# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
558363 |
2022-05-07T07:32:50 Z |
hibiki |
Graph (BOI20_graph) |
C++11 |
|
147 ms |
22476 KB |
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define F first
#define S second
int n,m;
int na[100005],nb[100005];
double x,ans[100005];
bool done[100005],found;
vector<int> has;
vector<pair<int,int> > v[100005];
void dfs(int nw, int fa)
{
has.pb(nw);
for(pair<int,int> go: v[nw])
{
if(go.F == fa) continue;
int ga = na[nw] * -1, gb = go.S - nb[nw];
if(!done[go.F])
{
done[go.F] = true;
na[go.F] = ga;
nb[go.F] = gb;
dfs(go.F,nw);
}
else if(na[go.F] != ga)
{
double temp = (double)(nb[go.F] - gb) / (double)(ga - na[go.F]);
if(found && temp != x)
{
printf("NO\n");
exit(0);
}
x = temp;
found = true;
}
else if(nb[go.F] != gb)
{
printf("NO\n");
exit(0);
}
}
}
int main()
{
scanf("%d %d",&n,&m);
for(int i = 0; i < m; i++)
{
int a,b,c;
scanf("%d %d %d",&a,&b,&c);
v[a].pb({b,c});
v[b].pb({a,c});
}
for(int i = 1; i <= n; i++)
{
if(done[i]) continue;
has.clear();
found = false;
done[i] = true;
na[i] = 1;
nb[i] = 0;
dfs(i,-1);
if(!found)
{
vector<int> ss;
for(int po: has)
ss.pb(-na[po] * nb[po]);
sort(ss.begin(),ss.end());
x = (double)ss[ss.size() / 2];
}
for(int po: has)
ans[po] = na[po] * x + nb[po];
}
printf("YES\n");
for(int i = 1; i <= n; i++)
printf("%lf ",ans[i]);
printf("\n");
return 0;
}
Compilation message
Graph.cpp: In function 'int main()':
Graph.cpp:53:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
53 | scanf("%d %d",&n,&m);
| ~~~~~^~~~~~~~~~~~~~~
Graph.cpp:57:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
57 | scanf("%d %d %d",&a,&b,&c);
| ~~~~~^~~~~~~~~~~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
2644 KB |
answer = YES |
2 |
Correct |
2 ms |
2644 KB |
answer = YES |
3 |
Correct |
2 ms |
2644 KB |
answer = YES |
4 |
Correct |
1 ms |
2644 KB |
answer = NO |
5 |
Correct |
1 ms |
2644 KB |
answer = YES |
6 |
Correct |
2 ms |
2644 KB |
answer = YES |
7 |
Correct |
2 ms |
2644 KB |
answer = YES |
8 |
Correct |
1 ms |
2644 KB |
answer = YES |
9 |
Correct |
1 ms |
2644 KB |
answer = NO |
10 |
Correct |
1 ms |
2644 KB |
answer = YES |
11 |
Correct |
2 ms |
2644 KB |
answer = YES |
12 |
Correct |
2 ms |
2644 KB |
answer = NO |
13 |
Correct |
1 ms |
2644 KB |
answer = YES |
14 |
Correct |
1 ms |
2644 KB |
answer = YES |
15 |
Correct |
1 ms |
2644 KB |
answer = YES |
16 |
Correct |
1 ms |
2644 KB |
answer = YES |
17 |
Correct |
2 ms |
2644 KB |
answer = YES |
18 |
Correct |
2 ms |
2644 KB |
answer = YES |
19 |
Correct |
3 ms |
2648 KB |
answer = YES |
20 |
Correct |
2 ms |
2656 KB |
answer = YES |
21 |
Correct |
3 ms |
2644 KB |
answer = YES |
22 |
Correct |
2 ms |
2644 KB |
answer = NO |
23 |
Correct |
2 ms |
2644 KB |
answer = NO |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
2644 KB |
answer = YES |
2 |
Correct |
2 ms |
2644 KB |
answer = YES |
3 |
Correct |
2 ms |
2644 KB |
