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Submission #1049377

# Submission time Handle Problem Language Result Execution time Memory
1049377 2024-08-08T17:35:15 Z vjudge1 Make them Meet (EGOI24_makethemmeet) C++17
70 / 100
 4 ms 600 KB 
#include <bits/stdc++.h>

using namespace std;

#define ar array
#define int long long
#define ld long double

#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")

const int N = 200;
const int X = N * N;
const int K = 500;
const int MOD = 1e9 + 7;

const int LOG = 21;
const int INF = 1e17;

vector<int> g[N];

int col[2][N];
int c[2];

void dfs(int x,int p, bool t, bool b){
	if(b){
		if(t){
			col[0][x] = !col[0][p];
			col[1][x] = col[1][p];
		}else{
			col[0][x] = col[0][p];
			col[1][x] = !col[1][p];
		}
	}
	
	
	
	for(auto u: g[x]){
		if(u ==p)continue;
		dfs(u, x, t ^ 1, 1);
	}
}

signed main(){ios::sync_with_stdio(false);cin.tie(0);	
	int n, m;
	cin>>n>>m;
	
	if(m == n - 1){
		for(int i = 1;i < n;i++){
			int u, v;
			cin>>u>>v;
			g[u].push_back(v);
			g[v].push_back(u);
		}
		for(int i = 0;i < n;i++){
			if(g[i].size() == 1){
				col[0][i] = col[0][g[i][i]] = col[1][i] = col[1][g[i][i]] = 0;
				dfs(g[i][0], i, 1, 0);
				break;
			}
		}
		cout<<4 * n<<endl;
		for(int j = 0;j < 4 * n;j++){
			for(int i = 0;i < n;i++)cout<<col[j % 2][i]<<" ";
			cout<<endl;
		}
	}else{
		cout<<4 * n<<endl;
		for(int j = 0;j < 4 * n;j++){
			for(int i = 0;i < n;i++)cout<< ((i + j % 2) / 2)<<" ";
			cout<<endl;
		}
	}
	
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 2 ms 348 KB Output is correct
5 Correct 4 ms 348 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory 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 344 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 2 ms 348 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 2 ms 348 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 2 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct

Subtask #4
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 2 ms 348 KB Output is correct
5 Correct 4 ms 348 KB Output is correct
6 Correct 1 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 2 ms 348 KB Output is correct
10 Correct 2 ms 348 KB Output is correct
11 Correct 2 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 2 ms 344 KB Output is correct
17 Correct 2 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 1 ms 348 KB Output is correct
21 Correct 2 ms 372 KB Output is correct
22 Correct 2 ms 348 KB Output is correct
23 Correct 2 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 2 ms 348 KB Output is correct
28 Correct 2 ms 348 KB Output is correct
29 Correct 2 ms 348 KB Output is correct
30 Correct 2 ms 348 KB Output is correct
31 Correct 2 ms 348 KB Output is correct
32 Correct 2 ms 348 KB Output is correct
33 Correct 2 ms 348 KB Output is correct
34 Correct 2 ms 348 KB Output is correct
35 Correct 2 ms 536 KB Output is correct
36 Correct 2 ms 348 KB Output is correct
37 Correct 2 ms 348 KB Output is correct
38 Correct 3 ms 344 KB Output is correct
39 Correct 3 ms 348 KB Output is correct
40 Correct 2 ms 348 KB Output is correct
41 Correct 2 ms 348 KB Output is correct
42 Correct 2 ms 348 KB Output is correct
43 Correct 2 ms 348 KB Output is correct
44 Correct 2 ms 348 KB Output is correct
45 Correct 2 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 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 0 ms 348 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 0 ms 348 KB Output is correct
57 Correct 0 ms 348 KB Output is correct
58 Correct 1 ms 344 KB Output is correct
59 Correct 0 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 0 ms 348 KB Output is correct
63 Correct 0 ms 348 KB Output is correct
64 Correct 1 ms 348 KB Output is correct
65 Correct 0 ms 348 KB Output is correct

