#pragma GCC optimize("Ofast","O3","unroll-loops")
#pragma GCC target("avx2")
#include <bits/stdc++.h>
using namespace std;
#define LCBorz ios_base::sync_with_stdio(false); cin.tie(0);
#define all(x) x.begin(), x.end()
#define endl '\n'
namespace {
const int N=200005;
const int INF=1e9;
int n,m;
vector<pair<int,int>> adj[N];
vector<int> a(N),b(N),vis(N),ans(N),rec; //ax+b
int x=INF;
void dfs(int k){
vis[k]=1;
rec.push_back(k);
for(auto [e,f]:adj[k]){
if(!vis[e]){
a[e]=-a[k];
b[e]=f-b[k];
dfs(e);
}
else{
int a1=-a[k];
int b1=f-b[k];
if((a1==a[e]&&b1!=b[e])){
cout<<"NO"<<endl;
exit(0);
}
if(a1!=a[e]){
int x1=(b1-b[e])/(a[e]-a1);
if(x==INF){
x=x1;
}
else if(x!=x1){
cout<<"NO"<<endl;
exit(0);
}
}
}
}
}
int32_t main1() {
LCBorz;
cin>>n>>m;
for(int i=0;i<m;i++){
int a,b,c;cin>>a>>b>>c;
adj[a].push_back({b,c<<1});
adj[b].push_back({a,c<<1});
}
for(int i=1;i<=n;i++){
if(!vis[i]){
x=INF;
a[i]=1;
rec.clear();
dfs(i);
if(x==INF){
vector<int> t;
for(int j:rec){
t.push_back(-a[j]*b[j]);
}
sort(all(t));
int sz=rec.size();
x=t[sz/2];
}
for(int j:rec){
ans[j]=a[j]*x+b[j];
}
}
}
cout<<"YES"<<endl;
for(int i=1;i<=n;i++){
if(ans[i]<0){
cout<<'-';
}
cout<<abs(ans[i])/2<<'.'<<(ans[i]&1)*5<<' ';
}
cout<<endl;
return 0;
}
}
int main(){
main1();
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
8280 KB |
answer = YES |
2 |
Correct |
4 ms |
8284 KB |
answer = YES |
3 |
Correct |
3 ms |
8280 KB |
answer = YES |
4 |
Correct |
4 ms |
8280 KB |
answer = NO |
5 |
Correct |
4 ms |
8284 KB |
answer = YES |
6 |
Correct |
3 ms |
8280 KB |
answer = YES |
7 |
Correct |
3 ms |
8284 KB |
answer = YES |
8 |
Correct |
3 ms |
8284 KB |
answer = YES |
9 |
Correct |
4 ms |
8284 KB |
answer = NO |
10 |
Correct |
3 ms |
8280 KB |
answer = YES |
11 |
Correct |
3 ms |
8284 KB |
answer = YES |
12 |
Correct |
3 ms |
8284 KB |
answer = NO |
13 |
Correct |
4 ms |
8284 KB |
answer = YES |
14 |
Correct |
3 ms |
8208 KB |
answer = YES |
15 |
Correct |
4 ms |
8284 KB |
answer = YES |
16 |
Correct |
4 ms |
8284 KB |
answer = YES |
17 |
Correct |
3 ms |
8284 KB |
answer = YES |
18 |
Correct |
4 ms |
8284 KB |
answer = YES |
19 |
Correct |
3 ms |
8280 KB |
answer = YES |
20 |
Correct |
4 ms |
8280 KB |
answer = YES |
21 |
Correct |
4 ms |
8284 KB |
answer = YES |
22 |
Correct |
3 ms |
8284 KB |
answer = NO |
23 |
Correct |
3 ms |
8284 KB |
answer = NO |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
8280 KB |
answer = YES |
2 |
Correct |
4 ms |
8284 KB |
answer = YES |
3 |
Correct |
3 ms |
8280 KB |
answer = YES |
4 |
Correct |
4 ms |
8280 KB |
answer = NO |
5 |
Correct |
4 ms |
8284 KB |
answer = YES |
6 |
Correct |
3 ms |
8280 KB |
answer = YES |
7 |
Correct |
3 ms |
8284 KB |
answer = YES |
8 |
Correct |
3 ms |
8284 KB |
answer = YES |
9 |
Correct |
4 ms |
8284 KB |
answer = NO |
10 |
Correct |
3 ms |
8280 KB |
