| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 477000 |
2021-09-29T17:27:15 Z |
JvThunder |
Keys (IOI21_keys) |
C++17 |
|
858 ms |
59564 KB |
#include <bits/stdc++.h>
#include "keys.h"
using namespace std;
const int maxn = 3e5 + 5;
int n,m,p[maxn],r[maxn],fa[maxn];
int sz[maxn];
int find(int x)
{
if (fa[x]==x) return x;
return fa[x]=find(fa[x]);
}
bool have[maxn],vis[maxn],mk[maxn];
int hd,tl,q[maxn];
vector<pair<int,int>> g[maxn];
vector<int> vec[maxn];
vector<int> ans;
int bfs(int s,bool flag=0)
{
hd=1,tl=0; int res=0;
q[++tl]=s,vis[s]=1;
while (hd<=tl)
{
int x=q[hd]; hd++;
if (!have[r[x]])
{
while (!vec[r[x]].empty())
{
int y=vec[r[x]].back();
if (find(y)!=s) res = find(y);
if (!vis[y]) q[++tl] = y, vis[y] = 1;
vec[r[x]].pop_back();
}
have[r[x]]=1;
}
for (pair<int,int> A : g[x])
{
int y=A.first;
if (have[A.second])
{
if (find(y)!=s) res = find(y);
if (!vis[y]) q[++tl] = y , vis[y] = 1;
}
else vec[A.second].push_back(y);
}
if (res) break;
}
for (int i=1;i<=tl;i++) vis[q[i]] = 0;
for (int i=1;i<hd;i++)
{
int x = q[i];
have[r[x]] = 0;
for (pair<int,int> A : g[x])
vec[A.second].clear();
}
if (flag)
{
for (int i=1;i<=tl;i++)
ans[q[i]-1] = tl;
}
return res;
}
vector<int> find_reachable(vector<int> R,vector<int> U,vector<int> V, vector<int> C)
{
n = R.size(); m = U.size();
for (int i=0;i<n;i++) r[i+1] = R[i] + 1;
int x,y,z;
ans = vector<int> (n,n+1);
for (int i=0;i<m;i++)
{
x=U[i]+1,y=V[i]+1,z=C[i]+1;
g[x].push_back({y,z}),g[y].push_back({x,z});
}
for (int i=1;i<=n;i++) fa[i] = i, sz[i] = 1;
while (true)
{
bool flag = false;
for (int i=1;i<=n;i++) mk[i] = 0;
for (int i=1;i<=n;i++)
{
if (find(i)==i && !mk[i])
{
int t=bfs(i);
if (t) fa[i]=t,mk[t]=1,flag=1;
else mk[i]=1;
}
}
if (!flag) break;
}
int mn = n+1;
for (int i=1;i<=n;i++)
if (find(i)==i) bfs(i,1);
for (int i=1;i<=n;i++) mn = min(mn,ans[i-1]);
for (int i=1;i<=n;i++)
{
if (mn==ans[i-1]) ans[i-1] = 1;
else ans[i-1] = 0;
}
return ans;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 2 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 3 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 4 |
Correct |
8 ms |
14344 KB |
Output is correct |
| 5 |
Correct |
11 ms |
14412 KB |
Output is correct |
| 6 |
Correct |
10 ms |
14412 KB |
Output is correct |
| 7 |
Correct |
9 ms |
14408 KB |
Output is correct |
| 8 |
Correct |
8 ms |
14464 KB |
Output is correct |
| 9 |
Correct |
8 ms |
14412 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 2 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 3 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 4 |
Correct |
8 ms |
14344 KB |
Output is correct |
| 5 |
Correct |
11 ms |
14412 KB |
Output is correct |
| 6 |
Correct |
10 ms |
14412 KB |
Output is correct |
| 7 |
Correct |
9 ms |
14408 KB |
Output is correct |
| 8 |
Correct |
8 ms |
14464 KB |
Output is correct |
| 9 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 10 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 11 |
Correct |
8 ms |
14400 KB |
Output is correct |
| 12 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 13 |
Correct |
8 ms |
14400 KB |
Output is correct |
| 14 |
Correct |
9 ms |
14400 KB |
Output is correct |
| 15 |
Correct |
9 ms |
14340 KB |
Output is correct |
| 16 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 17 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 18 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 19 |
Correct |
9 ms |
14396 KB |
Output is correct |
| 20 |
Correct |
9 ms |
14364 KB |
Output is correct |
| 21 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 22 |
Correct |
10 ms |
14396 KB |
Output is correct |
| 23 |
Correct |
9 ms |
