#include<bits/stdc++.h>
using namespace std;
#define N 200010
#define ll long long
#define ii pair<int,int>
#define fs first
#define sc second
#define pb push_back
int dp[N][5],f[5],n,m;
vector<int>g[N];
deque<int>dq;
void build(int id)
{
dp[f[id]][id]=0;
dq.pb(f[id]);
while(!dq.empty())
{
int u=dq.front();
dq.pop_front();
for(auto v:g[u])
if(dp[v][id]>dp[u][id]+1)
{
dp[v][id]=dp[u][id]+1;
dq.pb(v);
}
}
}
int main()
{
// freopen("A.inp","r",stdin);
// freopen("A.out","w",stdout);
ios::sync_with_stdio(0);
cin.tie(NULL);
cout.tie(NULL);
cin>>n>>m>>f[1]>>f[2]>>f[3]>>f[4];
for(int i=1;i<=m;i++)
{
int u,v;
cin>>u>>v;
g[u].pb(v);
g[v].pb(u);
}
memset(dp,0x3f3f,sizeof(dp));
for(int i=1;i<=2;i++)
build(i);
int val=min(dp[f[3]][2]-dp[f[3]][1],dp[f[4]][2]-dp[f[4]][1]);
// if(val<0)
cout<<-1;
// else cout<<val;
return 0;
}
Compilation message
007.cpp: In function 'int main()':
007.cpp:50:9: warning: unused variable 'val' [-Wunused-variable]
50 | int val=min(dp[f[3]][2]-dp[f[3]][1],dp[f[4]][2]-dp[f[4]][1]);
| ^~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Partially correct |
5 ms |
8916 KB |
Partially correct |
2 |
Incorrect |
4 ms |
8916 KB |
Output isn't correct |
3 |
Partially correct |
5 ms |
8916 KB |
Partially correct |
4 |
Partially correct |
6 ms |
8916 KB |
Partially correct |
5 |
Partially correct |
5 ms |
8916 KB |
Partially correct |
6 |
Incorrect |
4 ms |
8916 KB |
Output isn't correct |
7 |
Incorrect |
4 ms |
8916 KB |
Output isn't correct |
8 |
Partially correct |
4 ms |
8916 KB |
Partially correct |
9 |
Incorrect |
4 ms |
8868 KB |
Output isn't correct |
10 |
Incorrect |
4 ms |
8916 KB |
Output isn't correct |
11 |
Incorrect |
4 ms |
8916 KB |
Output isn't correct |
12 |
Incorrect |
5 ms |
8868 KB |
Output isn't correct |
13 |
Incorrect |
5 ms |
8916 KB |
Output isn't correct |
14 |
Incorrect |
4 ms |
8916 KB |
Output isn't correct |
15 |
Incorrect |
6 ms |
8868 KB |
Output isn't correct |
16 |
Incorrect |
5 ms |
8916 KB |
Output isn't correct |
17 |
Incorrect |
5 ms |
8916 KB |
Output isn't correct |
18 |
Incorrect |
5 ms |
8880 KB |
Output isn't correct |
19 |
Incorrect |
5 ms |
8872 KB |
Output isn't correct |
20 |
Incorrect |
5 ms |
8916 KB |
Output isn't correct |
21 |
Incorrect |
6 ms |
8916 KB |
Output isn't correct |
22 |
Incorrect |
4 ms |
8916 KB |
Output isn't correct |
23 |
Incorrect |
6 ms |
8876 KB |
Output isn't correct |
24 |
Partially correct |
5 ms |
8916 KB |
Partially correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
22 ms |
10572 KB |
Output isn't correct |
2 |
Incorrect |
33 ms |
11448 KB |
Output isn't correct |
3 |
Incorrect |
22 ms |
10684 KB |
Output isn't correct |
4 |
Incorrect |
35 ms |
11448 KB |
Output isn't correct |
5 |
Incorrect |
22 ms |
10544 KB |
Output isn't correct |
6 |
Incorrect |
22 ms |
10836 KB |
Output isn't correct |
7 |
Incorrect |
26 ms |
11052 KB |
Output isn't correct |
8 |
Incorrect |
26 ms |
10928 KB |
Output isn't correct |
9 |
Incorrect |
43 ms |
11864 KB |
Output isn't correct |
10 |
Incorrect |
120 ms |
16220 KB |
Output isn't correct |
11 |
Incorrect |
55 ms |
12748 KB |
Output isn't correct |
12 |
Incorrect |
66 ms |
13628 KB |
Output isn't correct |
13 |
Incorrect |
62 ms |
13128 KB |
Output isn't correct |
14 |
Correct |
47 ms |
12364 KB |
Output is correct |
15 |
Incorrect |
54 ms |
13664 KB |
Output isn't correct |
16 |
Incorrect |
58 ms |
13888 KB |
Output isn't correct |
17 |
Incorrect |
61 ms |
13468 KB |
Output isn't correct |
18 |
Incorrect |
69 ms |
13488 KB |
Output isn't correct |
19 |
Incorrect |
88 ms |
14636 KB |
Output isn't correct |
20 |
Incorrect |
167 ms |
17380 KB |
Output isn't correct |
21 |
Incorrect |
87 ms |
15004 KB |
Output isn't correct |
22 |
Incorrect |
88 ms |
14396 KB |
Output isn't correct |
23 |
Incorrect |
87 ms |
15012 KB |
Output isn't correct |
24 |
Incorrect |
82 ms |
14972 KB |
Output isn't correct |
25 |
Incorrect |
83 ms |
14720 KB |
Output isn't correct |
26 |
Incorrect |
69 ms |
14368 KB |
Output isn't correct |
27 |
Incorrect |
85 ms |
15088 KB |
Output isn't correct |
28 |
Incorrect |
93 ms |
15044 KB |
Output isn't correct |
29 |
Incorrect |
118 ms |
15900 KB |
Output isn't correct |
30 |
Incorrect |
161 ms |
17868 KB |
Output isn't correct |
31 |
Incorrect |
105 ms |
15796 KB |
Output isn't correct |
32 |
Incorrect |
92 ms |
15028 KB |
Output isn't correct |
33 |
Incorrect |
103 ms |
15164 KB |
Output isn't correct |
34 |
Incorrect |
97 ms |
15396 KB |
Output isn't correct |
35 |
Incorrect |
76 ms |
15208 KB |
Output isn't correct |
36 |
Incorrect |
89 ms |
15332 KB |
Output isn't correct |
37 |
Incorrect |
110 ms |
16156 KB |
Output isn't correct |
38 |
Incorrect |
119 ms |
16024 KB |
Output isn't correct |
39 |
Incorrect |
124 ms |
16040 KB |
Output isn't correct |
40 |
Incorrect |
176 ms |
17708 KB |
Output isn't correct |
41 |
Incorrect |
226 ms |
19916 KB |
Output isn't correct |