# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
557631 |
2022-05-05T16:25:04 Z |
Jomnoi |
Graph (BOI20_graph) |
C++17 |
|
160 ms |
25408 KB |
#include <bits/stdc++.h>
using namespace std;
const int MAX_N = 1e5 + 10;
const int INF = 1e9 + 7;
int cnt_component;
vector <pair <int, int>> graph[MAX_N];
vector <int> node[MAX_N];
int component[MAX_N];
int A[MAX_N], B[MAX_N];
double X[MAX_N];
void dfs(int u, int p, int now_component, int a, int b) {
A[u] = a, B[u] = b;
component[u] = now_component;
node[now_component].push_back(u);
for(auto [v, c] : graph[u]) {
if(v == p) {
continue;
}
int na = -a, nb = c - b;
if(component[v] != 0) {
if(A[v] == na) {
if(B[v] != nb) {
cout << "NO";
exit(0);
}
}
else {
double x = 1.0 * (B[v] - nb) / (na - A[v]);
if(X[now_component] != INF and X[now_component] != x) {
cout << "NO";
exit(0);
}
X[now_component] = x;
}
}
else {
dfs(v, u, now_component, na, nb);
}
}
}
int main() {
cin.tie(nullptr)->sync_with_stdio(false);
int N, M;
cin >> N >> M;
while(M--) {
int a, b, c;
cin >> a >> b >> c;
graph[a].emplace_back(b, c);
graph[b].emplace_back(a, c);
}
fill(X + 1, X + N + 1, INF);
for(int i = 1; i <= N; i++) {
if(component[i] != 0) {
continue;
}
dfs(i, -1, ++cnt_component, 1, 0);
if(X[cnt_component] == INF) {
vector <int> median;
for(auto v : node[cnt_component]) {
median.push_back(-A[v] * B[v]);
}
sort(median.begin(), median.end());
X[cnt_component] = median[median.size() / 2];
}
}
cout << "YES\n";
for(int i = 1; i <= N; i++) {
cout << fixed << setprecision(9) << A[i] * X[component[i]] + B[i] << ' ';
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
4948 KB |
answer = YES |
2 |
Correct |
3 ms |
4948 KB |
answer = YES |
3 |
Correct |
3 ms |
4948 KB |
answer = YES |
4 |
Correct |
3 ms |
5036 KB |
answer = NO |
5 |
Correct |
3 ms |
5036 KB |
answer = YES |
6 |
Correct |
3 ms |
5028 KB |
answer = YES |
7 |
Correct |
3 ms |
4948 KB |
answer = YES |
8 |
Correct |
3 ms |
4948 KB |
answer = YES |
9 |
Correct |
3 ms |
5032 KB |
answer = NO |
10 |
Correct |
3 ms |
5076 KB |
answer = YES |
11 |
Correct |
3 ms |
4948 KB |
answer = YES |
12 |
Correct |
3 ms |
4948 KB |
answer = NO |
13 |
Correct |
3 ms |
4948 KB |
answer = YES |
14 |
Correct |
3 ms |
4948 KB |
answer = YES |
15 |
Correct |
3 ms |
4948 KB |
answer = YES |
16 |
Correct |
3 ms |
4948 KB |
answer = YES |
17 |
Correct |
3 ms |
4948 KB |
answer = YES |
18 |
Correct |
3 ms |
4948 KB |
answer = YES |
19 |
Correct |
3 ms |
5032 KB |
answer = YES |
20 |
Correct |
3 ms |
5036 KB |
answer = YES |
21 |
Correct |
3 ms |
4948 KB |
answer = YES |
22 |
Correct |
3 ms |
4948 KB |
answer = NO |
23 |
Correct |
3 ms |
5028 KB |
answer = NO |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
4948 KB |
answer = YES |
2 |
Correct |
3 ms |
4948 KB |
answer = YES |
3 |
Correct |
3 ms |
4948 KB |
answer = YES |
4 |
Correct |
3 ms |
5036 KB |
answer = NO |
5 |
Correct |
