Submission #138721

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
138721	2019-07-30 09:10:22	MAMBA	Werewolf (IOI18_werewolf)	C++17	100 / 100	2458 ms	253380 KiB

werewolf

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#include "werewolf.h"
#include <bits/stdc++.h>
using namespace std;
#define rep(i , j ,k) for (int i = j; i < (int)k; i++)
#define pb push_back
typedef vector<int> vi;
const int N = 2e5 + 10;
struct dsu {
  int par[N];
  vi h[N];
  unordered_map<int , int> mp[N];
  dsu() {
    iota(par , par + N, 0);
    rep(i , 0 , N) { 
      mp[i][i] = 0;
      h[i].pb(i);
    }
  }
  int getPar(int v) {
    return par[v] == v ? v : par[v] = getPar(par[v]);
  }
  bool merge(int u , int v) {
    if ((v = getPar(v)) == (u = getPar(u))) return false;
    if (h[u].size() < h[v].size()) swap(u , v);
    for (auto e : h[v]) {
 
 
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• Subtask 1: 7 / 7
• Subtask 2: 8 / 8
• Subtask 3: 34 / 34
• Subtask 4: 51 / 51