| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 613903 |
2022-07-30T12:47:53 Z |
andrei_boaca |
007 (CEOI14_007) |
C++14 |
|
218 ms |
17592 KB |
#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);
}
int ans=max(-1,minim);
if(s==a||s==b)
ans++;
cout<<ans;
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 2 |
Partially correct |
4 ms |
4948 KB |
Partially correct |
| 3 |
Partially correct |
3 ms |
4948 KB |
Partially correct |
| 4 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 5 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 6 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 7 |
Partially correct |
3 ms |
4948 KB |
Partially correct |
| 8 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 9 |
Partially correct |
3 ms |
4948 KB |
Partially correct |
| 10 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 11 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 12 |
Correct |
2 ms |
5076 KB |
Output is correct |
| 13 |
Partially correct |
3 ms |
5076 KB |
Partially correct |
| 14 |
Correct |
4 ms |
4948 KB |
Output is correct |
| 15 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 16 |
Correct |
4 ms |
4948 KB |
Output is correct |
| 17 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 18 |
Correct |
3 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 |
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 |
Correct |
3 ms |
5076 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Partially correct |
19 ms |
6860 KB |
Partially correct |
| 2 |
Correct |
27 ms |
7940 KB |
Output is correct |
| 3 |
Partially correct |
26 ms |
7068 KB |
Partially correct |
| 4 |
Correct |
36 ms |
7924 KB |
Output is correct |
| 5 |
Correct |
26 ms |
6764 KB |
Output is correct |
| 6 |
Correct |
24 ms |
7116 KB |
Output is correct |
| 7 |
Correct |
23 ms |
7348 KB |
Output is correct |
| 8 |
Correct |
26 ms |
7252 KB |
Output is correct |
| 9 |
Correct |
32 ms |
7708 KB |
Output is correct |
| 10 |
Partially correct |
114 ms |
12176 KB |
Partially correct |
| 11 |
Correct |
45 ms |
9264 KB |
Output is correct |
| 12 |
Partially correct |
63 ms |
10368 KB |
Partially correct |
| 13 |
Correct |
53 ms |
9612 KB |
Output is correct |
| 14 |
Correct |
40 ms |
8796 KB |
Output is correct |
| 15 |
Partially correct |
86 ms |
10428 KB |
Partially correct |
| 16 |
Correct |
68 ms |
10652 KB |
Output is correct |
| 17 |
Correct |
58 ms |
10156 KB |
Output is correct |
| 18 |
Correct |
60 ms |
10188 KB |
Output is correct |
| 19 |
Partially correct |
90 ms |
11320 KB |
Partially correct |
| 20 |
Correct |
153 ms |
14140 KB |
Output is correct |
| 21 |
Correct |
119 ms |
12476 KB |
Output is correct |
| 22 |
Partially correct |
100 ms |
11464 KB |
Partially correct |
| 23 |
Partially correct |
89 ms |
12416 KB |
Partially correct |
| 24 |
Partially correct |
91 ms |
12396 KB |
Partially correct |
| 25 |
Correct |
107 ms |
12044 KB |
Output is correct |
| 26 |
Partially correct |
104 ms |
11540 KB |
Partially correct |
| 27 |
Correct |
94 ms |
12556 KB |
Output is correct |
| 28 |
Correct |
142 ms |
12456 KB |
Output is correct |
| 29 |
Partially correct |
127 ms |
13000 KB |
Partially correct |
| 30 |
Correct |
212 ms |
14936 KB |
Output is correct |
| 31 |
Correct |
108 ms |
13596 KB |
Output is correct |
| 32 |
Partially correct |
109 ms |
12364 KB |
Partially correct |
| 33 |
Partially correct |
106 ms |
12732 KB |
Partially correct |
| 34 |
Correct |
131 ms |
13004 KB |
Output is correct |
| 35 |
Correct |
103 ms |
12724 KB |
Output is correct |
| 36 |
Correct |
108 ms |
13060 KB |
Output is correct |
| 37 |
Correct |
165 ms |
14064 KB |
Output is correct |
| 38 |
Correct |
133 ms |
13920 KB |
Output is correct |
| 39 |
Correct |
168 ms |
14084 KB |
Output is correct |
| 40 |
Correct |
216 ms |
15500 KB |
Output is correct |
| 41 |
Partially correct |
218 ms |
17592 KB |
Partially correct |
