#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int n,m,s,d,a,b;
vector<int> muchii[200005];
int dist[5][200005];
void bfs(int start,int index)
{
for(int i=1;i<=n;i++)
dist[index][i]=1e9;
dist[index][start]=0;
queue<int> coada;
coada.push(start);
while(!coada.empty())
{
int nod=coada.front();
coada.pop();
for(int i:muchii[nod])
if(dist[index][i]>dist[index][nod]+1)
{
dist[index][i]=dist[index][nod]+1;
coada.push(i);
}
}
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(0);
cin>>n>>m>>s>>d>>a>>b;
for(int i=1;i<=m;i++)
{
int x,y;
cin>>x>>y;
muchii[x].push_back(y);
muchii[y].push_back(x);
}
bfs(a,1);
bfs(b,2);
bfs(d,3);
bfs(s,4);
int minim=1e9;
for(int i=1;i<=n;i++)
{
bool good;
if(dist[4][i]<=1)
good=1;
else
{
good=0;
if(dist[1][i]>=dist[1][s])
{
if(dist[2][i]+1>=dist[2][s])
good=1;
}
if(dist[2][i]>=dist[2][s])
{
if(dist[1][i]+1>=dist[1][s])
good=1;
}
}
if(!good)
minim=min(minim,dist[3][i]-2);
}
cout<<0;
return 0;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 2 |
Incorrect |
3 ms |
4948 KB |
Output isn't correct |
| 3 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 4 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 5 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 6 |
Incorrect |
3 ms |
4948 KB |
Output isn't correct |
| 7 |
Incorrect |
3 ms |
4948 KB |
Output isn't correct |
| 8 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 9 |
Incorrect |
3 ms |
4948 KB |
Output isn't correct |
| 10 |
Incorrect |
2 ms |
4948 KB |
Output isn't correct |
| 11 |
Partially correct |
3 ms |
4948 KB |
Partially correct |
| 12 |
Incorrect |
3 ms |
5076 KB |
Output isn't correct |
| 13 |
Incorrect |
3 ms |
5076 KB |
Output isn't correct |
| 14 |
Incorrect |
3 ms |
4948 KB |
Output isn't correct |
| 15 |
Incorrect |
3 ms |
4948 KB |
Output isn't correct |
| 16 |
Incorrect |
4 ms |
5076 KB |
Output isn't correct |
| 17 |
Incorrect |
4 ms |
5076 KB |
Output isn't correct |
| 18 |
Incorrect |
3 ms |
5060 KB |
Output isn't correct |
| 19 |
Incorrect |
4 ms |
5076 KB |
Output isn't correct |
| 20 |
Incorrect |
4 ms |
5076 KB |
Output isn't correct |
| 21 |
Incorrect |
3 ms |
5076 KB |
Output isn't correct |
| 22 |
Incorrect |
4 ms |
5076 KB |
Output isn't correct |
| 23 |
Incorrect |
3 ms |
5076 KB |
Output isn't correct |
| 24 |
Correct |
4 ms |
5076 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
20 ms |
6956 KB |
Output isn't correct |
| 2 |
Incorrect |
27 ms |
7744 KB |
Output isn't correct |
| 3 |
Incorrect |
24 ms |
6996 KB |
Output isn't correct |
| 4 |
Incorrect |
26 ms |
7892 KB |
Output isn't correct |
| 5 |
Incorrect |
20 ms |
6844 KB |
Output isn't correct |
| 6 |
Incorrect |
24 ms |
7080 KB |
Output isn't correct |
| 7 |
Incorrect |
25 ms |
7280 KB |
Output isn't correct |
| 8 |
Incorrect |
24 ms |
7252 KB |
Output isn't correct |
| 9 |
Incorrect |
42 ms |
7712 KB |
Output isn't correct |
| 10 |
Incorrect |
113 ms |
12108 KB |
Output isn't correct |
| 11 |
Incorrect |
49 ms |
9292 KB |
Output isn't correct |
| 12 |
Incorrect |
63 ms |
10356 KB |
Output isn't correct |
| 13 |
Incorrect |
75 ms |
9532 KB |
Output isn't correct |
| 14 |
Incorrect |
40 ms |
8828 KB |
Output isn't correct |
| 15 |
Incorrect |
68 ms |
10384 KB |
Output isn't correct |
| 16 |
Incorrect |
63 ms |
10660 KB |
Output isn't correct |
| 17 |
Incorrect |
62 ms |
10160 KB |
Output isn't correct |
| 18 |
Incorrect |
59 ms |
10096 KB |
Output isn't correct |
| 19 |
Incorrect |
83 ms |
11340 KB |
Output isn't correct |
| 20 |
Incorrect |
168 ms |
14188 KB |
Output isn't correct |
| 21 |
Incorrect |
93 ms |
12596 KB |
Output isn't correct |
| 22 |
Incorrect |
91 ms |
11524 KB |
Output isn't correct |
| 23 |
Incorrect |
91 ms |
12372 KB |
Output isn't correct |
| 24 |
Incorrect |
81 ms |
12272 KB |
Output isn't correct |
| 25 |
Incorrect |
91 ms |
12116 KB |
Output isn't correct |
| 26 |
Incorrect |
90 ms |
11540 KB |
Output isn't correct |
| 27 |
Incorrect |
106 ms |
12532 KB |
Output isn't correct |
| 28 |
Incorrect |
98 ms |
12564 KB |
Output isn't correct |
| 29 |
Incorrect |
125 ms |
12984 KB |
Output isn't correct |
| 30 |
Incorrect |
170 ms |
15020 KB |
Output isn't correct |
| 31 |
Incorrect |
127 ms |
13696 KB |
Output isn't correct |
| 32 |
Incorrect |
112 ms |
12356 KB |
Output isn't correct |
| 33 |
Incorrect |
92 ms |
12744 KB |
Output isn't correct |
| 34 |
Incorrect |
108 ms |
13064 KB |
Output isn't correct |
| 35 |
Incorrect |
93 ms |
12744 KB |
Output isn't correct |
| 36 |
Incorrect |
93 ms |
13072 KB |
Output isn't correct |
| 37 |
Incorrect |
165 ms |
14072 KB |
Output isn't correct |
| 38 |
Incorrect |
126 ms |
13948 KB |
Output isn't correct |
| 39 |
Incorrect |
140 ms |
13888 KB |
Output isn't correct |
| 40 |
Incorrect |
208 ms |
15548 KB |
Output isn't correct |
| 41 |
Incorrect |
231 ms |
17556 KB |
Output isn't correct |
