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Submission #304575

# Submission time Handle Problem Language Result Execution time Memory
304575 2020-09-21T14:19:14 Z peti1234 Connecting Supertrees (IOI20_supertrees) C++17
100 / 100
 270 ms 26360 KB 
#include <bits/stdc++.h>
#include "supertrees.h"
using namespace std;
const int c=1002;
bool v[c], p;
int n, cnt, ki[c], id[c], si;
vector<vector<int> >sz, sol;
vector<int> kor;
void el(int a, int b) {
    sol[a][b]=1, sol[b][a]=1;
}
void dfs(int a) {
    kor.push_back(a);
    ki[a]=a, v[a]=1, id[a]=cnt;
    for (int i=0; i<n; i++) if (!v[i] && sz[a][i]==1) v[i]=1, ki[i]=a, id[i]=cnt, el(a, i);
    for (int i=0; i<n; i++) if (!v[i] && sz[a][i]==2) dfs(i);
}
int construct(vector<vector<int> > x) {
    n=x.size(), sz=x;
    sol.resize(n);
    for (int i=0; i<n; i++) for (int j=0; j<n; j++) sol[i].push_back(0);
    for (int i=0; i<n; i++) {
        if (!v[i]) dfs(i), cnt++;
        si=kor.size();
        if (si>1) {
            if (si==2) p=1;
            for (int i=1; i<si; i++) el(kor[i-1], kor[i]);
            el(kor[0], kor[si-1]);
        }
        kor.clear();
    }
    for (int i=0; i<n; i++) for (int j=0; j<n; j++) {
        if (ki[i]==ki[j] && sz[i][j]!=1) p=1;
        if (id[i]==id[j] && ki[i]!=ki[j] && sz[i][j]!=2) p=1;
        if (id[i]!=id[j]&& sz[i][j]) p=1;
    }
    if (p) return 0;
    else build(sol);
    return 1;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 11 ms 1408 KB Output is correct
7 Correct 258 ms 26104 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 11 ms 1408 KB Output is correct
7 Correct 258 ms 26104 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 11 ms 1408 KB Output is correct
13 Correct 251 ms 26104 KB Output is correct
14 Correct 0 ms 256 KB Output is correct
15 Correct 0 ms 256 KB Output is correct
16 Correct 6 ms 1024 KB Output is correct
17 Correct 126 ms 16216 KB Output is correct
18 Correct 1 ms 256 KB Output is correct
19 Correct 0 ms 384 KB Output is correct
20 Correct 73 ms 6904 KB Output is correct
21 Correct 253 ms 26232 KB Output is correct
22 Correct 250 ms 26104 KB Output is correct
23 Correct 260 ms 26232 KB Output is correct
24 Correct 261 ms 26232 KB Output is correct
25 Correct 114 ms 16220 KB Output is correct
26 Correct 115 ms 16248 KB Output is correct
27 Correct 269 ms 26108 KB Output is correct
28 Correct 251 ms 26192 KB Output is correct

Subtask #3
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 11 ms 1408 KB Output is correct
9 Correct 250 ms 26236 KB Output is correct
10 Correct 1 ms 256 KB Output is correct
11 Correct 0 ms 256 KB Output is correct
12 Correct 11 ms 1408 KB Output is correct
13 Correct 262 ms 26196 KB Output is correct
14 Correct 1 ms 256 KB Output is correct
15 Correct 0 ms 256 KB Output is correct
16 Correct 6 ms 1024 KB Output is correct
17 Correct 125 ms 16248 KB Output is correct
18 Correct 1 ms 256 KB Output is correct
19 Correct 0 ms 256 KB Output is correct
20 Correct 0 ms 256 KB Output is correct
21 Correct 65 ms 6776 KB Output is correct
22 Correct 254 ms 26104 KB Output is correct
23 Correct 254 ms 26200 KB Output is correct
24 Correct 270 ms 26360 KB Output is correct
25 Correct 113 ms 16248 KB Output is correct
26 Correct 119 ms 16248 KB Output is correct
27 Correct 259 ms 26232 KB Output is correct
28 Correct 263 ms 26232 KB Output is correct
29 Correct 112 ms 16248 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 67 ms 6776 KB Output is correct
5 Correct 250 ms 26104 KB Output is correct
6 Correct 250 ms 26104 KB Output is correct
7 Correct 264 ms 26232 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 65 ms 6904 KB Output is correct
