4321 | 2023. 03. 24 12:01:33 | horvathabel | Hálózati biztonság (50) | cpp17 | Elfogadva 50/50 | 170ms | 61424 KiB |
#include <bits/stdc++.h>
using namespace std;
vector<int> g[1000001];
int main() {
int n, m,k;
cin>>n>>m>>k;
vector<int> c(n+1);
for (int i=0; i<m;i++){
int x,y;
cin>>x>>y;
c[x]++;
c[y]++;
g[x].push_back(y);
g[y].push_back(x);
}
queue<int> q;
int ans=n;
bool seen[1000001];
for (int i=1; i<=n;i++){
if (c[i]<k){
q.push(i);
ans--;
seen[i]=true;
}
}
while (!q.empty()){
int v=q.front();
q.pop();
for (int edge:g[v]){
if (!seen[edge]){
c[edge]--;
if (c[edge]<k){
q.push(edge);
seen[edge]=true;
ans--;
}
}
}
}
cout<<ans<<endl;
for (int i=1; i<=n;i++){
if (!seen[i]) cout<<i<<" ";
}
}
Részfeladat | Összpont | Teszt | Verdikt | Idő | Memória | ||
---|---|---|---|---|---|---|---|
base | 50/50 | ||||||
1 | Elfogadva | 0/0 | 25ms | 50672 KiB | |||
2 | Elfogadva | 0/0 | 104ms | 55672 KiB | |||
3 | Elfogadva | 2/2 | 24ms | 51080 KiB | |||
4 | Elfogadva | 2/2 | 24ms | 51316 KiB | |||
5 | Elfogadva | 2/2 | 25ms | 51272 KiB | |||
6 | Elfogadva | 2/2 | 20ms | 51392 KiB | |||
7 | Elfogadva | 2/2 | 24ms | 51604 KiB | |||
8 | Elfogadva | 2/2 | 24ms | 51692 KiB | |||
9 | Elfogadva | 2/2 | 24ms | 51916 KiB | |||
10 | Elfogadva | 2/2 | 29ms | 52308 KiB | |||
11 | Elfogadva | 2/2 | 25ms | 52032 KiB | |||
12 | Elfogadva | 2/2 | 28ms | 52436 KiB | |||
13 | Elfogadva | 3/3 | 25ms | 52336 KiB | |||
14 | Elfogadva | 3/3 | 28ms | 52760 KiB | |||
15 | Elfogadva | 3/3 | 30ms | 53304 KiB | |||
16 | Elfogadva | 3/3 | 100ms | 56180 KiB | |||
17 | Elfogadva | 3/3 | 29ms | 52952 KiB | |||
18 | Elfogadva | 3/3 | 34ms | 53972 KiB | |||
19 | Elfogadva | 3/3 | 103ms | 59772 KiB | |||
20 | Elfogadva | 3/3 | 170ms | 61424 KiB | |||
21 | Elfogadva | 3/3 | 112ms | 59984 KiB | |||
22 | Elfogadva | 3/3 | 19ms | 52728 KiB |