answer = YES |
11 |
Correct |
3 ms |
8284 KB |
answer = YES |
12 |
Correct |
3 ms |
8284 KB |
answer = NO |
13 |
Correct |
4 ms |
8284 KB |
answer = YES |
14 |
Correct |
3 ms |
8208 KB |
answer = YES |
15 |
Correct |
4 ms |
8284 KB |
answer = YES |
16 |
Correct |
4 ms |
8284 KB |
answer = YES |
17 |
Correct |
3 ms |
8284 KB |
answer = YES |
18 |
Correct |
4 ms |
8284 KB |
answer = YES |
19 |
Correct |
3 ms |
8280 KB |
answer = YES |
20 |
Correct |
4 ms |
8280 KB |
answer = YES |
21 |
Correct |
4 ms |
8284 KB |
answer = YES |
22 |
Correct |
3 ms |
8284 KB |
answer = NO |
23 |
Correct |
3 ms |
8284 KB |
answer = NO |
24 |
Correct |
3 ms |
8284 KB |
answer = YES |
25 |
Correct |
3 ms |
8280 KB |
answer = YES |
26 |
Correct |
3 ms |
8284 KB |
answer = YES |
27 |
Correct |
4 ms |
8284 KB |
answer = YES |
28 |
Correct |
4 ms |
8280 KB |
answer = YES |
29 |
Correct |
4 ms |
8280 KB |
answer = YES |
30 |
Correct |
5 ms |
8284 KB |
answer = NO |
31 |
Correct |
3 ms |
8280 KB |
answer = YES |
32 |
Correct |
3 ms |
8284 KB |
answer = YES |
33 |
Correct |
4 ms |
8284 KB |
answer = YES |
34 |
Correct |
3 ms |
8284 KB |
answer = YES |
35 |
Correct |
4 ms |
8284 KB |
answer = YES |
36 |
Correct |
3 ms |
8284 KB |
answer = YES |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
8280 KB |
answer = YES |
2 |
Correct |
4 ms |
8284 KB |
answer = YES |
3 |
Correct |
3 ms |
8280 KB |
answer = YES |
4 |
Correct |
4 ms |
8280 KB |
answer = NO |
5 |
Correct |
4 ms |
8284 KB |
answer = YES |
6 |
Correct |
3 ms |
8280 KB |
answer = YES |
7 |
Correct |
3 ms |
8284 KB |
answer = YES |
8 |
Correct |
3 ms |
8284 KB |
answer = YES |
9 |
Correct |
4 ms |
8284 KB |
answer = NO |
10 |
Correct |
3 ms |
8280 KB |
answer = YES |
11 |
Correct |
3 ms |
8284 KB |
answer = YES |
12 |
Correct |
3 ms |
8284 KB |
answer = NO |
13 |
Correct |
4 ms |
8284 KB |
answer = YES |
14 |
Correct |
3 ms |
8208 KB |
answer = YES |
15 |
Correct |
4 ms |
8284 KB |
answer = YES |
16 |
Correct |
4 ms |
8284 KB |
answer = YES |
17 |
Correct |
3 ms |
8284 KB |
answer = YES |
18 |
Correct |
4 ms |
8284 KB |
answer = YES |
19 |
Correct |
3 ms |
8280 KB |
answer = YES |
20 |
Correct |
4 ms |
8280 KB |
answer = YES |
21 |
Correct |
4 ms |
8284 KB |
answer = YES |
22 |
Correct |
3 ms |
8284 KB |
answer = NO |
23 |
Correct |
3 ms |
8284 KB |
answer = NO |
24 |
Correct |
3 ms |
8284 KB |
answer = YES |
25 |
Correct |
3 ms |
8280 KB |
answer = YES |
26 |
Correct |
3 ms |
8284 KB |
answer = YES |
27 |
Correct |
4 ms |
8284 KB |
answer = YES |
28 |
Correct |
4 ms |
8280 KB |
answer = YES |
29 |
Correct |
4 ms |
8280 KB |
answer = YES |
30 |
Correct |
5 ms |
8284 KB |
answer = NO |
31 |
Correct |
3 ms |
8280 KB |
answer = YES |
32 |
Correct |
3 ms |
8284 KB |
answer = YES |
33 |
Correct |
4 ms |
8284 KB |
answer = YES |
34 |
Correct |