3 ms |
5036 KB |
answer = YES |
6 |
Correct |
3 ms |
5028 KB |
answer = YES |
7 |
Correct |
3 ms |
4948 KB |
answer = YES |
8 |
Correct |
3 ms |
4948 KB |
answer = YES |
9 |
Correct |
3 ms |
5032 KB |
answer = NO |
10 |
Correct |
3 ms |
5076 KB |
answer = YES |
11 |
Correct |
3 ms |
4948 KB |
answer = YES |
12 |
Correct |
3 ms |
4948 KB |
answer = NO |
13 |
Correct |
3 ms |
4948 KB |
answer = YES |
14 |
Correct |
3 ms |
4948 KB |
answer = YES |
15 |
Correct |
3 ms |
4948 KB |
answer = YES |
16 |
Correct |
3 ms |
4948 KB |
answer = YES |
17 |
Correct |
3 ms |
4948 KB |
answer = YES |
18 |
Correct |
3 ms |
4948 KB |
answer = YES |
19 |
Correct |
3 ms |
5032 KB |
answer = YES |
20 |
Correct |
3 ms |
5036 KB |
answer = YES |
21 |
Correct |
3 ms |
4948 KB |
answer = YES |
22 |
Correct |
3 ms |
4948 KB |
answer = NO |
23 |
Correct |
3 ms |
5028 KB |
answer = NO |
24 |
Correct |
3 ms |
5032 KB |
answer = YES |
25 |
Correct |
3 ms |
5028 KB |
answer = YES |
26 |
Correct |
3 ms |
5032 KB |
answer = YES |
27 |
Correct |
3 ms |
5036 KB |
answer = YES |
28 |
Correct |
3 ms |
4948 KB |
answer = YES |
29 |
Correct |
4 ms |
4948 KB |
answer = YES |
30 |
Correct |
3 ms |
4948 KB |
answer = NO |
31 |
Correct |
3 ms |
4948 KB |
answer = YES |
32 |
Correct |
3 ms |
5032 KB |
answer = YES |
33 |
Correct |
3 ms |
4948 KB |
answer = YES |
34 |
Correct |
3 ms |
4948 KB |
answer = YES |
35 |
Correct |
3 ms |
5032 KB |
answer = YES |
36 |
Correct |
3 ms |
5032 KB |
answer = YES |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
4948 KB |
answer = YES |
2 |
Correct |
3 ms |
4948 KB |
answer = YES |
3 |
Correct |
3 ms |
4948 KB |
answer = YES |
4 |
Correct |
3 ms |
5036 KB |
answer = NO |
5 |
Correct |
3 ms |
5036 KB |
answer = YES |
6 |
Correct |
3 ms |
5028 KB |
answer = YES |
7 |
Correct |
3 ms |
4948 KB |
answer = YES |
8 |
Correct |
3 ms |
4948 KB |
answer = YES |
9 |
Correct |
3 ms |
5032 KB |
answer = NO |
10 |
Correct |
3 ms |
5076 KB |
answer = YES |
11 |
Correct |
3 ms |
4948 KB |
answer = YES |
12 |
Correct |
3 ms |
4948 KB |
answer = NO |
13 |
Correct |
3 ms |
4948 KB |
answer = YES |
14 |
Correct |
3 ms |
4948 KB |
answer = YES |
15 |
Correct |
3 ms |
4948 KB |
answer = YES |
16 |
Correct |
3 ms |
4948 KB |
answer = YES |
17 |
Correct |
3 ms |
4948 KB |
answer = YES |
18 |
Correct |
3 ms |
4948 KB |
answer = YES |
19 |
Correct |
3 ms |
5032 KB |
answer = YES |
20 |
Correct |
3 ms |
5036 KB |
answer = YES |
21 |
Correct |
3 ms |
4948 KB |
answer = YES |
22 |
Correct |
3 ms |
4948 KB |
answer = NO |
23 |
Correct |
3 ms |
5028 KB |
answer = NO |
24 |
Correct |
3 ms |
5032 KB |
answer = YES |
25 |
Correct |
3 ms |
5028 KB |
answer = YES |
26 |
Correct |
3 ms |
5032 KB |
answer = YES |
27 |
Correct |
3 ms |
5036 KB |
answer = YES |
28 |
Correct |
3 ms |
4948 KB |
answer = YES |
29 |
Correct |
4 ms |
4948 KB |
answer = YES |
30 |
Correct |
3 ms |
