/**
* author: kututay
* created: 20.09.2022 13:13:02
**/
#include <bits/stdc++.h>
using namespace std;
#ifdef DEBUG
#include "/Users/kutay/CP/templates/debug.h"
#else
#define debug(...) void(38)
#endif
int32_t main() {
ios_base::sync_with_stdio(0); cin.tie(0);
int n, m; cin >> n >> m;
vector<vector<pair<int, int>>> g(n);
for (int i = 0; i < m; i++) {
int x, y, z; cin >> x >> y >> z, x--, y--;
g[x].emplace_back(y, z * 2);
g[y].emplace_back(x, z * 2);
}
vector<pair<int, int>> k(n);
vector<int> vis(n);
vector<int> ans(n);
for (int i = 0; i < n; i++) {
if (vis[i]) continue;
vector<int> nodes;
int x = 0;
bool flag = false;
function<void(int)> dfs = [&](int node) {
if (vis[node]) return;
vis[node] = 1;
nodes.emplace_back(node);
for (auto [v, w] : g[node]) {
if (!vis[v]) {
k[v].first = -k[node].first;
k[v].second = w - k[node].second;
dfs(v);
} else if (flag) {
if (k[node].first * x + k[node].second + k[v].first * x + k[v].second != w) {
cout << "NO\n";
exit(0);
}
} else {
if (-k[node].first == k[v].first) {
if (w - k[node].second == k[v].second) continue;
else {
cout << "NO\n";
exit(0);
}
}
flag = true;
x = (w - k[node].second - k[v].second) / (k[node].first + k[v].first);
}
}
};
k[i] = {1, 0};
dfs(i);
if (flag == false) {
vector<int> p;
for (int v : nodes) {
p.emplace_back(-k[v].first * k[v].second);
}
sort(p.begin(), p.end());
x = p[(int) p.size() / 2];
}
for (int v : nodes) {
ans[v] = k[v].first * x + k[v].second;
}
}
cout << "YES\n";
for (int x : ans) {
cout << x / 2.0 << " ";
}
cout << '\n';
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
answer = YES |
2 |
Correct |
0 ms |
212 KB |
answer = YES |
3 |
Correct |
0 ms |
212 KB |
answer = YES |
4 |
Correct |
1 ms |
212 KB |
answer = NO |
5 |
Correct |
1 ms |
212 KB |
answer = YES |
6 |
Correct |
1 ms |
212 KB |
answer = YES |
7 |
Correct |
0 ms |
212 KB |
answer = YES |
8 |
Correct |
0 ms |
212 KB |
answer = YES |
9 |
Correct |
0 ms |
212 KB |
answer = NO |
10 |
Correct |
0 ms |
212 KB |
answer = YES |
11 |
Correct |
0 ms |
212 KB |
answer = YES |
12 |
Correct |
0 ms |
212 KB |
answer = NO |
13 |
Correct |
0 ms |
212 KB |
answer = YES |
14 |
Correct |
0 ms |
212 KB |
answer = YES |
15 |
Correct |
0 ms |
212 KB |
answer = YES |
16 |
Correct |
0 ms |
212 KB |
answer = YES |
17 |
Correct |
0 ms |
212 KB |
answer = YES |
18 |
Correct |
0 ms |
212 KB |
answer = YES |
19 |
Correct |
0 ms |
212 KB |
answer = YES |
20 |
Correct |
0 ms |
212 KB |
answer = YES |
21 |
Correct |
0 ms |
212 KB |
answer = YES |
22 |
Correct |
0 ms |
212 KB |
answer = NO |
23 |
Correct |
0 ms |
212 KB |
answer = NO |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
answer = YES |
2 |
Correct |
0 ms |
212 KB |
answer = YES |
3 |
Correct |
0 ms |
212 KB |
answer = YES |
4 |
Correct |
1 ms |
212 KB |
answer = NO |
5 |
Correct |
1 ms |
212 KB |
