#include <bits/stdc++.h>
//#include "Allincludes.h"
typedef long long ll;
using namespace std;
#define int long long
vector<vector<int>>e;
signed main(){
int n, m;
cin >> n >> m;
e.resize(n+1);
map<pair<int, int>, bool>f;
while(m--){
int a, b;
cin >> a >> b;
e[a].push_back(b);
e[b].push_back(a);
f[{a, b}] = 1;
f[{b, a}] = 1;
}
bool ii[n+1];
fill(ii, ii+n+1, 0);
for(int i = 1; i <= n; i++){
for(int j = 1; j <= n; j++){
if(!ii[i] && !ii[j]){
// cout << i << " " << j << " " << f[{i, j}]<<endl;
if(i != j && f[{i, j}] == 0){
ii[i] = 1;
ii[j] = 1;
for(auto x : e[i]){
f[{i, x}] = 0;
f[{x, i}] = 0;
}
for(auto x : e[j]){
f[{x, j}] = 0;
f[{j, x}] = 0;
}
}
}
}
}
vector<int>ans;
for(int i = 1; i <= n; i++){
for(auto x : e[i]){
if(f[{i, x}]){
ans.push_back(i);
break;
}
if(f[{x, i}]){
ans.push_back(i);
break;
}
}
}
int y = n/3;
for(int i = 0; i < y; i++){
cout << ans[i] << " ";
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
4 ms |
856 KB |
Output is correct |
4 |
Correct |
4 ms |
860 KB |
Output is correct |
5 |
Correct |
4 ms |
856 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
17 ms |
2476 KB |
Output is correct |
2 |
Correct |
166 ms |
14408 KB |
Output is correct |
3 |
Correct |
183 ms |
14480 KB |
Output is correct |
4 |
Correct |
173 ms |
14416 KB |
Output is correct |
5 |
Correct |
192 ms |
14420 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
82 ms |
8532 KB |
Output is correct |
2 |
Correct |
1093 ms |
56916 KB |
Output is correct |
3 |
Correct |
1218 ms |
57176 KB |
Output is correct |
4 |
Correct |
1150 ms |
56868 KB |
Output is correct |
5 |
Correct |
1222 ms |
56916 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
219 ms |
18260 KB |
Output is correct |
2 |
Runtime error |
603 ms |
65536 KB |
Execution killed with signal 9 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
677 ms |
41556 KB |
Output is correct |
2 |
Runtime error |
604 ms |
65536 KB |
Execution killed with signal 9 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
574 ms |
65536 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
603 ms |
65536 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
650 ms |
65536 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
550 ms |
65536 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
630 ms |
65536 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
530 ms |
65536 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |