# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
95209 |
2019-01-28T14:46:56 Z |
Kewo |
007 (CEOI14_007) |
C++14 |
|
298 ms |
42556 KB |
#include <bits/stdc++.h>
#define pb push_back
#define ppb pop_back
#define fi first
#define se second
#define mid ((x + y) / 2)
#define left (ind * 2)
#define right (ind * 2 + 1)
#define mp make_pair
#define timer ((double)clock() / CLOCKS_PER_SEC)
#define endl "\n"
#define spc " "
#define d1(x) cerr<<#x<<":"<<x<<endl
#define d2(x, y) cerr<<#x<<":"<<x<<" "<<#y<<":"<<y<<endl
#define d3(x, y, z) cerr<<#x<<":"<<x<<" "<<#y<<":"<<y<<" "<<#z<<":"<<z<<endl
#define fast_io() ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0)
using namespace std;
typedef long long int lli;
typedef pair<int, int> ii;
typedef pair<ii, int> iii;
typedef pair<double, double> dd;
const int N = (int)(1e6 + 5);
const int LOG = (int)(20);
int n, m, cs1[N], cs2[N], s, d, a, b, ans;
vector<int> v[N];
void bfs1() {
queue<int> q;
q.push(s);
memset(cs1, -1, sizeof cs1);
cs1[s] = 0;
while(!q.empty()) {
int t = q.front();
q.pop();
for(auto i : v[t]) {
if(cs1[i] == -1) {
cs1[i] = cs1[t] + 1;
q.push(i);
}
}
}
}
void bfs2() {
queue<int> q;
q.push(d);
memset(cs2, -1, sizeof cs1);
cs2[d] = 0;
while(!q.empty()) {
int t = q.front();
q.pop();
for(auto i : v[t]) {
if(cs2[i] == -1) {
cs2[i] = cs2[t] + 1;
q.push(i);
}
}
}
}
int main() {
fast_io();
// freopen("inp.in", "r", stdin);
cin >> n >> m;
cin >> s >> d >> a >> b;
for(int i = 1; i <= m; i++) {
int aa, bb;
cin >> aa >> bb;
v[aa].pb(bb);
v[bb].pb(aa);
}
bfs1();
bfs2();
ans = min(cs2[a] - cs1[a], cs2[b] - cs1[b]);
ans = max(ans, 0);
cout << 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
25 ms |
31608 KB |
Output is correct |
2 |
Incorrect |
25 ms |
31608 KB |
Output isn't correct |
3 |
Correct |
25 ms |
31736 KB |
Output is correct |
4 |
Correct |
25 ms |
31608 KB |
Output is correct |
5 |
Correct |
24 ms |
31656 KB |
Output is correct |
6 |
Incorrect |
25 ms |
31608 KB |
Output isn't correct |
7 |
Incorrect |
24 ms |
31608 KB |
Output isn't correct |
8 |
Correct |
29 ms |
31608 KB |
Output is correct |
9 |
Incorrect |
29 ms |
31608 KB |
Output isn't correct |
10 |
Incorrect |
30 ms |
31608 KB |
Output isn't correct |
11 |
Partially correct |
30 ms |
31608 KB |
Partially correct |
12 |
Incorrect |
25 ms |
31608 KB |
Output isn't correct |
13 |
Incorrect |
28 ms |
31864 KB |
Output isn't correct |
14 |
Incorrect |
30 ms |
31608 KB |
Output isn't correct |
15 |
Incorrect |
26 ms |
31608 KB |
Output isn't correct |
16 |
Incorrect |
25 ms |
31608 KB |
Output isn't correct |
17 |
Incorrect |
25 ms |
31736 KB |
Output isn't correct |
18 |
Incorrect |
25 ms |
31692 KB |
Output isn't correct |
19 |
Incorrect |
25 ms |
31736 KB |
Output isn't correct |
20 |
Incorrect |
25 ms |
31736 KB |
Output isn't correct |
21 |
Incorrect |
25 ms |
31736 KB |
Output isn't correct |
22 |
Incorrect |
24 ms |
31608 KB |
Output isn't correct |
23 |
Incorrect |
25 ms |
31692 KB |
Output isn't correct |
24 |
Correct |
25 ms |
31736 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
50 ms |
33400 KB |
Output isn't correct |
2 |
Incorrect |
57 ms |
34132 KB |
Output isn't correct |
3 |
Incorrect |
51 ms |
33528 KB |
Output isn't correct |
4 |
Incorrect |
64 ms |
34452 KB |
Output isn't correct |
5 |
Incorrect |
48 ms |
33400 KB |
Output isn't correct |
6 |
Incorrect |
53 ms |
33528 KB |
Output isn't correct |
7 |
Incorrect |
52 ms |
33784 KB |
Output isn't correct |
8 |
Incorrect |
51 ms |
33760 KB |
Output isn't correct |
9 |
Incorrect |
64 ms |
34556 KB |
Output isn't correct |
10 |
Incorrect |
153 ms |
38904 KB |
Output isn't correct |
11 |
Incorrect |
75 ms |
35448 KB |
Output isn't correct |
12 |
Incorrect |
103 ms |
36228 KB |
Output isn't correct |
13 |
Incorrect |
87 ms |
35780 KB |
Output isn't correct |
14 |
Incorrect |
71 ms |
35192 KB |
Output isn't correct |
15 |
Incorrect |
90 ms |
36216 KB |
Output isn't correct |
16 |
Incorrect |
88 ms |
36452 KB |
Output isn't correct |
17 |
Incorrect |
98 ms |
36048 KB |
Output isn't correct |
18 |
Incorrect |
78 ms |
36088 KB |
Output isn't correct |
19 |
Incorrect |
114 ms |
37240 KB |
Output isn't correct |
20 |
Incorrect |
197 ms |
40044 KB |
Output isn't correct |
21 |
Incorrect |
106 ms |
37624 KB |
Output isn't correct |
22 |
Incorrect |
103 ms |
37028 KB |
Output isn't correct |
23 |
Incorrect |
106 ms |
37624 KB |
Output isn't correct |
24 |
Incorrect |
123 ms |
37628 KB |
Output isn't correct |
25 |
Incorrect |
126 ms |
37232 KB |
Output isn't correct |
26 |
Incorrect |
91 ms |
36984 KB |
Output isn't correct |
27 |
Incorrect |
113 ms |
37752 KB |
Output isn't correct |
28 |
Incorrect |
147 ms |
37624 KB |
Output isn't correct |
29 |
Incorrect |
178 ms |
38472 KB |
Output isn't correct |
30 |
Incorrect |
249 ms |
40592 KB |
Output isn't correct |
31 |
Incorrect |
150 ms |
38580 KB |
Output isn't correct |
32 |
Incorrect |
129 ms |
37548 KB |
Output isn't correct |
33 |
Incorrect |
137 ms |
37724 KB |
Output isn't correct |
34 |
Incorrect |
142 ms |
38012 KB |
Output isn't correct |
35 |
Incorrect |
110 ms |
37860 KB |
Output isn't correct |
36 |
Incorrect |
126 ms |
38136 KB |
Output isn't correct |
37 |
Incorrect |
151 ms |
38904 KB |
Output isn't correct |
38 |
Incorrect |
163 ms |
38520 KB |
Output isn't correct |
39 |
Incorrect |
181 ms |
38648 KB |
Output isn't correct |
40 |
Incorrect |
236 ms |
40352 KB |
Output isn't correct |
41 |
Incorrect |
298 ms |
42556 KB |
Output isn't correct |