4948 KB |
answer = NO |
31 |
Correct |
3 ms |
4948 KB |
answer = YES |
32 |
Correct |
3 ms |
5032 KB |
answer = YES |
33 |
Correct |
3 ms |
4948 KB |
answer = YES |
34 |
Correct |
3 ms |
4948 KB |
answer = YES |
35 |
Correct |
3 ms |
5032 KB |
answer = YES |
36 |
Correct |
3 ms |
5032 KB |
answer = YES |
37 |
Correct |
3 ms |
4948 KB |
answer = YES |
38 |
Correct |
3 ms |
4948 KB |
answer = YES |
39 |
Correct |
4 ms |
5036 KB |
answer = YES |
40 |
Correct |
4 ms |
5076 KB |
answer = YES |
41 |
Correct |
3 ms |
5088 KB |
answer = NO |
42 |
Correct |
4 ms |
5076 KB |
answer = YES |
43 |
Correct |
4 ms |
5044 KB |
answer = YES |
44 |
Correct |
3 ms |
5040 KB |
answer = YES |
45 |
Correct |
4 ms |
5076 KB |
answer = YES |
46 |
Correct |
3 ms |
5036 KB |
answer = YES |
47 |
Correct |
4 ms |
5040 KB |
answer = YES |
48 |
Correct |
4 ms |
5076 KB |
answer = YES |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
4948 KB |
answer = YES |
2 |
Correct |
3 ms |
4948 KB |
answer = YES |
3 |
Correct |
3 ms |
4948 KB |
answer = YES |
4 |
Correct |
3 ms |
5036 KB |
answer = NO |
5 |
Correct |
3 ms |
5036 KB |
answer = YES |
6 |
Correct |
3 ms |
5028 KB |
answer = YES |
7 |
Correct |
3 ms |
4948 KB |
answer = YES |
8 |
Correct |
3 ms |
4948 KB |
answer = YES |
9 |
Correct |
3 ms |
5032 KB |
answer = NO |
10 |
Correct |
3 ms |
5076 KB |
answer = YES |
11 |
Correct |
3 ms |
4948 KB |
answer = YES |
12 |
Correct |
3 ms |
4948 KB |
answer = NO |
13 |
Correct |
3 ms |
4948 KB |
answer = YES |
14 |
Correct |
3 ms |
4948 KB |
answer = YES |
15 |
Correct |
3 ms |
4948 KB |
answer = YES |
16 |
Correct |
3 ms |
4948 KB |
answer = YES |
17 |
Correct |
3 ms |
4948 KB |
answer = YES |
18 |
Correct |
3 ms |
4948 KB |
answer = YES |
19 |
Correct |
3 ms |
5032 KB |
answer = YES |
20 |
Correct |
3 ms |
5036 KB |
answer = YES |
21 |
Correct |
3 ms |
4948 KB |
answer = YES |
22 |
Correct |
3 ms |
4948 KB |
answer = NO |
23 |
Correct |
3 ms |
5028 KB |
answer = NO |
24 |
Correct |
3 ms |
5032 KB |
answer = YES |
25 |
Correct |
3 ms |
5028 KB |
answer = YES |
26 |
Correct |
3 ms |
5032 KB |
answer = YES |
27 |
Correct |
3 ms |
5036 KB |
answer = YES |
28 |
Correct |
3 ms |
4948 KB |
answer = YES |
29 |
Correct |
4 ms |
4948 KB |
answer = YES |
30 |
Correct |
3 ms |
4948 KB |
answer = NO |
31 |
Correct |
3 ms |
4948 KB |
answer = YES |
32 |
Correct |
3 ms |
5032 KB |
answer = YES |
33 |
Correct |
3 ms |
4948 KB |
answer = YES |
34 |
Correct |
3 ms |
4948 KB |
answer = YES |
35 |
Correct |
3 ms |
5032 KB |
answer = YES |
36 |
Correct |
3 ms |
5032 KB |
answer = YES |
37 |
Correct |
3 ms |
4948 KB |
answer = YES |
38 |
Correct |
3 ms |
4948 KB |
answer = YES |
39 |
Correct |
4 ms |
5036 KB |
answer = YES |
40 |
Correct |
4 ms |
5076 KB |
answer = YES |
41 |
Correct |
3 ms |
5088 KB |
answer = NO |
42 |
Correct |
4 ms |
5076 KB |
answer = YES |
43 |
Correct |
4 ms |
