// Make the best become better
// No room for laziness
#include<bits/stdc++.h>
#define int long long
#define pb push_back
#define fi first
#define se second
using namespace std;
using ll = long long;
using ld = long double;
using ull = unsigned long long;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
const int maxN = 1e6 + 5;
const int mod = 1e9 + 7;
const ll oo = 1e18;
int n, m;
int id = 0;
vector<int> path[maxN];
vector<int> adj[maxN];
void ReadInput()
{
cin >> n >> m;
for(int i=1; i<=m; i++)
{
int u, v;
cin >> u >> v;
adj[u].pb(v);
adj[v].pb(u);
}
}
void dfs(int u)
{
while(!adj[u].empty())
{
int v = adj[u].back();
adj[u].pop_back();
dfs(v);
}
path[id].pb(u);
}
void Solve()
{
for(int i=1; i<=n; i++)
{
if(adj[i].empty()) continue;
id++;
dfs(i);
}
//cout << id;return;
for(int i=1; i<=id; i++, cout << '\n')
{
reverse(path[i].begin(), path[i].end());
for(int v : path[i])
cout << v << " ";
}
}
int32_t main()
{
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
ReadInput();
Solve();
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
24 ms |
47256 KB |
Same junction appears twice in a route |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
27 ms |
47268 KB |
Same junction appears twice in a route |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
29 ms |
47172 KB |
Same junction appears twice in a route |
2 |
Halted |
0 ms |
0 KB |
- |