14392 KB |
Output is correct |
| 24 |
Correct |
9 ms |
14356 KB |
Output is correct |
| 25 |
Correct |
9 ms |
14396 KB |
Output is correct |
| 26 |
Correct |
8 ms |
14412 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 2 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 3 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 4 |
Correct |
8 ms |
14344 KB |
Output is correct |
| 5 |
Correct |
11 ms |
14412 KB |
Output is correct |
| 6 |
Correct |
10 ms |
14412 KB |
Output is correct |
| 7 |
Correct |
9 ms |
14408 KB |
Output is correct |
| 8 |
Correct |
8 ms |
14464 KB |
Output is correct |
| 9 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 10 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 11 |
Correct |
8 ms |
14400 KB |
Output is correct |
| 12 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 13 |
Correct |
8 ms |
14400 KB |
Output is correct |
| 14 |
Correct |
9 ms |
14400 KB |
Output is correct |
| 15 |
Correct |
9 ms |
14340 KB |
Output is correct |
| 16 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 17 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 18 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 19 |
Correct |
9 ms |
14396 KB |
Output is correct |
| 20 |
Correct |
9 ms |
14364 KB |
Output is correct |
| 21 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 22 |
Correct |
10 ms |
14396 KB |
Output is correct |
| 23 |
Correct |
9 ms |
14392 KB |
Output is correct |
| 24 |
Correct |
9 ms |
14356 KB |
Output is correct |
| 25 |
Correct |
9 ms |
14396 KB |
Output is correct |
| 26 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 27 |
Correct |
9 ms |
14664 KB |
Output is correct |
| 28 |
Correct |
9 ms |
14708 KB |
Output is correct |
| 29 |
Correct |
9 ms |
14660 KB |
Output is correct |
| 30 |
Correct |
10 ms |
14532 KB |
Output is correct |
| 31 |
Correct |
10 ms |
14520 KB |
Output is correct |
| 32 |
Correct |
9 ms |
14540 KB |
Output is correct |
| 33 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 34 |
Correct |
9 ms |
14584 KB |
Output is correct |
| 35 |
Correct |
9 ms |
14540 KB |
Output is correct |
| 36 |
Correct |
9 ms |
14640 KB |
Output is correct |
| 37 |
Correct |
10 ms |
14540 KB |
Output is correct |
| 38 |
Correct |
9 ms |
14660 KB |
Output is correct |
| 39 |
Correct |
11 ms |
14668 KB |
Output is correct |
| 40 |
Correct |
10 ms |
14540 KB |
Output is correct |
| 41 |
Correct |
9 ms |
14604 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 2 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 3 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 4 |
Correct |
8 ms |
14344 KB |
Output is correct |
| 5 |
Correct |
11 ms |
14412 KB |
Output is correct |
| 6 |
Correct |
10 ms |
14412 KB |
Output is correct |
| 7 |
Correct |
9 ms |
14408 KB |
Output is correct |
| 8 |
Correct |
8 ms |
14464 KB |
Output is correct |
| 9 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 10 |
Correct |
315 ms |
39144 KB |
Output is correct |
| 11 |
Correct |
329 ms |
48484 KB |
Output is correct |
| 12 |
Correct |
82 ms |
20408 KB |
Output is correct |
| 13 |
Correct |
458 ms |
43272 KB |
Output is correct |
| 14 |
Correct |
207 ms |
46220 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 2 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 3 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 4 |
Correct |
8 ms |
14344 KB |
Output is correct |
| 5 |
Correct |
11 ms |
14412 KB |
Output is correct |
| 6 |
Correct |
10 ms |
14412 KB |
Output is correct |
| 7 |
Correct |
9 ms |
14408 KB |
Output is correct |
| 8 |
Correct |
8 ms |
14464 KB |
Output is correct |