answer = YES |
6 |
Correct |
1 ms |
212 KB |
answer = YES |
7 |
Correct |
0 ms |
212 KB |
answer = YES |
8 |
Correct |
0 ms |
212 KB |
answer = YES |
9 |
Correct |
0 ms |
212 KB |
answer = NO |
10 |
Correct |
0 ms |
212 KB |
answer = YES |
11 |
Correct |
0 ms |
212 KB |
answer = YES |
12 |
Correct |
0 ms |
212 KB |
answer = NO |
13 |
Correct |
0 ms |
212 KB |
answer = YES |
14 |
Correct |
0 ms |
212 KB |
answer = YES |
15 |
Correct |
0 ms |
212 KB |
answer = YES |
16 |
Correct |
0 ms |
212 KB |
answer = YES |
17 |
Correct |
0 ms |
212 KB |
answer = YES |
18 |
Correct |
0 ms |
212 KB |
answer = YES |
19 |
Correct |
0 ms |
212 KB |
answer = YES |
20 |
Correct |
0 ms |
212 KB |
answer = YES |
21 |
Correct |
0 ms |
212 KB |
answer = YES |
22 |
Correct |
0 ms |
212 KB |
answer = NO |
23 |
Correct |
0 ms |
212 KB |
answer = NO |
24 |
Correct |
0 ms |
212 KB |
answer = YES |
25 |
Correct |
0 ms |
212 KB |
answer = YES |
26 |
Correct |
0 ms |
212 KB |
answer = YES |
27 |
Correct |
1 ms |
212 KB |
answer = YES |
28 |
Correct |
0 ms |
212 KB |
answer = YES |
29 |
Correct |
1 ms |
212 KB |
answer = YES |
30 |
Correct |
1 ms |
212 KB |
answer = NO |
31 |
Correct |
0 ms |
212 KB |
answer = YES |
32 |
Correct |
0 ms |
212 KB |
answer = YES |
33 |
Correct |
1 ms |
212 KB |
answer = YES |
34 |
Correct |
0 ms |
212 KB |
answer = YES |
35 |
Correct |
0 ms |
212 KB |
answer = YES |
36 |
Correct |
1 ms |
212 KB |
answer = YES |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
answer = YES |
2 |
Correct |
0 ms |
212 KB |
answer = YES |
3 |
Correct |
0 ms |
212 KB |
answer = YES |
4 |
Correct |
1 ms |
212 KB |
answer = NO |
5 |
Correct |
1 ms |
212 KB |
answer = YES |
6 |
Correct |
1 ms |
212 KB |
answer = YES |
7 |
Correct |
0 ms |
212 KB |
answer = YES |
8 |
Correct |
0 ms |
212 KB |
answer = YES |
9 |
Correct |
0 ms |
212 KB |
answer = NO |
10 |
Correct |
0 ms |
212 KB |
answer = YES |
11 |
Correct |
0 ms |
212 KB |
answer = YES |
12 |
Correct |
0 ms |
212 KB |
answer = NO |
13 |
Correct |
0 ms |
212 KB |
answer = YES |
14 |
Correct |
0 ms |
212 KB |
answer = YES |
15 |
Correct |
0 ms |
212 KB |
answer = YES |
16 |
Correct |
0 ms |
212 KB |
answer = YES |
17 |
Correct |
0 ms |
212 KB |
answer = YES |
18 |
Correct |
0 ms |
212 KB |
answer = YES |
19 |
Correct |
0 ms |
212 KB |
answer = YES |
20 |
Correct |
0 ms |
212 KB |
answer = YES |
21 |
Correct |
0 ms |
212 KB |
answer = YES |
22 |
Correct |
0 ms |
212 KB |
answer = NO |
23 |
Correct |
0 ms |
212 KB |
answer = NO |
24 |
Correct |
0 ms |
212 KB |
answer = YES |
25 |
Correct |
0 ms |
212 KB |
answer = YES |
26 |
Correct |
0 ms |
212 KB |
answer = YES |
27 |
Correct |
1 ms |
212 KB |
answer = YES |
28 |
Correct |
0 ms |
212 KB |
answer = YES |
29 |
Correct |
1 ms |
212 KB |
answer = YES |
30 |
Correct |
1 ms |
212 KB |
