Submission #1008811

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1008811	2024-06-26 20:03:07	NintsiChkhaidze	Werewolf (IOI18_werewolf)	C++17	15 / 100	4053 ms	101692 KiB

werewolf

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#include "werewolf.h"
#include <bits/stdc++.h>
#define pb push_back
using namespace std;
 
const int NN = 2e5 + 3;
vector <int> v[NN],g[4][NN];
int p[NN],par[4][NN],d[5][25][NN],timer;
int tin[4][NN],tout[4][NN],rev[4][NN];
bool active[NN],fix[NN];
 
int P(int x){
  if (x==p[x]) return x;
  return p[x]=P(p[x]);
}
 
void dsu(int id,int x,int y){
  if (P(x) == P(y)) return;
  y = P(y);
  par[id][y] = x;
  g[id][x].pb(y);
//  cout<<"Edge "<<y<<" -> "<<x<<endl;
  p[y] = x;
}
 
void dfs(int id,int x,int par){
  d[id][0][x] = par;
//  cout<<"> "<<id<<" "<<x<<endl;
  tin[id][x] = ++timer;
  rev[id][timer] = x;
 
 
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Compilation message (stderr)

werewolf.cpp: In function 'std::vector<int> check_validity(int, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
werewolf.cpp:42:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   42 |   for (int i=0;i<X.size();i++){
      |                ~^~~~~~~~~
werewolf.cpp:76:15: warning: 'root2' may be used uninitialized in this function [-Wmaybe-uninitialized]
   76 |   timer=0; dfs(2,root2,root2);
      |            ~~~^~~~~~~~~~~~~~~
werewolf.cpp:75:15: warning: 'root1' may be used uninitialized in this function [-Wmaybe-uninitialized]
   75 |   timer=0; dfs(1,root1,root1);
      |            ~~~^~~~~~~~~~~~~~~

• Subtask 1: 7 / 7
• Subtask 2: 8 / 8
• Subtask 3: 0 / 34
• Subtask 4: 0 / 51