#include<bits/stdc++.h>
using namespace std;
vector<vector<int>> graph;
int n, m;
vector<int> c;
vector<bool> visited;
void pathlike(){
cout << "600\n";
for(int i = 0; i < 600; i++){
for(int j = 0; j < n; j++){
cout << (j+(i%2))/2 << ' ';
}
cout << '\n';
}
}
void dfs(int v, int p, int d){
visited[v]=1;
if(d%2) c[v] = p;
else c[v] = v;
for(auto i : graph[v]){
if(!visited[i]) dfs(i, v, d+1);
}
}
int main(){
cin >> n >> m;
graph.resize(n);
c.resize(n);
visited.resize(n);
for(int i = 0; i < m; i++){
int x, y;
cin >> x >> y;
graph[x].push_back(y);
graph[y].push_back(x);
}
if(m==(n*(n-1))/2){
pathlike();
return 0;
}
int root = 0;
for(int i = 0; i < n; i++) if(graph[i].size() == 1) root = i;
cout << "600\n";
for(int i = 0; i < 600; i++){
fill(visited.begin(), visited.end(), 0);
dfs(root, -1, i%2);
c[root] = graph[root][0];
c[graph[root][0]]=graph[root][0];
for(auto i : c){
cout << i << ' ';
}
cout << '\n';
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
360 KB |
Output is correct |
4 |
Correct |
3 ms |
556 KB |
Output is correct |
5 |
Correct |
3 ms |
344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
2 ms |
348 KB |
Output is correct |
8 |
Correct |
2 ms |
348 KB |
Output is correct |
9 |
Correct |
5 ms |
604 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
2 ms |
348 KB |
Output is correct |
5 |
Correct |
3 ms |
604 KB |
Output is correct |
6 |
Correct |
3 ms |
604 KB |
Output is correct |
7 |
Correct |
2 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
360 KB |
Output is correct |
4 |
Correct |
3 ms |
556 KB |
Output is correct |
5 |
Correct |
3 ms |
344 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
2 ms |
348 KB |
Output is correct |
10 |
Correct |
3 ms |
604 KB |
Output is correct |
11 |
Correct |
3 ms |
604 KB |
Output is correct |
12 |
Correct |
2 ms |
348 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
3 ms |
348 KB |
Output is correct |
17 |
Correct |
3 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
1 ms |
348 KB |
Output is correct |
20 |
Correct |
2 ms |
348 KB |
Output is correct |
21 |
Correct |
3 ms |
604 KB |
Output is correct |
22 |
Correct |
3 ms |
604 KB |
Output is correct |
23 |
Correct |
2 ms |
516 KB |
Output is correct |
24 |
Correct |
1 ms |
348 KB |
Output is correct |
25 |
Correct |
0 ms |
348 KB |
Output is correct |
26 |
Correct |
1 ms |
348 KB |
Output is correct |
27 |
Correct |
4 ms |
564 KB |
Output is correct |
28 |
Correct |
3 ms |
604 KB |
Output is correct |
29 |
Correct |
3 ms |
604 KB |
Output is correct |
30 |
Correct |
3 ms |
604 KB |
Output is correct |
31 |
Correct |
3 ms |
604 KB |
Output is correct |
32 |
Correct |
3 ms |
604 KB |
Output is correct |
33 |
Correct |
3 ms |
604 KB |
Output is correct |
34 |
Correct |
3 ms |
604 KB |
Output is correct |
35 |
Correct |
4 ms |
604 KB |
Output is correct |
36 |
Correct |
3 ms |
348 KB |
Output is correct |
37 |
Correct |
3 ms |
348 KB |
Output is correct |
38 |
Correct |
3 ms |
604 KB |
Output is correct |
39 |
Correct |
3 ms |
604 KB |
Output is correct |
40 |
Correct |
3 ms |
604 KB |
Output is correct |
41 |
Correct |
4 ms |
604 KB |
Output is correct |
42 |
Correct |
3 ms |
348 KB |
Output is correct |
43 |
Correct |
3 ms |
604 KB |
Output is correct |
44 |
Correct |
3 ms |
604 KB |
Output is correct |
45 |
Correct |
3 ms |
508 KB |
Output is correct |
46 |
Correct |
0 ms |
344 KB |
Output is correct |
47 |
Correct |
0 ms |
348 KB |
Output is correct |
48 |
Correct |
1 ms |
348 KB |
Output is correct |
49 |
Correct |
0 ms |
348 KB |
Output is correct |
50 |
Correct |
1 ms |
348 KB |
Output is correct |
51 |
Correct |
0 ms |
348 KB |
Output is correct |
