Submission #418578

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
418578	2021-06-05 14:37:41	Berted	Senior Postmen (BOI14_postmen)	C++14	55 / 100	503 ms	71528 KiB

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#include <iostream>
#include <vector>
#define pii pair<int, int>
#define fst first
#define snd second
using namespace std;
const int INF = 1e9;
int N, M, H[500001];
vector<pii> adj[500001];
bool used[500001];
int DFS(int u)
{
  while (adj[u].size())
  {
    int v = adj[u].back().fst, id = adj[u].back().snd; adj[u].pop_back();
    if (used[id]) continue;
    used[id] = 1;
    if (H[v] < H[u])
    {
      cout << u + 1 << " "; 
      H[u] = INF;
      return H[v];
    }
 
 
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• Subtask 1: 38 / 38
• Subtask 2: 17 / 17
• Subtask 3: 0 / 45