answer = YES |
4 |
Correct |
1 ms |
2644 KB |
answer = NO |
5 |
Correct |
1 ms |
2644 KB |
answer = YES |
6 |
Correct |
2 ms |
2644 KB |
answer = YES |
7 |
Correct |
2 ms |
2644 KB |
answer = YES |
8 |
Correct |
1 ms |
2644 KB |
answer = YES |
9 |
Correct |
1 ms |
2644 KB |
answer = NO |
10 |
Correct |
1 ms |
2644 KB |
answer = YES |
11 |
Correct |
2 ms |
2644 KB |
answer = YES |
12 |
Correct |
2 ms |
2644 KB |
answer = NO |
13 |
Correct |
1 ms |
2644 KB |
answer = YES |
14 |
Correct |
1 ms |
2644 KB |
answer = YES |
15 |
Correct |
1 ms |
2644 KB |
answer = YES |
16 |
Correct |
1 ms |
2644 KB |
answer = YES |
17 |
Correct |
2 ms |
2644 KB |
answer = YES |
18 |
Correct |
2 ms |
2644 KB |
answer = YES |
19 |
Correct |
3 ms |
2648 KB |
answer = YES |
20 |
Correct |
2 ms |
2656 KB |
answer = YES |
21 |
Correct |
3 ms |
2644 KB |
answer = YES |
22 |
Correct |
2 ms |
2644 KB |
answer = NO |
23 |
Correct |
2 ms |
2644 KB |
answer = NO |
24 |
Correct |
2 ms |
2644 KB |
answer = YES |
25 |
Correct |
2 ms |
2644 KB |
answer = YES |
26 |
Correct |
2 ms |
2644 KB |
answer = YES |
27 |
Correct |
2 ms |
2660 KB |
answer = YES |
28 |
Correct |
3 ms |
2644 KB |
answer = YES |
29 |
Correct |
2 ms |
2644 KB |
answer = YES |
30 |
Correct |
2 ms |
2644 KB |
answer = NO |
31 |
Correct |
2 ms |
2644 KB |
answer = YES |
32 |
Correct |
2 ms |
2660 KB |
answer = YES |
33 |
Correct |
2 ms |
2644 KB |
answer = YES |
34 |
Correct |
2 ms |
2644 KB |
answer = YES |
35 |
Correct |
2 ms |
2644 KB |
answer = YES |
36 |
Correct |
2 ms |
2660 KB |
answer = YES |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
2644 KB |
answer = YES |
2 |
Correct |
2 ms |
2644 KB |
answer = YES |
3 |
Correct |
2 ms |
2644 KB |
answer = YES |
4 |
Correct |
1 ms |
2644 KB |
answer = NO |
5 |
Correct |
1 ms |
2644 KB |
answer = YES |
6 |
Correct |
2 ms |
2644 KB |
answer = YES |
7 |
Correct |
2 ms |
2644 KB |
answer = YES |
8 |
Correct |
1 ms |
2644 KB |
answer = YES |
9 |
Correct |
1 ms |
2644 KB |
answer = NO |
10 |
Correct |
1 ms |
2644 KB |
answer = YES |
11 |
Correct |
2 ms |
2644 KB |
answer = YES |
12 |
Correct |
2 ms |
2644 KB |
answer = NO |
13 |
Correct |
1 ms |
2644 KB |
answer = YES |
14 |
Correct |
1 ms |
2644 KB |
answer = YES |
15 |
Correct |
1 ms |
2644 KB |
answer = YES |
16 |
Correct |
1 ms |
2644 KB |
answer = YES |
17 |
Correct |
2 ms |
2644 KB |
answer = YES |
18 |
Correct |
2 ms |
2644 KB |
answer = YES |
19 |
Correct |
3 ms |
2648 KB |
answer = YES |
20 |
Correct |
2 ms |
2656 KB |
answer = YES |
21 |
Correct |
3 ms |
2644 KB |
answer = YES |
22 |
Correct |
2 ms |
2644 KB |
answer = NO |
23 |
Correct |
2 ms |
2644 KB |
answer = NO |
24 |
Correct |
2 ms |
2644 KB |
answer = YES |
25 |
Correct |
2 ms |
2644 KB |
answer = YES |
26 |
Correct |
2 ms |
2644 KB |
answer = YES |
27 |
Correct |
2 ms |
2660 KB |
answer = YES |
28 |
Correct |
3 ms |
2644 KB |
answer = YES |
29 |