| 9 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 10 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 11 |
Correct |
8 ms |
14400 KB |
Output is correct |
| 12 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 13 |
Correct |
8 ms |
14400 KB |
Output is correct |
| 14 |
Correct |
9 ms |
14400 KB |
Output is correct |
| 15 |
Correct |
9 ms |
14340 KB |
Output is correct |
| 16 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 17 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 18 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 19 |
Correct |
9 ms |
14396 KB |
Output is correct |
| 20 |
Correct |
9 ms |
14364 KB |
Output is correct |
| 21 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 22 |
Correct |
10 ms |
14396 KB |
Output is correct |
| 23 |
Correct |
9 ms |
14392 KB |
Output is correct |
| 24 |
Correct |
9 ms |
14356 KB |
Output is correct |
| 25 |
Correct |
9 ms |
14396 KB |
Output is correct |
| 26 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 27 |
Correct |
9 ms |
14664 KB |
Output is correct |
| 28 |
Correct |
9 ms |
14708 KB |
Output is correct |
| 29 |
Correct |
9 ms |
14660 KB |
Output is correct |
| 30 |
Correct |
10 ms |
14532 KB |
Output is correct |
| 31 |
Correct |
10 ms |
14520 KB |
Output is correct |
| 32 |
Correct |
9 ms |
14540 KB |
Output is correct |
| 33 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 34 |
Correct |
9 ms |
14584 KB |
Output is correct |
| 35 |
Correct |
9 ms |
14540 KB |
Output is correct |
| 36 |
Correct |
9 ms |
14640 KB |
Output is correct |
| 37 |
Correct |
10 ms |
14540 KB |
Output is correct |
| 38 |
Correct |
9 ms |
14660 KB |
Output is correct |
| 39 |
Correct |
11 ms |
14668 KB |
Output is correct |
| 40 |
Correct |
10 ms |
14540 KB |
Output is correct |
| 41 |
Correct |
9 ms |
14604 KB |
Output is correct |
| 42 |
Correct |
315 ms |
39144 KB |
Output is correct |
| 43 |
Correct |
329 ms |
48484 KB |
Output is correct |
| 44 |
Correct |
82 ms |
20408 KB |
Output is correct |
| 45 |
Correct |
458 ms |
43272 KB |
Output is correct |
| 46 |
Correct |
207 ms |
46220 KB |
Output is correct |
| 47 |
Correct |
8 ms |
14380 KB |
Output is correct |
| 48 |
Correct |
7 ms |
14396 KB |
Output is correct |
| 49 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 50 |
Correct |
213 ms |
46328 KB |
Output is correct |
| 51 |
Correct |
220 ms |
49012 KB |
Output is correct |
| 52 |
Correct |
304 ms |
44408 KB |
Output is correct |
| 53 |
Correct |
290 ms |
44404 KB |
Output is correct |
| 54 |
Correct |
307 ms |
44356 KB |
Output is correct |
| 55 |
Correct |
522 ms |
41104 KB |
Output is correct |
| 56 |
Correct |
695 ms |
53452 KB |
Output is correct |
| 57 |
Correct |
358 ms |
51436 KB |
Output is correct |
| 58 |
Correct |
355 ms |
59564 KB |
Output is correct |
| 59 |
Correct |
553 ms |
51520 KB |
Output is correct |
| 60 |
Correct |
348 ms |
49424 KB |
Output is correct |
| 61 |
Correct |
497 ms |
51528 KB |
Output is correct |
| 62 |
Correct |
847 ms |
46396 KB |
Output is correct |
| 63 |
Correct |
194 ms |
46124 KB |
Output is correct |
| 64 |
Correct |
11 ms |
15080 KB |
Output is correct |
| 65 |
Correct |
10 ms |
14924 KB |
Output is correct |
| 66 |
Correct |
853 ms |
46396 KB |
Output is correct |
| 67 |
Correct |
29 ms |
17608 KB |
Output is correct |
| 68 |
Correct |
40 ms |
19644 KB |
Output is correct |
| 69 |
Correct |
539 ms |
51456 KB |
Output is correct |
| 70 |
Correct |
73 ms |
25156 KB |
Output is correct |
| 71 |
Correct |
199 ms |
46736 KB |
Output is correct |
| 72 |
Correct |
561 ms |
51464 KB |
Output is correct |
| 73 |
Correct |
858 ms |
46412 KB |
Output is correct |
