| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 391853 |
2021-04-20T03:49:11 Z |
wiwiho |
007 (CEOI14_007) |
C++14 |
|
275 ms |
16992 KB |
#include <bits/stdc++.h>
#define eb emplace_back
#define mp make_pair
#define F first
#define S second
#define printv(a, b) {\
for(auto pv : a) b << pv << " ";\
b << "\n";\
}
using namespace std;
using pii = pair<int, int>;
ostream& operator<<(ostream& o, pii p){
return o << '(' << p.F << ',' << p.S << ')';
}
int n, m;
vector<vector<int>> g;
vector<int> getdis(int s){
vector<int> dis(n + 1, -1);
dis[s] = 0;
queue<int> q;
q.push(s);
while(!q.empty()){
int now = q.front();
q.pop();
for(int i : g[now]){
if(dis[i] != -1) continue;
dis[i] = dis[now] + 1;
q.push(i);
}
}
return dis;
}
int main(){
ios_base::sync_with_stdio(false);
cin.tie(0);
cin >> n >> m;
int s, d, a, b;
cin >> s >> d >> a >> b;
g.resize(n + 1);
for(int i = 0; i < m; i++){
int u, v;
cin >> u >> v;
g[u].eb(v);
g[v].eb(u);
}
vector<int> ds = getdis(s);
vector<int> dd = getdis(d);
vector<int> da = getdis(a);
vector<int> db = getdis(b);
int tmp = min(dd[a], dd[b]);
int ans = ds[a];
for(int i = 1; i <= n; i++){
if(da[i] <= 1 && db[i] <= 1){
ans = min(ds[i], ans);
}
}
ans = tmp - 1 - ans;
ans = max(ans, -1);
cout << ans << "\n";
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Partially correct |
1 ms |
204 KB |
Partially correct |
| 3 |
Partially correct |
1 ms |
204 KB |
Partially correct |
| 4 |
Correct |
1 ms |
204 KB |
Output is correct |
| 5 |
Correct |
1 ms |
204 KB |
Output is correct |
| 6 |
Partially correct |
1 ms |
204 KB |
Partially correct |
| 7 |
Partially correct |
1 ms |
204 KB |
Partially correct |
| 8 |
Correct |
1 ms |
204 KB |
Output is correct |
| 9 |
Partially correct |
1 ms |
204 KB |
Partially correct |
| 10 |
Correct |
1 ms |
204 KB |
Output is correct |
| 11 |
Partially correct |
1 ms |
204 KB |
Partially correct |
| 12 |
Correct |
1 ms |
332 KB |
Output is correct |
| 13 |
Partially correct |
1 ms |
336 KB |
Partially correct |
| 14 |
Correct |
1 ms |
204 KB |
Output is correct |
| 15 |
Partially correct |
1 ms |
332 KB |
Partially correct |
| 16 |
Correct |
1 ms |
332 KB |
Output is correct |
| 17 |
Correct |
1 ms |
332 KB |
Output is correct |
| 18 |
Correct |
1 ms |
332 KB |
Output is correct |
| 19 |
Partially correct |
1 ms |
332 KB |
Partially correct |
| 20 |
Partially correct |
1 ms |
332 KB |
Partially correct |
| 21 |
Correct |
1 ms |
332 KB |
Output is correct |
| 22 |
Partially correct |
1 ms |
332 KB |
Partially correct |
| 23 |
Partially correct |
1 ms |
336 KB |
Partially correct |
| 24 |
Correct |
1 ms |
332 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Partially correct |
22 ms |
3148 KB |
Partially correct |
| 2 |
Correct |
29 ms |
4460 KB |
Output is correct |
| 3 |
Partially correct |
25 ms |
3344 KB |
Partially correct |
| 4 |
Correct |
33 ms |
4696 KB |
Output is correct |
| 5 |
Correct |
24 ms |
3020 KB |
Output is correct |
| 6 |
Correct |
22 ms |
3444 KB |
Output is correct |
| 7 |
Partially correct |
26 ms |
3720 KB |
Partially correct |
| 8 |
Partially correct |
27 ms |
3720 KB |
Partially correct |
| 9 |
Correct |
37 ms |
4164 KB |
Output is correct |
| 10 |
Partially correct |
142 ms |
8808 KB |
Partially correct |
| 11 |
Correct |
53 ms |
6596 KB |
Output is correct |
| 12 |
Partially correct |
78 ms |
8228 KB |
Partially correct |
| 13 |
Correct |
61 ms |
7120 KB |
Output is correct |
| 14 |
Correct |
47 ms |
6160 KB |
Output is correct |
| 15 |
Partially correct |
71 ms |
8472 KB |
Partially correct |
| 16 |
Correct |
79 ms |
8828 KB |
Output is correct |
| 17 |
Partially correct |
66 ms |
7912 KB |
Partially correct |
| 18 |
Correct |
75 ms |
8004 KB |
Output is correct |
| 19 |
Partially correct |
109 ms |
9248 KB |
Partially correct |
| 20 |
Correct |
185 ms |
12108 KB |
Output is correct |
| 21 |
Correct |
97 ms |
11596 KB |
Output is correct |
| 22 |
Partially correct |
101 ms |
10060 KB |
Partially correct |
| 23 |
Partially correct |
110 ms |
11376 KB |
Partially correct |
| 24 |
Partially correct |
109 ms |
11340 KB |
Partially correct |
| 25 |
Correct |
102 ms |
10656 KB |
Output is correct |
| 26 |
Partially correct |
91 ms |
10176 KB |
Partially correct |
| 27 |
Partially correct |
116 ms |
11500 KB |
Partially correct |
| 28 |
Partially correct |
144 ms |
11560 KB |
Partially correct |
| 29 |
Partially correct |
146 ms |
11452 KB |
Partially correct |
| 30 |
Correct |
203 ms |
13300 KB |
Output is correct |
| 31 |
Correct |
130 ms |
13220 KB |
Output is correct |
| 32 |
Partially correct |
134 ms |
11460 KB |
Partially correct |
| 33 |
Partially correct |
119 ms |
11892 KB |
Partially correct |
| 34 |
Correct |
138 ms |
12320 KB |
Output is correct |
| 35 |
Correct |
115 ms |
12048 KB |
Output is correct |
| 36 |
Correct |
122 ms |
12452 KB |
Output is correct |
| 37 |
Correct |
148 ms |
14004 KB |
Output is correct |
| 38 |
Partially correct |
152 ms |
13636 KB |
Partially correct |
| 39 |
Partially correct |
172 ms |
13700 KB |
Partially correct |
| 40 |
Correct |
215 ms |
15012 KB |
Output is correct |
| 41 |
Partially correct |
275 ms |
16992 KB |
Partially correct |