Correct |
2 ms |
2644 KB |
answer = YES |
30 |
Correct |
2 ms |
2644 KB |
answer = NO |
31 |
Correct |
2 ms |
2644 KB |
answer = YES |
32 |
Correct |
2 ms |
2660 KB |
answer = YES |
33 |
Correct |
2 ms |
2644 KB |
answer = YES |
34 |
Correct |
2 ms |
2644 KB |
answer = YES |
35 |
Correct |
2 ms |
2644 KB |
answer = YES |
36 |
Correct |
2 ms |
2660 KB |
answer = YES |
37 |
Correct |
2 ms |
2644 KB |
answer = YES |
38 |
Correct |
2 ms |
2652 KB |
answer = YES |
39 |
Correct |
2 ms |
2644 KB |
answer = YES |
40 |
Correct |
2 ms |
2664 KB |
answer = YES |
41 |
Correct |
2 ms |
2664 KB |
answer = NO |
42 |
Correct |
3 ms |
2644 KB |
answer = YES |
43 |
Correct |
3 ms |
2644 KB |
answer = YES |
44 |
Correct |
2 ms |
2644 KB |
answer = YES |
45 |
Correct |
2 ms |
2644 KB |
answer = YES |
46 |
Correct |
2 ms |
2660 KB |
answer = YES |
47 |
Correct |
2 ms |
2644 KB |
answer = YES |
48 |
Correct |
2 ms |
2644 KB |
answer = YES |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
2644 KB |
answer = YES |
2 |
Correct |
2 ms |
2644 KB |
answer = YES |
3 |
Correct |
2 ms |
2644 KB |
answer = YES |
4 |
Correct |
1 ms |
2644 KB |
answer = NO |
5 |
Correct |
1 ms |
2644 KB |
answer = YES |
6 |
Correct |
2 ms |
2644 KB |
answer = YES |
7 |
Correct |
2 ms |
2644 KB |
answer = YES |
8 |
Correct |
1 ms |
2644 KB |
answer = YES |
9 |
Correct |
1 ms |
2644 KB |
answer = NO |
10 |
Correct |
1 ms |
2644 KB |
answer = YES |
11 |
Correct |
2 ms |
2644 KB |
answer = YES |
12 |
Correct |
2 ms |
2644 KB |
answer = NO |
13 |
Correct |
1 ms |
2644 KB |
answer = YES |
14 |
Correct |
1 ms |
2644 KB |
answer = YES |
15 |
Correct |
1 ms |
2644 KB |
answer = YES |
16 |
Correct |
1 ms |
2644 KB |
answer = YES |
17 |
Correct |
2 ms |
2644 KB |
answer = YES |
18 |
Correct |
2 ms |
2644 KB |
answer = YES |
19 |
Correct |
3 ms |
2648 KB |
answer = YES |
20 |
Correct |
2 ms |
2656 KB |
answer = YES |
21 |
Correct |
3 ms |
2644 KB |
answer = YES |
22 |
Correct |
2 ms |
2644 KB |
answer = NO |
23 |
Correct |
2 ms |
2644 KB |
answer = NO |
24 |
Correct |
2 ms |
2644 KB |
answer = YES |
25 |
Correct |
2 ms |
2644 KB |
answer = YES |
26 |
Correct |
2 ms |
2644 KB |
answer = YES |
27 |
Correct |
2 ms |
2660 KB |
answer = YES |
28 |
Correct |
3 ms |
2644 KB |
answer = YES |
29 |
Correct |
2 ms |
2644 KB |
answer = YES |
30 |
Correct |
2 ms |
2644 KB |
answer = NO |
31 |
Correct |
2 ms |
2644 KB |
answer = YES |
32 |
Correct |
2 ms |
2660 KB |
answer = YES |
33 |
Correct |
2 ms |
2644 KB |
answer = YES |
34 |
Correct |
2 ms |
2644 KB |
answer = YES |
35 |
Correct |
2 ms |
2644 KB |
answer = YES |
36 |
Correct |
2 ms |
2660 KB |
answer = YES |
37 |
Correct |
2 ms |
2644 KB |
answer = YES |
38 |
Correct |
2 ms |
2652 KB |
answer = YES |
39 |
Correct |
2 ms |
2644 KB |
answer = YES |
40 |
Correct |
2 ms |
2664 KB |
answer = YES |
41 |
Correct |
2 ms |
2664 KB |
answer = NO |
42 |
Correct |
3 ms |
