| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 613801 |
2022-07-30T11:13:24 Z |
andrei_boaca |
007 (CEOI14_007) |
C++14 |
|
212 ms |
17988 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[1][i]+1>=dist[1][s]&&dist[2][i]+1>=dist[2][s])||dist[4][i]<=1)
good=1;
else
good=0;
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 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 3 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 4 |
Incorrect |
3 ms |
5032 KB |
Output isn't correct |
| 5 |
Incorrect |
3 ms |
5052 KB |
Output isn't correct |
| 6 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 7 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 8 |
Incorrect |
2 ms |
4948 KB |
Output isn't correct |
| 9 |
Correct |
3 ms |
5032 KB |
Output is correct |
| 10 |
Correct |
4 ms |
4948 KB |
Output is correct |
| 11 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 12 |
Incorrect |
3 ms |
5076 KB |
Output isn't correct |
| 13 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 14 |
Incorrect |
2 ms |
4948 KB |
Output isn't correct |
| 15 |
Correct |
3 ms |
5032 KB |
Output is correct |
| 16 |
Incorrect |
3 ms |
5036 KB |
Output isn't correct |
| 17 |
Incorrect |
3 ms |
5040 KB |
Output isn't correct |
| 18 |
Incorrect |
3 ms |
5076 KB |
Output isn't correct |
| 19 |
Correct |
4 ms |
5032 KB |
Output is correct |
| 20 |
Correct |
3 ms |
5032 KB |
Output is correct |
| 21 |
Correct |
3 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 |
Incorrect |
3 ms |
5076 KB |
Output isn't correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
20 ms |
7276 KB |
Output is correct |
| 2 |
Incorrect |
29 ms |
8132 KB |
Output isn't correct |
| 3 |
Correct |
22 ms |
7320 KB |
Output is correct |
| 4 |
Incorrect |
27 ms |
8312 KB |
Output isn't correct |
| 5 |
Correct |
24 ms |
7164 KB |
Output is correct |
| 6 |
Correct |
21 ms |
7432 KB |
Output is correct |
| 7 |
Correct |
29 ms |
7636 KB |
Output is correct |
| 8 |
Correct |
25 ms |
7652 KB |
Output is correct |
| 9 |
Incorrect |
34 ms |
8112 KB |
Output isn't correct |
| 10 |
Correct |
117 ms |
12456 KB |
Output is correct |
| 11 |
Incorrect |
52 ms |
9652 KB |
Output isn't correct |
| 12 |
Correct |
78 ms |
10628 KB |
Output is correct |
| 13 |
Incorrect |
55 ms |
10056 KB |
Output isn't correct |
| 14 |
Correct |
40 ms |
9204 KB |
Output is correct |
| 15 |
Correct |
64 ms |
10848 KB |
Output is correct |
| 16 |
Correct |
70 ms |
11144 KB |
Output is correct |
| 17 |
Correct |
58 ms |
10444 KB |
Output is correct |
| 18 |
Incorrect |
61 ms |
10536 KB |
Output isn't correct |
| 19 |
Correct |
89 ms |
11736 KB |
Output is correct |
| 20 |
Incorrect |
163 ms |
14472 KB |
Output isn't correct |
| 21 |
Incorrect |
90 ms |
12876 KB |
Output isn't correct |
| 22 |
Correct |
105 ms |
11936 KB |
Output is correct |
| 23 |
Correct |
95 ms |
12820 KB |
Output is correct |
| 24 |
Correct |
86 ms |
12716 KB |
Output is correct |
| 25 |
Incorrect |
84 ms |
12496 KB |
Output isn't correct |
| 26 |
Correct |
91 ms |
12032 KB |
Output is correct |
| 27 |
Correct |
95 ms |
12848 KB |
Output is correct |
| 28 |
Correct |
104 ms |
12844 KB |
Output is correct |
| 29 |
Correct |
123 ms |
13440 KB |
Output is correct |
| 30 |
Incorrect |
172 ms |
15532 KB |
Output isn't correct |
| 31 |
Incorrect |
105 ms |
14016 KB |
Output isn't correct |
| 32 |
Correct |
100 ms |
12760 KB |
Output is correct |
| 33 |
Correct |
113 ms |
13112 KB |
Output is correct |
| 34 |
Incorrect |
131 ms |
13520 KB |
Output isn't correct |
| 35 |
Incorrect |
95 ms |
13132 KB |
Output isn't correct |
| 36 |
Incorrect |
112 ms |
13400 KB |
Output isn't correct |
| 37 |
Correct |
130 ms |
14560 KB |
Output is correct |
| 38 |
Correct |
121 ms |
14352 KB |
Output is correct |
| 39 |
Correct |
135 ms |
14260 KB |
Output is correct |
| 40 |
Incorrect |
163 ms |
15892 KB |
Output isn't correct |
| 41 |
Correct |
212 ms |
17988 KB |
Output is correct |