answer = NO |
31 |
Correct |
0 ms |
212 KB |
answer = YES |
32 |
Correct |
0 ms |
212 KB |
answer = YES |
33 |
Correct |
1 ms |
212 KB |
answer = YES |
34 |
Correct |
0 ms |
212 KB |
answer = YES |
35 |
Correct |
0 ms |
212 KB |
answer = YES |
36 |
Correct |
1 ms |
212 KB |
answer = YES |
37 |
Correct |
1 ms |
212 KB |
answer = YES |
38 |
Correct |
1 ms |
212 KB |
answer = YES |
39 |
Correct |
1 ms |
340 KB |
answer = YES |
40 |
Correct |
1 ms |
340 KB |
answer = YES |
41 |
Correct |
1 ms |
340 KB |
answer = NO |
42 |
Correct |
1 ms |
340 KB |
answer = YES |
43 |
Correct |
1 ms |
340 KB |
answer = YES |
44 |
Correct |
1 ms |
340 KB |
answer = YES |
45 |
Correct |
1 ms |
384 KB |
answer = YES |
46 |
Correct |
1 ms |
340 KB |
answer = YES |
47 |
Correct |
1 ms |
340 KB |
answer = YES |
48 |
Correct |
1 ms |
340 KB |
answer = YES |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
answer = YES |
2 |
Correct |
0 ms |
212 KB |
answer = YES |
3 |
Correct |
0 ms |
212 KB |
answer = YES |
4 |
Correct |
1 ms |
212 KB |
answer = NO |
5 |
Correct |
1 ms |
212 KB |
answer = YES |
6 |
Correct |
1 ms |
212 KB |
answer = YES |
7 |
Correct |
0 ms |
212 KB |
answer = YES |
8 |
Correct |
0 ms |
212 KB |
answer = YES |
9 |
Correct |
0 ms |
212 KB |
answer = NO |
10 |
Correct |
0 ms |
212 KB |
answer = YES |
11 |
Correct |
0 ms |
212 KB |
answer = YES |
12 |
Correct |
0 ms |
212 KB |
answer = NO |
13 |
Correct |
0 ms |
212 KB |
answer = YES |
14 |
Correct |
0 ms |
212 KB |
answer = YES |
15 |
Correct |
0 ms |
212 KB |
answer = YES |
16 |
Correct |
0 ms |
212 KB |
answer = YES |
17 |
Correct |
0 ms |
212 KB |
answer = YES |
18 |
Correct |
0 ms |
212 KB |
answer = YES |
19 |
Correct |
0 ms |
212 KB |
answer = YES |
20 |
Correct |
0 ms |
212 KB |
answer = YES |
21 |
Correct |
0 ms |
212 KB |
answer = YES |
22 |
Correct |
0 ms |
212 KB |
answer = NO |
23 |
Correct |
0 ms |
212 KB |
answer = NO |
24 |
Correct |
0 ms |
212 KB |
answer = YES |
25 |
Correct |
0 ms |
212 KB |
answer = YES |
26 |
Correct |
0 ms |
212 KB |
answer = YES |
27 |
Correct |
1 ms |
212 KB |
answer = YES |
28 |
Correct |
0 ms |
212 KB |
answer = YES |
29 |
Correct |
1 ms |
212 KB |
answer = YES |
30 |
Correct |
1 ms |
212 KB |
answer = NO |
31 |
Correct |
0 ms |
212 KB |
answer = YES |
32 |
Correct |
0 ms |
212 KB |
answer = YES |
33 |
Correct |
1 ms |
212 KB |
answer = YES |
34 |
Correct |
0 ms |
212 KB |
answer = YES |
35 |
Correct |
0 ms |
212 KB |
answer = YES |
36 |
Correct |
1 ms |
212 KB |
answer = YES |
37 |
Correct |
1 ms |
212 KB |
answer = YES |
38 |
Correct |
1 ms |
212 KB |
answer = YES |
39 |
Correct |
1 ms |
340 KB |
answer = YES |
40 |
Correct |
1 ms |
340 KB |
answer = YES |
41 |
Correct |
1 ms |
340 KB |
answer = NO |
42 |
Correct |
1 ms |
340 KB |
answer = YES |
43 |
Correct |
1 ms |
340 KB |
answer = YES |