10 Correct 267 ms 26200 KB Output is correct
11 Correct 254 ms 26232 KB Output is correct
12 Correct 263 ms 26360 KB Output is correct
13 Correct 0 ms 256 KB Output is correct
14 Correct 0 ms 256 KB Output is correct
15 Correct 0 ms 384 KB Output is correct
16 Correct 64 ms 6776 KB Output is correct
17 Correct 261 ms 26232 KB Output is correct
18 Correct 260 ms 26236 KB Output is correct
19 Correct 260 ms 26232 KB Output is correct
20 Correct 252 ms 26232 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 11 ms 1408 KB Output is correct
7 Correct 258 ms 26104 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 11 ms 1408 KB Output is correct
13 Correct 251 ms 26104 KB Output is correct
14 Correct 0 ms 256 KB Output is correct
15 Correct 0 ms 256 KB Output is correct
16 Correct 6 ms 1024 KB Output is correct
17 Correct 126 ms 16216 KB Output is correct
18 Correct 1 ms 256 KB Output is correct
19 Correct 0 ms 384 KB Output is correct
20 Correct 73 ms 6904 KB Output is correct
21 Correct 253 ms 26232 KB Output is correct
22 Correct 250 ms 26104 KB Output is correct
23 Correct 260 ms 26232 KB Output is correct
24 Correct 261 ms 26232 KB Output is correct
25 Correct 114 ms 16220 KB Output is correct
26 Correct 115 ms 16248 KB Output is correct
27 Correct 269 ms 26108 KB Output is correct
28 Correct 251 ms 26192 KB Output is correct
29 Correct 0 ms 256 KB Output is correct
30 Correct 0 ms 256 KB Output is correct
31 Correct 1 ms 256 KB Output is correct
32 Correct 1 ms 256 KB Output is correct
33 Correct 1 ms 256 KB Output is correct
34 Correct 1 ms 384 KB Output is correct
35 Correct 1 ms 384 KB Output is correct
36 Correct 11 ms 1408 KB Output is correct
37 Correct 250 ms 26236 KB Output is correct
38 Correct 1 ms 256 KB Output is correct
39 Correct 0 ms 256 KB Output is correct
40 Correct 11 ms 1408 KB Output is correct
41 Correct 262 ms 26196 KB Output is correct
42 Correct 1 ms 256 KB Output is correct
43 Correct 0 ms 256 KB Output is correct
44 Correct 6 ms 1024 KB Output is correct
45 Correct 125 ms 16248 KB Output is correct
46 Correct 1 ms 256 KB Output is correct
47 Correct 0 ms 256 KB Output is correct
48 Correct 0 ms 256 KB Output is correct
49 Correct 65 ms 6776 KB Output is correct
50 Correct 254 ms 26104 KB Output is correct
51 Correct 254 ms 26200 KB Output is correct
52 Correct 270 ms 26360 KB Output is correct
53 Correct 113 ms 16248 KB Output is correct
54 Correct 119 ms 16248 KB Output is correct
55 Correct 259 ms 26232 KB Output is correct
56 Correct 263 ms 26232 KB Output is correct
57 Correct 112 ms 16248 KB Output is correct
58 Correct 1 ms 256 KB Output is correct
59 Correct 0 ms 256 KB Output is correct
60 Correct 6 ms 1024 KB Output is correct
61 Correct 124 ms 16248 KB Output is correct
62 Correct 1 ms 256 KB Output is correct
63 Correct 0 ms 384 KB Output is correct
64 Correct 1 ms 256 KB Output is correct
65 Correct 64 ms 6776 KB Output is correct
66 Correct 119 ms 16340 KB Output is correct
67 Correct 117 ms 16248 KB Output is correct
68 Correct 117 ms 16216 KB Output is correct
69 Correct 123 ms 16220 KB Output is correct

Subtask #6
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 11 ms 1408 KB Output is correct
7 Correct 258 ms 26104 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 11 ms 1408 KB Output is correct
13 Correct 251 ms 26104 KB Output is correct
14 Correct 0 ms 256 KB Output is correct
15 Correct 0 ms 256 KB Output is correct
16 Correct 6 ms 1024 KB Output is correct
17 Correct 126 ms 16216 KB Output is correct
18 Correct 1 ms 256 KB Output is correct
19 Correct 0 ms 384 KB Output is correct
20 Correct 73 ms 6904 KB Output is correct