5044 KB |
answer = YES |
44 |
Correct |
3 ms |
5040 KB |
answer = YES |
45 |
Correct |
4 ms |
5076 KB |
answer = YES |
46 |
Correct |
3 ms |
5036 KB |
answer = YES |
47 |
Correct |
4 ms |
5040 KB |
answer = YES |
48 |
Correct |
4 ms |
5076 KB |
answer = YES |
49 |
Correct |
11 ms |
5972 KB |
answer = YES |
50 |
Correct |
11 ms |
6228 KB |
answer = YES |
51 |
Correct |
14 ms |
6320 KB |
answer = YES |
52 |
Correct |
6 ms |
5680 KB |
answer = NO |
53 |
Correct |
4 ms |
5036 KB |
answer = YES |
54 |
Correct |
6 ms |
5204 KB |
answer = YES |
55 |
Correct |
7 ms |
5460 KB |
answer = YES |
56 |
Correct |
11 ms |
5936 KB |
answer = YES |
57 |
Correct |
12 ms |
5848 KB |
answer = YES |
58 |
Correct |
13 ms |
5812 KB |
answer = YES |
59 |
Correct |
10 ms |
5772 KB |
answer = YES |
60 |
Correct |
11 ms |
5940 KB |
answer = YES |
61 |
Correct |
7 ms |
5460 KB |
answer = YES |
62 |
Correct |
59 ms |
12024 KB |
answer = NO |
63 |
Correct |
59 ms |
12796 KB |
answer = YES |
64 |
Correct |
53 ms |
12752 KB |
answer = NO |
65 |
Correct |
59 ms |
12816 KB |
answer = YES |
66 |
Correct |
5 ms |
5204 KB |
answer = YES |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
4948 KB |
answer = YES |
2 |
Correct |
3 ms |
4948 KB |
answer = YES |
3 |
Correct |
3 ms |
4948 KB |
answer = YES |
4 |
Correct |
3 ms |
5036 KB |
answer = NO |
5 |
Correct |
3 ms |
5036 KB |
answer = YES |
6 |
Correct |
3 ms |
5028 KB |
answer = YES |
7 |
Correct |
3 ms |
4948 KB |
answer = YES |
8 |
Correct |
3 ms |
4948 KB |
answer = YES |
9 |
Correct |
3 ms |
5032 KB |
answer = NO |
10 |
Correct |
3 ms |
5076 KB |
answer = YES |
11 |
Correct |
3 ms |
4948 KB |
answer = YES |
12 |
Correct |
3 ms |
4948 KB |
answer = NO |
13 |
Correct |
3 ms |
4948 KB |
answer = YES |
14 |
Correct |
3 ms |
4948 KB |
answer = YES |
15 |
Correct |
3 ms |
4948 KB |
answer = YES |
16 |
Correct |
3 ms |
4948 KB |
answer = YES |
17 |
Correct |
3 ms |
4948 KB |
answer = YES |
18 |
Correct |
3 ms |
4948 KB |
answer = YES |
19 |
Correct |
3 ms |
5032 KB |
answer = YES |
20 |
Correct |
3 ms |
5036 KB |
answer = YES |
21 |
Correct |
3 ms |
4948 KB |
answer = YES |
22 |
Correct |
3 ms |
4948 KB |
answer = NO |
23 |
Correct |
3 ms |
5028 KB |
answer = NO |
24 |
Correct |
3 ms |
5032 KB |
answer = YES |
25 |
Correct |
3 ms |
5028 KB |
answer = YES |
26 |
Correct |
3 ms |
5032 KB |
answer = YES |
27 |
Correct |
3 ms |
5036 KB |
answer = YES |
28 |
Correct |
3 ms |
4948 KB |
answer = YES |
29 |
Correct |
4 ms |
4948 KB |
answer = YES |
30 |
Correct |
3 ms |
4948 KB |
answer = NO |
31 |
Correct |
3 ms |
4948 KB |
answer = YES |
32 |
Correct |
3 ms |
5032 KB |
answer = YES |
33 |
Correct |
3 ms |
4948 KB |
answer = YES |
34 |
Correct |
3 ms |
4948 KB |
answer = YES |
35 |
Correct |
3 ms |
5032 KB |
answer = YES |
36 |
Correct |
3 ms |
5032 KB |
answer = YES |
37 |
Correct |
3 ms |
4948 KB |
answer = YES |
38 |