3 ms |
8284 KB |
answer = YES |
35 |
Correct |
4 ms |
8284 KB |
answer = YES |
36 |
Correct |
3 ms |
8284 KB |
answer = YES |
37 |
Correct |
4 ms |
8284 KB |
answer = YES |
38 |
Correct |
4 ms |
8284 KB |
answer = YES |
39 |
Correct |
4 ms |
8284 KB |
answer = YES |
40 |
Correct |
4 ms |
8284 KB |
answer = YES |
41 |
Correct |
4 ms |
8280 KB |
answer = NO |
42 |
Correct |
4 ms |
8280 KB |
answer = YES |
43 |
Correct |
4 ms |
8284 KB |
answer = YES |
44 |
Correct |
4 ms |
8280 KB |
answer = YES |
45 |
Correct |
4 ms |
8284 KB |
answer = YES |
46 |
Correct |
3 ms |
8284 KB |
answer = YES |
47 |
Correct |
4 ms |
8284 KB |
answer = YES |
48 |
Correct |
4 ms |
8284 KB |
answer = YES |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
8280 KB |
answer = YES |
2 |
Correct |
4 ms |
8284 KB |
answer = YES |
3 |
Correct |
3 ms |
8280 KB |
answer = YES |
4 |
Correct |
4 ms |
8280 KB |
answer = NO |
5 |
Correct |
4 ms |
8284 KB |
answer = YES |
6 |
Correct |
3 ms |
8280 KB |
answer = YES |
7 |
Correct |
3 ms |
8284 KB |
answer = YES |
8 |
Correct |
3 ms |
8284 KB |
answer = YES |
9 |
Correct |
4 ms |
8284 KB |
answer = NO |
10 |
Correct |
3 ms |
8280 KB |
answer = YES |
11 |
Correct |
3 ms |
8284 KB |
answer = YES |
12 |
Correct |
3 ms |
8284 KB |
answer = NO |
13 |
Correct |
4 ms |
8284 KB |
answer = YES |
14 |
Correct |
3 ms |
8208 KB |
answer = YES |
15 |
Correct |
4 ms |
8284 KB |
answer = YES |
16 |
Correct |
4 ms |
8284 KB |
answer = YES |
17 |
Correct |
3 ms |
8284 KB |
answer = YES |
18 |
Correct |
4 ms |
8284 KB |
answer = YES |
19 |
Correct |
3 ms |
8280 KB |
answer = YES |
20 |
Correct |
4 ms |
8280 KB |
answer = YES |
21 |
Correct |
4 ms |
8284 KB |
answer = YES |
22 |
Correct |
3 ms |
8284 KB |
answer = NO |
23 |
Correct |
3 ms |
8284 KB |
answer = NO |
24 |
Correct |
3 ms |
8284 KB |
answer = YES |
25 |
Correct |
3 ms |
8280 KB |
answer = YES |
26 |
Correct |
3 ms |
8284 KB |
answer = YES |
27 |
Correct |
4 ms |
8284 KB |
answer = YES |
28 |
Correct |
4 ms |
8280 KB |
answer = YES |
29 |
Correct |
4 ms |
8280 KB |
answer = YES |
30 |
Correct |
5 ms |
8284 KB |
answer = NO |
31 |
Correct |
3 ms |
8280 KB |
answer = YES |
32 |
Correct |
3 ms |
8284 KB |
answer = YES |
33 |
Correct |
4 ms |
8284 KB |
answer = YES |
34 |
Correct |
3 ms |
8284 KB |
answer = YES |
35 |
Correct |
4 ms |
8284 KB |
answer = YES |
36 |
Correct |
3 ms |
8284 KB |
answer = YES |
37 |
Correct |
4 ms |
8284 KB |
answer = YES |
38 |
Correct |
4 ms |
8284 KB |
answer = YES |
39 |
Correct |
4 ms |
8284 KB |
answer = YES |
40 |
Correct |
4 ms |
8284 KB |
answer = YES |
41 |
Correct |
4 ms |
8280 KB |
answer = NO |
42 |
Correct |
4 ms |
8280 KB |
answer = YES |
43 |
Correct |
4 ms |
8284 KB |
answer = YES |
44 |
Correct |
4 ms |
8280 KB |
answer = YES |
45 |
Correct |
4 ms |
8284 KB |
answer = YES |