21 Correct 253 ms 26232 KB Output is correct
22 Correct 250 ms 26104 KB Output is correct
23 Correct 260 ms 26232 KB Output is correct
24 Correct 261 ms 26232 KB Output is correct
25 Correct 114 ms 16220 KB Output is correct
26 Correct 115 ms 16248 KB Output is correct
27 Correct 269 ms 26108 KB Output is correct
28 Correct 251 ms 26192 KB Output is correct
29 Correct 0 ms 256 KB Output is correct
30 Correct 0 ms 256 KB Output is correct
31 Correct 1 ms 256 KB Output is correct
32 Correct 1 ms 256 KB Output is correct
33 Correct 1 ms 256 KB Output is correct
34 Correct 1 ms 384 KB Output is correct
35 Correct 1 ms 384 KB Output is correct
36 Correct 11 ms 1408 KB Output is correct
37 Correct 250 ms 26236 KB Output is correct
38 Correct 1 ms 256 KB Output is correct
39 Correct 0 ms 256 KB Output is correct
40 Correct 11 ms 1408 KB Output is correct
41 Correct 262 ms 26196 KB Output is correct
42 Correct 1 ms 256 KB Output is correct
43 Correct 0 ms 256 KB Output is correct
44 Correct 6 ms 1024 KB Output is correct
45 Correct 125 ms 16248 KB Output is correct
46 Correct 1 ms 256 KB Output is correct
47 Correct 0 ms 256 KB Output is correct
48 Correct 0 ms 256 KB Output is correct
49 Correct 65 ms 6776 KB Output is correct
50 Correct 254 ms 26104 KB Output is correct
51 Correct 254 ms 26200 KB Output is correct
52 Correct 270 ms 26360 KB Output is correct
53 Correct 113 ms 16248 KB Output is correct
54 Correct 119 ms 16248 KB Output is correct
55 Correct 259 ms 26232 KB Output is correct
56 Correct 263 ms 26232 KB Output is correct
57 Correct 112 ms 16248 KB Output is correct
58 Correct 0 ms 256 KB Output is correct
59 Correct 0 ms 256 KB Output is correct
60 Correct 1 ms 256 KB Output is correct
61 Correct 67 ms 6776 KB Output is correct
62 Correct 250 ms 26104 KB Output is correct
63 Correct 250 ms 26104 KB Output is correct
64 Correct 264 ms 26232 KB Output is correct
65 Correct 1 ms 384 KB Output is correct
66 Correct 65 ms 6904 KB Output is correct
67 Correct 267 ms 26200 KB Output is correct
68 Correct 254 ms 26232 KB Output is correct
69 Correct 263 ms 26360 KB Output is correct
70 Correct 0 ms 256 KB Output is correct
71 Correct 0 ms 256 KB Output is correct
72 Correct 0 ms 384 KB Output is correct
73 Correct 64 ms 6776 KB Output is correct
74 Correct 261 ms 26232 KB Output is correct
75 Correct 260 ms 26236 KB Output is correct
76 Correct 260 ms 26232 KB Output is correct
77 Correct 252 ms 26232 KB Output is correct
78 Correct 1 ms 256 KB Output is correct
79 Correct 0 ms 256 KB Output is correct
80 Correct 6 ms 1024 KB Output is correct
81 Correct 124 ms 16248 KB Output is correct
82 Correct 1 ms 256 KB Output is correct
83 Correct 0 ms 384 KB Output is correct
84 Correct 1 ms 256 KB Output is correct
85 Correct 64 ms 6776 KB Output is correct
86 Correct 119 ms 16340 KB Output is correct
87 Correct 117 ms 16248 KB Output is correct
88 Correct 117 ms 16216 KB Output is correct
89 Correct 123 ms 16220 KB Output is correct
90 Correct 0 ms 384 KB Output is correct
91 Correct 0 ms 256 KB Output is correct
92 Correct 6 ms 1024 KB Output is correct
93 Correct 123 ms 16216 KB Output is correct
94 Correct 1 ms 384 KB Output is correct
95 Correct 0 ms 256 KB Output is correct
96 Correct 0 ms 256 KB Output is correct
97 Correct 30 ms 4352 KB Output is correct
98 Correct 118 ms 16248 KB Output is correct
99 Correct 121 ms 16248 KB Output is correct
100 Correct 115 ms 16220 KB Output is correct
101 Correct 114 ms 16248 KB Output is correct
102 Correct 126 ms 16248 KB Output is correct
103 Correct 127 ms 16248 KB Output is correct
104 Correct 125 ms 16248 KB Output is correct
105 Correct 126 ms 16248 KB Output is correct