#include <bits/stdc++.h>
#define suiii ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define ll long long
#define co cout<<
//#pragma GCC optimize("O3,Ofast,unroll-loops")
//#pragma GCC target("avx2,sse3,sse4,avx")
using namespace std;
//stuff
int n,m;
vector<int>v[3005];
bitset<3005>curr,mat[3005],vis;
int cnt=0;
void rec(int x){
if(cnt==n/3){
for(int i=0;i<3005;i++){
if(curr[i]==1) co i<<' ';
}
exit(0);
}
if(x==n) return;
if(n-x+cnt<n/3) return ;
if((curr&mat[x])==curr){
curr[x]=1;
cnt++;
rec(x+1);
cnt--;
curr[x]=0;
}
rec(x+1);
return;
}
void rec1(ll x){
if(x==n/3){
for(int i=0;i<3005;i++){
if(curr[i]==1) co i<<' ';
}
exit(0);
}
ll num=rand()%n+1;
while(vis[num]||(curr&mat[num])!=curr) num=rand()%n+1;
vis[num]=1;
curr[num]=1;
rec1(x+1);
curr[num]=0;
vis[num]=0;
}
void solve(){
cin>>n>>m;
for(int i=0;i<m;i++){
ll a,b;
cin>>a>>b;
mat[a][b]=1;
mat[b][a]=1;
}
if(n<=20) rec(0);
else while(1) rec1(0);
}
int main()
{
suiii
int t=1;
// cin>>t;
while(t--){
solve();
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3035 ms |
600 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3038 ms |
600 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
600 KB |
Output is correct |
2 |
Correct |
30 ms |
856 KB |
Output is correct |
3 |
Correct |
32 ms |
2652 KB |
Output is correct |
4 |
Execution timed out |
3012 ms |
2640 KB |
Time limit exceeded |
5 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
10 ms |
604 KB |
Output is correct |
2 |
Correct |
78 ms |
1064 KB |
Output is correct |
3 |
Correct |
85 ms |
4944 KB |
Output is correct |
4 |
Correct |
76 ms |
5144 KB |
Output is correct |
5 |
Correct |
83 ms |
4900 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
23 ms |
856 KB |
Output is correct |
2 |
Execution timed out |
3049 ms |
6676 KB |
Time limit exceeded |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
63 ms |
1108 KB |
Output is correct |
2 |
Correct |
152 ms |
8652 KB |
Output is correct |
3 |
Execution timed out |
3043 ms |
8108 KB |
Time limit exceeded |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
131 ms |
1364 KB |
Output is correct |
2 |
Execution timed out |
3069 ms |
1372 KB |
Time limit exceeded |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
162 ms |
1612 KB |
Output is correct |
2 |
Correct |
245 ms |
1620 KB |
Output is correct |
3 |
Correct |
219 ms |
12628 KB |
Output is correct |
4 |
Execution timed out |
3063 ms |
12564 KB |
Time limit exceeded |
5 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
198 ms |
1680 KB |
Output is correct |
2 |
Execution timed out |
3058 ms |
14928 KB |
Time limit exceeded |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
201 ms |
1872 KB |
Output is correct |
2 |
Execution timed out |
3063 ms |
1836 KB |
Time limit exceeded |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
268 ms |
1880 KB |
Output is correct |
2 |
Execution timed out |
3073 ms |
1628 KB |
Time limit exceeded |
3 |
Halted |
0 ms |
0 KB |
- |