46 |
Correct |
3 ms |
8284 KB |
answer = YES |
47 |
Correct |
4 ms |
8284 KB |
answer = YES |
48 |
Correct |
4 ms |
8284 KB |
answer = YES |
49 |
Correct |
9 ms |
8796 KB |
answer = YES |
50 |
Correct |
7 ms |
9048 KB |
answer = YES |
51 |
Correct |
8 ms |
9308 KB |
answer = YES |
52 |
Correct |
6 ms |
8540 KB |
answer = NO |
53 |
Correct |
4 ms |
8280 KB |
answer = YES |
54 |
Correct |
4 ms |
8280 KB |
answer = YES |
55 |
Correct |
6 ms |
8540 KB |
answer = YES |
56 |
Correct |
8 ms |
8796 KB |
answer = YES |
57 |
Correct |
7 ms |
8536 KB |
answer = YES |
58 |
Correct |
7 ms |
8540 KB |
answer = YES |
59 |
Correct |
6 ms |
8540 KB |
answer = YES |
60 |
Correct |
7 ms |
8796 KB |
answer = YES |
61 |
Correct |
5 ms |
8540 KB |
answer = YES |
62 |
Correct |
40 ms |
12884 KB |
answer = NO |
63 |
Correct |
45 ms |
13648 KB |
answer = YES |
64 |
Correct |
43 ms |
13652 KB |
answer = NO |
65 |
Correct |
43 ms |
13652 KB |
answer = YES |
66 |
Correct |
4 ms |
8284 KB |
answer = YES |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
8280 KB |
answer = YES |
2 |
Correct |
4 ms |
8284 KB |
answer = YES |
3 |
Correct |
3 ms |
8280 KB |
answer = YES |
4 |
Correct |
4 ms |
8280 KB |
answer = NO |
5 |
Correct |
4 ms |
8284 KB |
answer = YES |
6 |
Correct |
3 ms |
8280 KB |
answer = YES |
7 |
Correct |
3 ms |
8284 KB |
answer = YES |
8 |
Correct |
3 ms |
8284 KB |
answer = YES |
9 |
Correct |
4 ms |
8284 KB |
answer = NO |
10 |
Correct |
3 ms |
8280 KB |
answer = YES |
11 |
Correct |
3 ms |
8284 KB |
answer = YES |
12 |
Correct |
3 ms |
8284 KB |
answer = NO |
13 |
Correct |
4 ms |
8284 KB |
answer = YES |
14 |
Correct |
3 ms |
8208 KB |
answer = YES |
15 |
Correct |
4 ms |
8284 KB |
answer = YES |
16 |
Correct |
4 ms |
8284 KB |
answer = YES |
17 |
Correct |
3 ms |
8284 KB |
answer = YES |
18 |
Correct |
4 ms |
8284 KB |
answer = YES |
19 |
Correct |
3 ms |
8280 KB |
answer = YES |
20 |
Correct |
4 ms |
8280 KB |
answer = YES |
21 |
Correct |
4 ms |
8284 KB |
answer = YES |
22 |
Correct |
3 ms |
8284 KB |
answer = NO |
23 |
Correct |
3 ms |
8284 KB |
answer = NO |
24 |
Correct |
3 ms |
8284 KB |
answer = YES |
25 |
Correct |
3 ms |
8280 KB |
answer = YES |
26 |
Correct |
3 ms |
8284 KB |
answer = YES |
27 |
Correct |
4 ms |
8284 KB |
answer = YES |
28 |
Correct |
4 ms |
8280 KB |
answer = YES |
29 |
Correct |
4 ms |
8280 KB |
answer = YES |
30 |
Correct |
5 ms |
8284 KB |
answer = NO |
31 |
Correct |
3 ms |
8280 KB |
answer = YES |
32 |
Correct |
3 ms |
8284 KB |
answer = YES |
33 |
Correct |
4 ms |
8284 KB |
answer = YES |
34 |
Correct |
3 ms |
8284 KB |
answer = YES |
35 |
Correct |
4 ms |
8284 KB |
answer = YES |
36 |
Correct |
3 ms |
8284 KB |
answer = YES |
37 |
Correct |
4 ms |
8284 KB |
answer = YES |
38 |
Correct |
4 ms |
8284 KB |
answer = YES |
39 |
Correct |