52 |
Correct |
0 ms |
348 KB |
Output is correct |
53 |
Correct |
1 ms |
348 KB |
Output is correct |
54 |
Correct |
1 ms |
348 KB |
Output is correct |
55 |
Correct |
0 ms |
348 KB |
Output is correct |
56 |
Correct |
1 ms |
344 KB |
Output is correct |
57 |
Correct |
0 ms |
348 KB |
Output is correct |
58 |
Correct |
0 ms |
348 KB |
Output is correct |
59 |
Correct |
1 ms |
348 KB |
Output is correct |
60 |
Correct |
0 ms |
348 KB |
Output is correct |
61 |
Correct |
0 ms |
348 KB |
Output is correct |
62 |
Correct |
1 ms |
348 KB |
Output is correct |
63 |
Correct |
0 ms |
348 KB |
Output is correct |
64 |
Correct |
0 ms |
348 KB |
Output is correct |
65 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
360 KB |
Output is correct |
4 |
Correct |
3 ms |
556 KB |
Output is correct |
5 |
Correct |
3 ms |
344 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
2 ms |
348 KB |
Output is correct |
13 |
Correct |
2 ms |
348 KB |
Output is correct |
14 |
Correct |
5 ms |
604 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
2 ms |
348 KB |
Output is correct |
19 |
Correct |
3 ms |
604 KB |
Output is correct |
20 |
Correct |
3 ms |
604 KB |
Output is correct |
21 |
Correct |
2 ms |
348 KB |
Output is correct |
22 |
Correct |
1 ms |
348 KB |
Output is correct |
23 |
Correct |
1 ms |
348 KB |
Output is correct |
24 |
Correct |
1 ms |
348 KB |
Output is correct |
25 |
Correct |
3 ms |
348 KB |
Output is correct |
26 |
Correct |
3 ms |
348 KB |
Output is correct |
27 |
Correct |
0 ms |
348 KB |
Output is correct |
28 |
Correct |
1 ms |
348 KB |
Output is correct |
29 |
Correct |
2 ms |
348 KB |
Output is correct |
30 |
Correct |
3 ms |
604 KB |
Output is correct |
31 |
Correct |
3 ms |
604 KB |
Output is correct |
32 |
Correct |
2 ms |
516 KB |
Output is correct |
33 |
Correct |
1 ms |
348 KB |
Output is correct |
34 |
Correct |
0 ms |
348 KB |
Output is correct |
35 |
Correct |
1 ms |
348 KB |
Output is correct |
36 |
Correct |
4 ms |
564 KB |
Output is correct |
37 |
Correct |
3 ms |
604 KB |
Output is correct |
38 |
Correct |
3 ms |
604 KB |
Output is correct |
39 |
Correct |
3 ms |
604 KB |
Output is correct |
40 |
Correct |
3 ms |
604 KB |
Output is correct |
41 |
Correct |
3 ms |
604 KB |
Output is correct |
42 |
Correct |
3 ms |
604 KB |
Output is correct |
43 |
Correct |
3 ms |
604 KB |
Output is correct |
44 |
Correct |
4 ms |
604 KB |
Output is correct |
45 |
Correct |
3 ms |
348 KB |
Output is correct |
46 |
Correct |
3 ms |
348 KB |
Output is correct |
47 |
Correct |
3 ms |
604 KB |
Output is correct |
48 |
Correct |
3 ms |
604 KB |
Output is correct |
49 |
Correct |
3 ms |
604 KB |
Output is correct |
50 |
Correct |
4 ms |
604 KB |
Output is correct |
51 |
Correct |
3 ms |
348 KB |
Output is correct |
52 |
Correct |
3 ms |
604 KB |
Output is correct |
53 |
Correct |
3 ms |
604 KB |
Output is correct |
54 |
Correct |
3 ms |
508 KB |
Output is correct |
55 |
Correct |
0 ms |
344 KB |
Output is correct |
56 |
Correct |
0 ms |
348 KB |
Output is correct |
57 |
Correct |
1 ms |
348 KB |
Output is correct |
58 |
Correct |
0 ms |
348 KB |
Output is correct |
59 |
Correct |
1 ms |
348 KB |
Output is correct |
60 |
Correct |
0 ms |
348 KB |
Output is correct |
61 |
Correct |
0 ms |
348 KB |
Output is correct |
62 |
Correct |
1 ms |
348 KB |
Output is correct |
63 |
Correct |
1 ms |
348 KB |
Output is correct |
64 |
Correct |
0 ms |
348 KB |
Output is correct |
65 |
Correct |
1 ms |
344 KB |
Output is correct |
66 |
Correct |
0 ms |
348 KB |
Output is correct |
67 |
Correct |
0 ms |
348 KB |
Output is correct |
68 |
Correct |
1 ms |
348 KB |
Output is correct |
