#include <bits/stdc++.h>
using namespace std;
#define int long long
#define double long double
#define FOR(i,l,r,d) for(int i=(l);i<=(r);i+=(d))
#define szof(x) ((int)(x).size())
#define vi vector<int>
#define pii pair<int,int>
#define F first
#define S second
#define pb push_back
#define eb emplace_back
#define mkp make_pair
const int INF=2147483647;
const int MOD=1000000007;
const int mod=998244353;
const double eps=1e-12;
set<int> vis; /// visited edges
int n;
vector<pii> edge[3]; /// <idx,to>
int indeg[3], outdeg[3];
vi res;
/// nodes :
/// 0 : |
/// 1 : <
/// 2 : >
void EulerCircuit(int v){
for(pii i : edge[v]){ /// for all edges from v :
if( vis.find(i.F) == vis.end() ){ /// if i is not visited
/// mark i as visited
vis.insert(i.F);
/// dfs
EulerCircuit(i.S);
res.pb(i.F);
}
}
}
signed main(){
ios_base::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
/// input
cin>>n;
FOR(i,1,n,1){
int type, idx;
cin>>type>>idx;
if(type==1) edge[1].eb(idx,2);
if(type==2) edge[1].eb(idx,1);
if(type==3) edge[2].eb(idx,2);
if(type==4) edge[2].eb(idx,1);
if(type==5) edge[0].eb(idx,2);
if(type==6) edge[0].eb(idx,1);
if(type==7) edge[1].eb(idx,0);
if(type==8) edge[2].eb(idx,0);
}
/// check if Euler circuit exists
FOR(i,0,2,1){
outdeg[i] = szof(edge[i]);
for(pii j : edge[i]){
indeg[j.S]++;
}
}
FOR(i,0,2,1){
if( indeg[i] != outdeg[i] ){
cout<<-1<<'\n';
return 0;
}
}
/// sort edges
FOR(i,0,2,1){
sort(edge[i].begin(),edge[i].end());
}
/// find lex. smallest Euler circuit
EulerCircuit(0);
/// output
reverse(res.begin(),res.end());
for(int i : res){
cout<<i<<" ";
}
cout<<'\n';
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
1091 ms |
3808 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
1088 ms |
3744 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
22 ms |
3288 KB |
Output is correct |
2 |
Execution timed out |
1082 ms |
3780 KB |
Time limit exceeded |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
18 ms |
3228 KB |
Output is correct |
2 |
Execution timed out |
1096 ms |
3556 KB |
Time limit exceeded |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
1096 ms |
3892 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
1085 ms |
3812 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
19 ms |
3164 KB |
Output is correct |
2 |
Execution timed out |
1082 ms |
4120 KB |
Time limit exceeded |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
1089 ms |
4392 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
1041 ms |
3888 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
1043 ms |
4184 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
1095 ms |
3844 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
1085 ms |
3712 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |