Submission #223804

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
223804	2020-04-16 13:35:19	rama_pang	Sky Walking (IOI19_walk)	C++14	100 / 100	3128 ms	233496 KiB

walk

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#include <bits/stdc++.h>
using namespace std;
class Graph {
 private:
  struct edge_t {
    int v;
    long long w;
    edge_t() {}
    edge_t(int v, long long w) : v(v), w(w) {}
    bool operator < (const edge_t &o) const { return w > o.w; }
  };
  vector<vector<edge_t>> adj;
 public:
  Graph() {}
  int AddVertex() {
    adj.emplace_back();
    return (int) adj.size() - 1;
  }
  void AddEdge(int u, int v, long long w) {
    adj[u].emplace_back(v, w);
    adj[v].emplace_back(u, w);
  }
  long long Dijkstra(int s, int g) {
    priority_queue<edge_t> pq;
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 14 / 14
• Subtask 3: 15 / 15
• Subtask 4: 18 / 18
• Subtask 5: 43 / 43