Subtask #5
0.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 2 ms 348 KB Output is correct
5 Correct 4 ms 348 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 344 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 2 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 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 2 ms 348 KB Output is correct
20 Correct 2 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 2 ms 344 KB Output is correct
26 Correct 2 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 1 ms 348 KB Output is correct
30 Correct 2 ms 372 KB Output is correct
31 Correct 2 ms 348 KB Output is correct
32 Correct 2 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 2 ms 348 KB Output is correct
37 Correct 2 ms 348 KB Output is correct
38 Correct 2 ms 348 KB Output is correct
39 Correct 2 ms 348 KB Output is correct
40 Correct 2 ms 348 KB Output is correct
41 Correct 2 ms 348 KB Output is correct
42 Correct 2 ms 348 KB Output is correct
43 Correct 2 ms 348 KB Output is correct
44 Correct 2 ms 536 KB Output is correct
45 Correct 2 ms 348 KB Output is correct
46 Correct 2 ms 348 KB Output is correct
47 Correct 3 ms 344 KB Output is correct
48 Correct 3 ms 348 KB Output is correct
49 Correct 2 ms 348 KB Output is correct
50 Correct 2 ms 348 KB Output is correct
51 Correct 2 ms 348 KB Output is correct
52 Correct 2 ms 348 KB Output is correct
53 Correct 2 ms 348 KB Output is correct
54 Correct 2 ms 348 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 0 ms 348 KB Output is correct
57 Correct 0 ms 348 KB Output is correct
58 Correct 0 ms 348 KB Output is correct
59 Correct 0 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 0 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
66 Correct 0 ms 348 KB Output is correct
67 Correct 1 ms 344 KB Output is correct
68 Correct 0 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 0 ms 348 KB Output is correct
72 Correct 0 ms 348 KB Output is correct
73 Correct 1 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 348 KB Output is correct
78 Correct 2 ms 348 KB Output is correct
79 Correct 2 ms 348 KB Output is correct
80 Correct 0 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 0 ms 348 KB Output is correct
84 Correct 0 ms 348 KB Output is correct
85 Correct 0 ms 348 KB Output is correct
86 Correct 1 ms 348 KB Output is correct
87 Correct 2 ms 348 KB Output is correct
88 Correct 0 ms 348 KB Output is correct
89 Correct 1 ms 348 KB Output is correct
90 Correct 1 ms 348 KB Output is correct
91 Correct 2 ms 348 KB Output is correct
92 Correct 2 ms 348 KB Output is correct
93 Correct 1 ms 348 KB Output is correct
94 Correct 1 ms 348 KB Output is correct
95 Correct 1 ms 344 KB Output is correct
96 Correct 0 ms 348 KB Output is correct
97 Correct 2 ms 344 KB Output is correct
98 Correct 2 ms 348 KB Output is correct
99 Correct 2 ms 348 KB Output is correct
100 Correct 2 ms 348 KB Output is correct
101 Correct 3 ms 348 KB Output is correct
102 Correct 3 ms 348 KB Output is correct
103 Correct 2 ms 348 KB Output is correct
104 Correct 2 ms 348 KB Output is correct
105 Correct 2 ms 348 KB Output is correct
106 Correct 2 ms 348 KB Output is correct
107 Correct 2 ms 348 KB Output is correct
108 Correct 4 ms 348 KB Output is correct
109 Correct 2 ms 348 KB Output is correct
110 Correct 2 ms 348 KB Output is correct
111 Correct 2 ms 348 KB Output is correct
112 Correct 2 ms 516 KB Output is correct
113 Correct 2 ms 484 KB Output is correct
114 Correct 2 ms 348 KB Output is correct
115 Correct 2 ms 344 KB Output is correct
116 Correct 0 ms 348 KB Output is correct
117 Correct 0 ms 348 KB Output is correct
118 Correct 0 ms 348 KB Output is correct
119 Correct 0 ms 344 KB Output is correct
120 Correct 0 ms 344 KB Output is correct
121 Correct 0 ms 344 KB Output is correct
122 Correct 0 ms 348 KB Output is correct
123 Correct 0 ms 348 KB Output is correct
124 Correct 1 ms 344 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 0 ms 600 KB Output is correct
129 Correct 0 ms 344 KB Output is correct
130 Correct 0 ms 348 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 0 ms 348 KB Output is correct
135 Correct 0 ms 348 KB Output is correct
136 Incorrect 1 ms 344 KB If people start at 0 and 6, then they can avoid each other
137 Halted 0 ms 0 KB -