44 |
Correct |
1 ms |
340 KB |
answer = YES |
45 |
Correct |
1 ms |
384 KB |
answer = YES |
46 |
Correct |
1 ms |
340 KB |
answer = YES |
47 |
Correct |
1 ms |
340 KB |
answer = YES |
48 |
Correct |
1 ms |
340 KB |
answer = YES |
49 |
Correct |
7 ms |
1236 KB |
answer = YES |
50 |
Correct |
9 ms |
1492 KB |
answer = YES |
51 |
Correct |
8 ms |
1492 KB |
answer = YES |
52 |
Correct |
3 ms |
980 KB |
answer = NO |
53 |
Correct |
1 ms |
340 KB |
answer = YES |
54 |
Correct |
2 ms |
468 KB |
answer = YES |
55 |
Correct |
4 ms |
724 KB |
answer = YES |
56 |
Correct |
7 ms |
1196 KB |
answer = YES |
57 |
Correct |
7 ms |
1108 KB |
answer = YES |
58 |
Correct |
6 ms |
1108 KB |
answer = YES |
59 |
Correct |
9 ms |
1108 KB |
answer = YES |
60 |
Correct |
7 ms |
1108 KB |
answer = YES |
61 |
Correct |
4 ms |
724 KB |
answer = YES |
62 |
Correct |
42 ms |
5196 KB |
answer = NO |
63 |
Correct |
48 ms |
5740 KB |
answer = YES |
64 |
Correct |
43 ms |
5808 KB |
answer = NO |
65 |
Correct |
58 ms |
5808 KB |
answer = YES |
66 |
Correct |
2 ms |
468 KB |
answer = YES |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
answer = YES |
2 |
Correct |
0 ms |
212 KB |
answer = YES |
3 |
Correct |
0 ms |
212 KB |
answer = YES |
4 |
Correct |
1 ms |
212 KB |
answer = NO |
5 |
Correct |
1 ms |
212 KB |
answer = YES |
6 |
Correct |
1 ms |
212 KB |
answer = YES |
7 |
Correct |
0 ms |
212 KB |
answer = YES |
8 |
Correct |
0 ms |
212 KB |
answer = YES |
9 |
Correct |
0 ms |
212 KB |
answer = NO |
10 |
Correct |
0 ms |
212 KB |
answer = YES |
11 |
Correct |
0 ms |
212 KB |
answer = YES |
12 |
Correct |
0 ms |
212 KB |
answer = NO |
13 |
Correct |
0 ms |
212 KB |
answer = YES |
14 |
Correct |
0 ms |
212 KB |
answer = YES |
15 |
Correct |
0 ms |
212 KB |
answer = YES |
16 |
Correct |
0 ms |
212 KB |
answer = YES |
17 |
Correct |
0 ms |
212 KB |
answer = YES |
18 |
Correct |
0 ms |
212 KB |
answer = YES |
19 |
Correct |
0 ms |
212 KB |
answer = YES |
20 |
Correct |
0 ms |
212 KB |
answer = YES |
21 |
Correct |
0 ms |
212 KB |
answer = YES |
22 |
Correct |
0 ms |
212 KB |
answer = NO |
23 |
Correct |
0 ms |
212 KB |
answer = NO |
24 |
Correct |
0 ms |
212 KB |
answer = YES |
25 |
Correct |
0 ms |
212 KB |
answer = YES |
26 |
Correct |
0 ms |
212 KB |
answer = YES |
27 |
Correct |
1 ms |
212 KB |
answer = YES |
28 |
Correct |
0 ms |
212 KB |
answer = YES |
29 |
Correct |
1 ms |
212 KB |
answer = YES |
30 |
Correct |
1 ms |
212 KB |
answer = NO |
31 |
Correct |
0 ms |
212 KB |
answer = YES |
32 |
Correct |
0 ms |
212 KB |
answer = YES |
33 |
Correct |
1 ms |
212 KB |
answer = YES |
34 |
Correct |
0 ms |
212 KB |
answer = YES |
35 |
Correct |
0 ms |
212 KB |
answer = YES |
36 |
Correct |
1 ms |
212 KB |
answer = YES |
37 |
Correct |
1 ms |
212 KB |
answer = YES |
38 |
Correct |
1 ms |
212 KB |
