Submission #384854

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
384854	2021-04-02 13:22:23	ritul_kr_singh	Paths (BOI18_paths)	C++17	100 / 100	601 ms	62360 KiB

paths

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#include <bits/stdc++.h>
using namespace std;
#define int long long
#define sp << ' ' <<
#define nl << '\n'
vector<vector<int>> g;
signed main(){
  cin.tie(0)->sync_with_stdio(0);
  int n, m, k, x, y; cin >> n >> m >> k;
  int c[n];
  for(int i=0; i<n; ++i) cin >> c[i], c[i] = (1<<(c[i]-1));
  g.resize(n);
  while(m--){
    cin >> x >> y; --x, --y;
    g[x].push_back(y);
    g[y].push_back(x);
  }
  int ans = 0;
  int dp[n][1<<k];
  for(int i=0; i<n; ++i){
    fill(dp[i], dp[i]+(1<<k), 0LL);
    dp[i][c[i]] = 1; 
  }
  for(int cnt=1; cnt<k; ++cnt){
    for(int u=0; u<n; ++u) for(int v : g[u]){
      for(int i=0; i<(1<<k); ++i){
 
 
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• Subtask 1: 23 / 23
• Subtask 2: 20 / 20
• Subtask 3: 27 / 27
• Subtask 4: 30 / 30