Correct |
3 ms |
4948 KB |
answer = YES |
39 |
Correct |
4 ms |
5036 KB |
answer = YES |
40 |
Correct |
4 ms |
5076 KB |
answer = YES |
41 |
Correct |
3 ms |
5088 KB |
answer = NO |
42 |
Correct |
4 ms |
5076 KB |
answer = YES |
43 |
Correct |
4 ms |
5044 KB |
answer = YES |
44 |
Correct |
3 ms |
5040 KB |
answer = YES |
45 |
Correct |
4 ms |
5076 KB |
answer = YES |
46 |
Correct |
3 ms |
5036 KB |
answer = YES |
47 |
Correct |
4 ms |
5040 KB |
answer = YES |
48 |
Correct |
4 ms |
5076 KB |
answer = YES |
49 |
Correct |
11 ms |
5972 KB |
answer = YES |
50 |
Correct |
11 ms |
6228 KB |
answer = YES |
51 |
Correct |
14 ms |
6320 KB |
answer = YES |
52 |
Correct |
6 ms |
5680 KB |
answer = NO |
53 |
Correct |
4 ms |
5036 KB |
answer = YES |
54 |
Correct |
6 ms |
5204 KB |
answer = YES |
55 |
Correct |
7 ms |
5460 KB |
answer = YES |
56 |
Correct |
11 ms |
5936 KB |
answer = YES |
57 |
Correct |
12 ms |
5848 KB |
answer = YES |
58 |
Correct |
13 ms |
5812 KB |
answer = YES |
59 |
Correct |
10 ms |
5772 KB |
answer = YES |
60 |
Correct |
11 ms |
5940 KB |
answer = YES |
61 |
Correct |
7 ms |
5460 KB |
answer = YES |
62 |
Correct |
59 ms |
12024 KB |
answer = NO |
63 |
Correct |
59 ms |
12796 KB |
answer = YES |
64 |
Correct |
53 ms |
12752 KB |
answer = NO |
65 |
Correct |
59 ms |
12816 KB |
answer = YES |
66 |
Correct |
5 ms |
5204 KB |
answer = YES |
67 |
Correct |
95 ms |
21048 KB |
answer = YES |
68 |
Correct |
85 ms |
20920 KB |
answer = YES |
69 |
Correct |
83 ms |
20868 KB |
answer = YES |
70 |
Correct |
112 ms |
25408 KB |
answer = YES |
71 |
Correct |
83 ms |
20896 KB |
answer = YES |
72 |
Correct |
99 ms |
13752 KB |
answer = YES |
73 |
Correct |
98 ms |
13868 KB |
answer = YES |
74 |
Correct |
65 ms |
14488 KB |
answer = YES |
75 |
Correct |
28 ms |
11340 KB |
answer = NO |
76 |
Correct |
12 ms |
6100 KB |
answer = YES |
77 |
Correct |
22 ms |
7272 KB |
answer = YES |
78 |
Correct |
37 ms |
8840 KB |
answer = YES |
79 |
Correct |
80 ms |
12412 KB |
answer = YES |
80 |
Correct |
68 ms |
14484 KB |
answer = YES |
81 |
Correct |
42 ms |
15940 KB |
answer = NO |
82 |
Correct |
99 ms |
20440 KB |
answer = YES |
83 |
Correct |
122 ms |
21200 KB |
answer = YES |
84 |
Correct |
131 ms |
21068 KB |
answer = YES |
85 |
Correct |
94 ms |
21120 KB |
answer = YES |
86 |
Correct |
91 ms |
21040 KB |
answer = YES |
87 |
Correct |
53 ms |
13876 KB |
answer = NO |
88 |
Correct |
110 ms |
16612 KB |
answer = YES |
89 |
Correct |
95 ms |
13468 KB |
answer = YES |
90 |
Correct |
93 ms |
13592 KB |
answer = YES |
91 |
Correct |
92 ms |
13516 KB |
answer = YES |
92 |
Correct |
47 ms |
9404 KB |
answer = YES |
93 |
Correct |
55 ms |
9428 KB |
answer = YES |
94 |
Correct |
52 ms |
19684 KB |
answer = NO |
95 |
Correct |
40 ms |
11456 KB |
answer = NO |
96 |
Correct |
160 ms |
22324 KB |
answer = YES |
97 |
Correct |
40 ms |
19672 KB |
answer = NO |