answer = YES |
39 |
Correct |
1 ms |
340 KB |
answer = YES |
40 |
Correct |
1 ms |
340 KB |
answer = YES |
41 |
Correct |
1 ms |
340 KB |
answer = NO |
42 |
Correct |
1 ms |
340 KB |
answer = YES |
43 |
Correct |
1 ms |
340 KB |
answer = YES |
44 |
Correct |
1 ms |
340 KB |
answer = YES |
45 |
Correct |
1 ms |
384 KB |
answer = YES |
46 |
Correct |
1 ms |
340 KB |
answer = YES |
47 |
Correct |
1 ms |
340 KB |
answer = YES |
48 |
Correct |
1 ms |
340 KB |
answer = YES |
49 |
Correct |
7 ms |
1236 KB |
answer = YES |
50 |
Correct |
9 ms |
1492 KB |
answer = YES |
51 |
Correct |
8 ms |
1492 KB |
answer = YES |
52 |
Correct |
3 ms |
980 KB |
answer = NO |
53 |
Correct |
1 ms |
340 KB |
answer = YES |
54 |
Correct |
2 ms |
468 KB |
answer = YES |
55 |
Correct |
4 ms |
724 KB |
answer = YES |
56 |
Correct |
7 ms |
1196 KB |
answer = YES |
57 |
Correct |
7 ms |
1108 KB |
answer = YES |
58 |
Correct |
6 ms |
1108 KB |
answer = YES |
59 |
Correct |
9 ms |
1108 KB |
answer = YES |
60 |
Correct |
7 ms |
1108 KB |
answer = YES |
61 |
Correct |
4 ms |
724 KB |
answer = YES |
62 |
Correct |
42 ms |
5196 KB |
answer = NO |
63 |
Correct |
48 ms |
5740 KB |
answer = YES |
64 |
Correct |
43 ms |
5808 KB |
answer = NO |
65 |
Correct |
58 ms |
5808 KB |
answer = YES |
66 |
Correct |
2 ms |
468 KB |
answer = YES |
67 |
Correct |
72 ms |
14764 KB |
answer = YES |
68 |
Correct |
71 ms |
14724 KB |
answer = YES |
69 |
Correct |
65 ms |
14144 KB |
answer = YES |
70 |
Correct |
95 ms |
17264 KB |
answer = YES |
71 |
Correct |
70 ms |
14120 KB |
answer = YES |
72 |
Correct |
78 ms |
9132 KB |
answer = YES |
73 |
Correct |
76 ms |
8592 KB |
answer = YES |
74 |
Correct |
49 ms |
8444 KB |
answer = YES |
75 |
Correct |
19 ms |
6684 KB |
answer = NO |
76 |
Correct |
9 ms |
1384 KB |
answer = YES |
77 |
Correct |
18 ms |
2516 KB |
answer = YES |
78 |
Correct |
31 ms |
4064 KB |
answer = YES |
79 |
Correct |
65 ms |
7872 KB |
answer = YES |
80 |
Correct |
51 ms |
8700 KB |
answer = YES |
81 |
Correct |
34 ms |
11076 KB |
answer = NO |
82 |
Correct |
80 ms |
13668 KB |
answer = YES |
83 |
Correct |
90 ms |
14096 KB |
answer = YES |
84 |
Correct |
93 ms |
14788 KB |
answer = YES |
85 |
Correct |
72 ms |
14684 KB |
answer = YES |
86 |
Correct |
71 ms |
14052 KB |
answer = YES |
87 |
Correct |
37 ms |
9352 KB |
answer = NO |
88 |
Correct |
87 ms |
10552 KB |
answer = YES |
89 |
Correct |
76 ms |
7624 KB |
answer = YES |
90 |
Correct |
81 ms |
7736 KB |
answer = YES |
91 |
Correct |
84 ms |
7752 KB |
answer = YES |
92 |
Correct |
40 ms |
4528 KB |
answer = YES |
93 |
Correct |
43 ms |
4556 KB |
answer = YES |
94 |
Correct |
50 ms |
14156 KB |
answer = NO |
95 |
Correct |
36 ms |
7432 KB |
answer = NO |
96 |
Correct |
142 ms |
14796 KB |
answer = YES |
97 |
Correct |
35 ms |
14148 KB |
answer = NO |