874 | 2022. 01. 21 22:22:31 | Valaki2 | Hálózati biztonság (50) | cpp14 | Elfogadva 50/50 | 105ms | 21544 KiB |
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
#define mp make_pair
#define fi first
#define se second
const int maxn = 1e5;
int n, m, k;
vector<int> g[maxn + 1];
int degree[maxn + 1];
bool removed[maxn + 1];
queue<int> q;
void rem(int x) {
for(int y : g[x]) {
degree[y]--;
if(degree[y] < k && !removed[y]) {
removed[y] = true;
q.push(y);
}
}
}
void solve() {
cin >> n >> m >> k;
for(int i = 0; i < m; i++) {
int a, b;
cin >> a >> b;
g[a].pb(b);
g[b].pb(a);
degree[a]++;
degree[b]++;
}
for(int i = 1; i <= n; i++) {
if(degree[i] < k) {
removed[i] = true;
q.push(i);
}
}
while(!q.empty()) {
int cur = q.front();
q.pop();
rem(cur);
}
int cnt = 0;
for(int i = 1; i <= n; i++) {
if(!removed[i]) {
cnt++;
}
}
cout << cnt << "\n";
for(int i = 1; i <= n; i++) {
if(!removed[i]) {
cout << i << " ";
}
}
cout << "\n";
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
solve();
return 0;
}
Részfeladat | Összpont | Teszt | Verdikt | Idő | Memória | ||
---|---|---|---|---|---|---|---|
base | 50/50 | ||||||
1 | Elfogadva | 0/0 | 4ms | 6528 KiB | |||
2 | Elfogadva | 0/0 | 48ms | 12392 KiB | |||
3 | Elfogadva | 2/2 | 4ms | 7664 KiB | |||
4 | Elfogadva | 2/2 | 4ms | 7664 KiB | |||
5 | Elfogadva | 2/2 | 3ms | 7680 KiB | |||
6 | Elfogadva | 2/2 | 4ms | 7672 KiB | |||
7 | Elfogadva | 2/2 | 4ms | 7688 KiB | |||
8 | Elfogadva | 2/2 | 3ms | 7700 KiB | |||
9 | Elfogadva | 2/2 | 3ms | 7696 KiB | |||
10 | Elfogadva | 2/2 | 6ms | 8124 KiB | |||
11 | Elfogadva | 2/2 | 4ms | 7936 KiB | |||
12 | Elfogadva | 2/2 | 6ms | 8168 KiB | |||
13 | Elfogadva | 3/3 | 4ms | 8028 KiB | |||
14 | Elfogadva | 3/3 | 6ms | 8528 KiB | |||
15 | Elfogadva | 3/3 | 7ms | 8892 KiB | |||
16 | Elfogadva | 3/3 | 45ms | 13024 KiB | |||
17 | Elfogadva | 3/3 | 6ms | 9736 KiB | |||
18 | Elfogadva | 3/3 | 8ms | 10824 KiB | |||
19 | Elfogadva | 3/3 | 64ms | 17756 KiB | |||
20 | Elfogadva | 3/3 | 105ms | 21544 KiB | |||
21 | Elfogadva | 3/3 | 70ms | 21464 KiB | |||
22 | Elfogadva | 3/3 | 3ms | 13792 KiB |