69 |
Correct |
0 ms |
348 KB |
Output is correct |
70 |
Correct |
0 ms |
348 KB |
Output is correct |
71 |
Correct |
1 ms |
348 KB |
Output is correct |
72 |
Correct |
0 ms |
348 KB |
Output is correct |
73 |
Correct |
0 ms |
348 KB |
Output is correct |
74 |
Correct |
0 ms |
348 KB |
Output is correct |
75 |
Correct |
0 ms |
348 KB |
Output is correct |
76 |
Correct |
0 ms |
348 KB |
Output is correct |
77 |
Correct |
0 ms |
344 KB |
Output is correct |
78 |
Correct |
3 ms |
600 KB |
Output is correct |
79 |
Correct |
3 ms |
572 KB |
Output is correct |
80 |
Correct |
1 ms |
348 KB |
Output is correct |
81 |
Correct |
0 ms |
348 KB |
Output is correct |
82 |
Correct |
1 ms |
348 KB |
Output is correct |
83 |
Correct |
1 ms |
348 KB |
Output is correct |
84 |
Correct |
1 ms |
348 KB |
Output is correct |
85 |
Correct |
2 ms |
436 KB |
Output is correct |
86 |
Correct |
2 ms |
348 KB |
Output is correct |
87 |
Correct |
3 ms |
460 KB |
Output is correct |
88 |
Correct |
0 ms |
348 KB |
Output is correct |
89 |
Correct |
0 ms |
348 KB |
Output is correct |
90 |
Correct |
2 ms |
348 KB |
Output is correct |
91 |
Correct |
3 ms |
604 KB |
Output is correct |
92 |
Correct |
3 ms |
604 KB |
Output is correct |
93 |
Correct |
2 ms |
348 KB |
Output is correct |
94 |
Correct |
0 ms |
348 KB |
Output is correct |
95 |
Correct |
0 ms |
348 KB |
Output is correct |
96 |
Correct |
1 ms |
348 KB |
Output is correct |
97 |
Correct |
3 ms |
604 KB |
Output is correct |
98 |
Correct |
3 ms |
604 KB |
Output is correct |
99 |
Correct |
3 ms |
604 KB |
Output is correct |
100 |
Correct |
3 ms |
600 KB |
Output is correct |
101 |
Correct |
3 ms |
604 KB |
Output is correct |
102 |
Correct |
3 ms |
604 KB |
Output is correct |
103 |
Correct |
3 ms |
572 KB |
Output is correct |
104 |
Correct |
3 ms |
604 KB |
Output is correct |
105 |
Correct |
3 ms |
604 KB |
Output is correct |
106 |
Correct |
3 ms |
432 KB |
Output is correct |
107 |
Correct |
3 ms |
348 KB |
Output is correct |
108 |
Correct |
4 ms |
604 KB |
Output is correct |
109 |
Correct |
4 ms |
604 KB |
Output is correct |
110 |
Correct |
3 ms |
604 KB |
Output is correct |
111 |
Correct |
3 ms |
604 KB |
Output is correct |
112 |
Correct |
3 ms |
476 KB |
Output is correct |
113 |
Correct |
3 ms |
436 KB |
Output is correct |
114 |
Correct |
3 ms |
600 KB |
Output is correct |
115 |
Correct |
3 ms |
604 KB |
Output is correct |
116 |
Correct |
0 ms |
348 KB |
Output is correct |
117 |
Correct |
1 ms |
348 KB |
Output is correct |
118 |
Correct |
0 ms |
348 KB |
Output is correct |
119 |
Correct |
0 ms |
348 KB |
Output is correct |
120 |
Correct |
0 ms |
344 KB |
Output is correct |
121 |
Correct |
0 ms |
348 KB |
Output is correct |
122 |
Correct |
0 ms |
348 KB |
Output is correct |
123 |
Correct |
0 ms |
348 KB |
Output is correct |
124 |
Correct |
0 ms |
348 KB |
Output is correct |
125 |
Correct |
0 ms |
348 KB |
Output is correct |
126 |
Correct |
0 ms |
348 KB |
Output is correct |
127 |
Correct |
0 ms |
348 KB |
Output is correct |
128 |
Correct |
1 ms |
348 KB |
Output is correct |
129 |
Correct |
0 ms |
348 KB |
Output is correct |
130 |
Correct |
0 ms |
436 KB |
Output is correct |
131 |
Correct |
0 ms |
348 KB |
Output is correct |
132 |
Correct |
0 ms |
348 KB |
Output is correct |
133 |
Correct |
0 ms |
348 KB |
Output is correct |
134 |
Correct |
1 ms |
344 KB |
Output is correct |
135 |
Correct |
1 ms |
344 KB |
Output is correct |
136 |
Correct |
0 ms |
348 KB |
Output is correct |
137 |
Incorrect |
0 ms |
348 KB |
If people start at 0 and 2, then they can avoid each other |
138 |
Halted |
0 ms |
0 KB |
- |