2644 KB |
answer = YES |
43 |
Correct |
3 ms |
2644 KB |
answer = YES |
44 |
Correct |
2 ms |
2644 KB |
answer = YES |
45 |
Correct |
2 ms |
2644 KB |
answer = YES |
46 |
Correct |
2 ms |
2660 KB |
answer = YES |
47 |
Correct |
2 ms |
2644 KB |
answer = YES |
48 |
Correct |
2 ms |
2644 KB |
answer = YES |
49 |
Correct |
9 ms |
3540 KB |
answer = YES |
50 |
Correct |
11 ms |
3860 KB |
answer = YES |
51 |
Correct |
10 ms |
3924 KB |
answer = YES |
52 |
Correct |
6 ms |
3156 KB |
answer = NO |
53 |
Correct |
4 ms |
2664 KB |
answer = YES |
54 |
Correct |
3 ms |
2772 KB |
answer = YES |
55 |
Correct |
6 ms |
3056 KB |
answer = YES |
56 |
Correct |
12 ms |
3540 KB |
answer = YES |
57 |
Correct |
8 ms |
3308 KB |
answer = YES |
58 |
Correct |
8 ms |
3412 KB |
answer = YES |
59 |
Correct |
8 ms |
3284 KB |
answer = YES |
60 |
Correct |
9 ms |
3412 KB |
answer = YES |
61 |
Correct |
5 ms |
3008 KB |
answer = YES |
62 |
Correct |
63 ms |
9664 KB |
answer = NO |
63 |
Correct |
72 ms |
10336 KB |
answer = YES |
64 |
Correct |
85 ms |
10184 KB |
answer = NO |
65 |
Correct |
66 ms |
10344 KB |
answer = YES |
66 |
Correct |
4 ms |
2800 KB |
answer = YES |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
2644 KB |
answer = YES |
2 |
Correct |
2 ms |
2644 KB |
answer = YES |
3 |
Correct |
2 ms |
2644 KB |
answer = YES |
4 |
Correct |
1 ms |
2644 KB |
answer = NO |
5 |
Correct |
1 ms |
2644 KB |
answer = YES |
6 |
Correct |
2 ms |
2644 KB |
answer = YES |
7 |
Correct |
2 ms |
2644 KB |
answer = YES |
8 |
Correct |
1 ms |
2644 KB |
answer = YES |
9 |
Correct |
1 ms |
2644 KB |
answer = NO |
10 |
Correct |
1 ms |
2644 KB |
answer = YES |
11 |
Correct |
2 ms |
2644 KB |
answer = YES |
12 |
Correct |
2 ms |
2644 KB |
answer = NO |
13 |
Correct |
1 ms |
2644 KB |
answer = YES |
14 |
Correct |
1 ms |
2644 KB |
answer = YES |
15 |
Correct |
1 ms |
2644 KB |
answer = YES |
16 |
Correct |
1 ms |
2644 KB |
answer = YES |
17 |
Correct |
2 ms |
2644 KB |
answer = YES |
18 |
Correct |
2 ms |
2644 KB |
answer = YES |
19 |
Correct |
3 ms |
2648 KB |
answer = YES |
20 |
Correct |
2 ms |
2656 KB |
answer = YES |
21 |
Correct |
3 ms |
2644 KB |
answer = YES |
22 |
Correct |
2 ms |
2644 KB |
answer = NO |
23 |
Correct |
2 ms |
2644 KB |
answer = NO |
24 |
Correct |
2 ms |
2644 KB |
answer = YES |
25 |
Correct |
2 ms |
2644 KB |
answer = YES |
26 |
Correct |
2 ms |
2644 KB |
answer = YES |
27 |
Correct |
2 ms |
2660 KB |
answer = YES |
28 |
Correct |
3 ms |
2644 KB |
answer = YES |
29 |
Correct |
2 ms |
2644 KB |
answer = YES |
30 |
Correct |
2 ms |
2644 KB |
answer = NO |
31 |
Correct |
2 ms |
2644 KB |
answer = YES |
32 |
Correct |
2 ms |
2660 KB |
answer = YES |
33 |
Correct |
2 ms |
2644 KB |
answer = YES |
34 |
Correct |
2 ms |
2644 KB |
answer = YES |
35 |
Correct |
2 ms |
2644 KB |
answer = YES |
36 |
Correct |
2 ms |
2660 KB |
answer = YES |
37 |
Correct |
2 ms |
