27 17
0 ...

result:

ok correct

Test #109:

score: 0
Accepted
time: 88ms
memory: 68000kb

input:

100 2
2 68
84 55
81 57
25 33
38 92
3 31
13 82
26 71
15 41
64 46
49 86
31 22
17 68
4 87
45 47
12 28
55 90
81 27
40 47
86 8
69 10
31 46
99 67
44 76
99 72
68 96
86 48
9 33
12 91
0 34
74 6
43 59
14 34
32 62
12 17
80 49
93 100
98 47
70 50
26 13
85 38
95 76
63 53
89 14
82 83
28 14
7 40
21 97
29 81
75 52
8...

output:

5.0000000000
3
95 2 85
100 83 55
0 84 55

result:

ok correct

Extra Test:

score: 0
Extra Test Passed