Submission #446404

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
446404	2021-07-21 21:00:40	LucaDantas	Keys (IOI21_keys)	C++17	100 / 100	1505 ms	147136 KiB

keys

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#include "keys.h"
#include <bits/stdc++.h>
using namespace std;
template<typename T> ostream& operator<<(ostream &os, const vector<T> &v) { os << '['; string sep = ""; for (const auto &x : v) os << sep << x, sep = ", "; return os << ']'; }
template<typename A, typename B> ostream& operator<<(ostream &os, const pair<A, B> &p) { return os << '(' << p.first << ", " << p.second << ')'; }
template<typename A> ostream& operator<<(ostream &os, const set<A> &s) { os << '{'; string sep = ""; for (const auto &x : s) os << sep << x, sep = ", "; return os << '}'; }
template<typename A, typename B> ostream& operator<<(ostream &os, const map<A, B> &m) { os << '{'; string sep = ""; for (const auto &x : m) os << sep << x.first << " -> " << x.second, sep = ", "; return os << '}'; }
void debug() { cerr << endl; }
template<typename Ini, typename... Fim> void debug(Ini I, Fim... F) { cerr << I; if(sizeof...(F)) cerr << ", "; debug(F...);}
#define db(...) cerr << "DEBUG (" << #__VA_ARGS__ << ") == ", debug(__VA_ARGS__)
#define pb push_back
#define sz(a) ((int)(a).size())
#define all(a) (a).begin(),(a).end()
constexpr int inf = 0x3f3f3f3f;
constexpr int maxn = 3e5 + 10;
struct DSU {
  int pai[maxn], peso[maxn];
  vector<int> validos[maxn];
  set<int> cores[maxn];
  map<int,vector<int>> g[maxn];
  
  DSU() { for(int i = 0; i < maxn; i++) pai[i] = i, peso[i] = 1; }
  
  int find(int x) { return pai[x] == x ? x : pai[x] = find(pai[x]); }
 
 
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• Subtask 1: 9 / 9
• Subtask 2: 11 / 11
• Subtask 3: 17 / 17
• Subtask 4: 30 / 30
• Subtask 5: 33 / 33