2644 KB |
answer = YES |
38 |
Correct |
2 ms |
2652 KB |
answer = YES |
39 |
Correct |
2 ms |
2644 KB |
answer = YES |
40 |
Correct |
2 ms |
2664 KB |
answer = YES |
41 |
Correct |
2 ms |
2664 KB |
answer = NO |
42 |
Correct |
3 ms |
2644 KB |
answer = YES |
43 |
Correct |
3 ms |
2644 KB |
answer = YES |
44 |
Correct |
2 ms |
2644 KB |
answer = YES |
45 |
Correct |
2 ms |
2644 KB |
answer = YES |
46 |
Correct |
2 ms |
2660 KB |
answer = YES |
47 |
Correct |
2 ms |
2644 KB |
answer = YES |
48 |
Correct |
2 ms |
2644 KB |
answer = YES |
49 |
Correct |
9 ms |
3540 KB |
answer = YES |
50 |
Correct |
11 ms |
3860 KB |
answer = YES |
51 |
Correct |
10 ms |
3924 KB |
answer = YES |
52 |
Correct |
6 ms |
3156 KB |
answer = NO |
53 |
Correct |
4 ms |
2664 KB |
answer = YES |
54 |
Correct |
3 ms |
2772 KB |
answer = YES |
55 |
Correct |
6 ms |
3056 KB |
answer = YES |
56 |
Correct |
12 ms |
3540 KB |
answer = YES |
57 |
Correct |
8 ms |
3308 KB |
answer = YES |
58 |
Correct |
8 ms |
3412 KB |
answer = YES |
59 |
Correct |
8 ms |
3284 KB |
answer = YES |
60 |
Correct |
9 ms |
3412 KB |
answer = YES |
61 |
Correct |
5 ms |
3008 KB |
answer = YES |
62 |
Correct |
63 ms |
9664 KB |
answer = NO |
63 |
Correct |
72 ms |
10336 KB |
answer = YES |
64 |
Correct |
85 ms |
10184 KB |
answer = NO |
65 |
Correct |
66 ms |
10344 KB |
answer = YES |
66 |
Correct |
4 ms |
2800 KB |
answer = YES |
67 |
Correct |
74 ms |
18136 KB |
answer = YES |
68 |
Correct |
69 ms |
18000 KB |
answer = YES |
69 |
Correct |
77 ms |
17980 KB |
answer = YES |
70 |
Correct |
101 ms |
22476 KB |
answer = YES |
71 |
Correct |
73 ms |
17992 KB |
answer = YES |
72 |
Correct |
75 ms |
10756 KB |
answer = YES |
73 |
Correct |
111 ms |
10820 KB |
answer = YES |
74 |
Correct |
55 ms |
11752 KB |
answer = YES |
75 |
Correct |
32 ms |
8252 KB |
answer = NO |
76 |
Correct |
10 ms |
3668 KB |
answer = YES |
77 |
Correct |
20 ms |
4724 KB |
answer = YES |
78 |
Correct |
31 ms |
6200 KB |
answer = YES |
79 |
Correct |
68 ms |
9672 KB |
answer = YES |
80 |
Correct |
60 ms |
11712 KB |
answer = YES |
81 |
Correct |
60 ms |
12632 KB |
answer = NO |
82 |
Correct |
81 ms |
17488 KB |
answer = YES |
83 |
Correct |
103 ms |
18252 KB |
answer = YES |
84 |
Correct |
120 ms |
18048 KB |
answer = YES |
85 |
Correct |
76 ms |
18132 KB |
answer = YES |
86 |
Correct |
73 ms |
18144 KB |
answer = YES |
87 |
Correct |
57 ms |
11324 KB |
answer = NO |
88 |
Correct |
115 ms |
13316 KB |
answer = YES |
89 |
Correct |
74 ms |
9580 KB |
answer = YES |
90 |
Correct |
75 ms |
9604 KB |
answer = YES |
91 |
Correct |
101 ms |
9676 KB |
answer = YES |
92 |
Correct |
35 ms |
6756 KB |
answer = YES |
93 |
Correct |
35 ms |
6716 KB |
answer = YES |
94 |
Correct |
80 ms |
16276 KB |
answer = NO |
95 |
Correct |
51 ms |
8672 KB |
answer = NO |
96 |
Correct |
147 ms |
19284 KB |
answer = YES |
97 |
Correct |
54 ms |
16272 KB |
answer = NO |