4 ms |
8284 KB |
answer = YES |
40 |
Correct |
4 ms |
8284 KB |
answer = YES |
41 |
Correct |
4 ms |
8280 KB |
answer = NO |
42 |
Correct |
4 ms |
8280 KB |
answer = YES |
43 |
Correct |
4 ms |
8284 KB |
answer = YES |
44 |
Correct |
4 ms |
8280 KB |
answer = YES |
45 |
Correct |
4 ms |
8284 KB |
answer = YES |
46 |
Correct |
3 ms |
8284 KB |
answer = YES |
47 |
Correct |
4 ms |
8284 KB |
answer = YES |
48 |
Correct |
4 ms |
8284 KB |
answer = YES |
49 |
Correct |
9 ms |
8796 KB |
answer = YES |
50 |
Correct |
7 ms |
9048 KB |
answer = YES |
51 |
Correct |
8 ms |
9308 KB |
answer = YES |
52 |
Correct |
6 ms |
8540 KB |
answer = NO |
53 |
Correct |
4 ms |
8280 KB |
answer = YES |
54 |
Correct |
4 ms |
8280 KB |
answer = YES |
55 |
Correct |
6 ms |
8540 KB |
answer = YES |
56 |
Correct |
8 ms |
8796 KB |
answer = YES |
57 |
Correct |
7 ms |
8536 KB |
answer = YES |
58 |
Correct |
7 ms |
8540 KB |
answer = YES |
59 |
Correct |
6 ms |
8540 KB |
answer = YES |
60 |
Correct |
7 ms |
8796 KB |
answer = YES |
61 |
Correct |
5 ms |
8540 KB |
answer = YES |
62 |
Correct |
40 ms |
12884 KB |
answer = NO |
63 |
Correct |
45 ms |
13648 KB |
answer = YES |
64 |
Correct |
43 ms |
13652 KB |
answer = NO |
65 |
Correct |
43 ms |
13652 KB |
answer = YES |
66 |
Correct |
4 ms |
8284 KB |
answer = YES |
67 |
Correct |
47 ms |
21964 KB |
answer = YES |
68 |
Correct |
50 ms |
21948 KB |
answer = YES |
69 |
Correct |
47 ms |
21704 KB |
answer = YES |
70 |
Correct |
72 ms |
24800 KB |
answer = YES |
71 |
Correct |
47 ms |
21700 KB |
answer = YES |
72 |
Correct |
53 ms |
13004 KB |
answer = YES |
73 |
Correct |
54 ms |
12744 KB |
answer = YES |
74 |
Correct |
34 ms |
15748 KB |
answer = YES |
75 |
Correct |
22 ms |
12892 KB |
answer = NO |
76 |
Correct |
8 ms |
8796 KB |
answer = YES |
77 |
Correct |
13 ms |
9464 KB |
answer = YES |
78 |
Correct |
22 ms |
10464 KB |
answer = YES |
79 |
Correct |
43 ms |
12408 KB |
answer = YES |
80 |
Correct |
40 ms |
15952 KB |
answer = YES |
81 |
Correct |
34 ms |
16720 KB |
answer = NO |
82 |
Correct |
50 ms |
20936 KB |
answer = YES |
83 |
Correct |
55 ms |
21704 KB |
answer = YES |
84 |
Correct |
57 ms |
21960 KB |
answer = YES |
85 |
Correct |
49 ms |
21968 KB |
answer = YES |
86 |
Correct |
47 ms |
21940 KB |
answer = YES |
87 |
Correct |
35 ms |
14168 KB |
answer = NO |
88 |
Correct |
61 ms |
16076 KB |
answer = YES |
89 |
Correct |
40 ms |
11600 KB |
answer = YES |
90 |
Correct |
44 ms |
11600 KB |
answer = YES |
91 |
Correct |
41 ms |
11600 KB |
answer = YES |
92 |
Correct |
22 ms |
10720 KB |
answer = YES |
93 |
Correct |
22 ms |
10460 KB |
answer = YES |
94 |
Correct |
44 ms |
21192 KB |
answer = NO |
95 |
Correct |
48 ms |
11604 KB |
answer = NO |
96 |
Correct |
94 ms |
20940 KB |
answer = YES |
97 |
Correct |
33 ms |
21200 KB |
answer = NO |