| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 613880 |
2022-07-30T12:19:58 Z |
andrei_boaca |
007 (CEOI14_007) |
C++14 |
|
279 ms |
17528 KB |
#include <bits/stdc++.h>
using namespace std;
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<<max(-1,minim);
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 2 |
Partially correct |
3 ms |
4948 KB |
Partially correct |
| 3 |
Partially correct |
3 ms |
4948 KB |
Partially correct |
| 4 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 5 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 6 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 7 |
Partially correct |
2 ms |
4948 KB |
Partially correct |
| 8 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 9 |
Partially correct |
3 ms |
4948 KB |
Partially correct |
| 10 |
Correct |
3 ms |
4944 KB |
Output is correct |
| 11 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 12 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 13 |
Partially correct |
3 ms |
5076 KB |
Partially correct |
| 14 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 15 |
Correct |
4 ms |
4948 KB |
Output is correct |
| 16 |
Correct |
3 ms |
4980 KB |
Output is correct |
| 17 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 18 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 19 |
Partially correct |
3 ms |
5076 KB |
Partially correct |
| 20 |
Partially correct |
3 ms |
5076 KB |
Partially correct |
| 21 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 22 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 23 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 24 |
Correct |
5 ms |
5076 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Partially correct |
19 ms |
6868 KB |
Partially correct |
| 2 |
Correct |
33 ms |
7764 KB |
Output is correct |
| 3 |
Partially correct |
22 ms |
7048 KB |
Partially correct |
| 4 |
Correct |
37 ms |
7832 KB |
Output is correct |
| 5 |
Correct |
26 ms |
6808 KB |
Output is correct |
| 6 |
Correct |
21 ms |
7056 KB |
Output is correct |
| 7 |
Correct |
25 ms |
7292 KB |
Output is correct |
| 8 |
Correct |
25 ms |
7252 KB |
Output is correct |
| 9 |
Correct |
43 ms |
7772 KB |
Output is correct |
| 10 |
Partially correct |
121 ms |
12152 KB |
Partially correct |
| 11 |
Correct |
47 ms |
9228 KB |
Output is correct |
| 12 |
Partially correct |
90 ms |
10236 KB |
Partially correct |
| 13 |
Correct |
58 ms |
9596 KB |
Output is correct |
| 14 |
Correct |
50 ms |
8832 KB |
Output is correct |
| 15 |
Partially correct |
68 ms |
10400 KB |
Partially correct |
| 16 |
Correct |
71 ms |
10736 KB |
Output is correct |
| 17 |
Correct |
57 ms |
10108 KB |
Output is correct |
| 18 |
Correct |
69 ms |
10152 KB |
Output is correct |
| 19 |
Partially correct |
129 ms |
11348 KB |
Partially correct |
| 20 |
Correct |
177 ms |
14144 KB |
Output is correct |
| 21 |
Correct |
120 ms |
12592 KB |
Output is correct |
| 22 |
Partially correct |
91 ms |
11556 KB |
Partially correct |
| 23 |
Partially correct |
120 ms |
12448 KB |
Partially correct |
| 24 |
Partially correct |
107 ms |
12400 KB |
Partially correct |
| 25 |
Correct |
93 ms |
12052 KB |
Output is correct |
| 26 |
Partially correct |
74 ms |
11604 KB |
Partially correct |
| 27 |
Correct |
100 ms |
12456 KB |
Output is correct |
| 28 |
Correct |
116 ms |
12568 KB |
Output is correct |
| 29 |
Partially correct |
120 ms |
12940 KB |
Partially correct |
| 30 |
Correct |
177 ms |
15020 KB |
Output is correct |
| 31 |
Correct |
153 ms |
13696 KB |
Output is correct |
| 32 |
Partially correct |
105 ms |
12392 KB |
Partially correct |
| 33 |
Partially correct |
108 ms |
12748 KB |
Partially correct |
| 34 |
Correct |
127 ms |
12992 KB |
Output is correct |
| 35 |
Correct |
101 ms |
12744 KB |
Output is correct |
| 36 |
Correct |
109 ms |
13060 KB |
Output is correct |
| 37 |
Correct |
140 ms |
14052 KB |
Output is correct |
| 38 |
Correct |
143 ms |
13852 KB |
Output is correct |
| 39 |
Correct |
133 ms |
13884 KB |
Output is correct |
| 40 |
Correct |
189 ms |
15508 KB |
Output is correct |
| 41 |
Partially correct |
279 ms |
17528 KB |
Partially correct |
