Submission #815771

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
815771	2023-08-08 22:12:46	Lobo	Werewolf (IOI18_werewolf)	C++17	100 / 100	676 ms	131860 KiB

werewolf

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#include "werewolf.h"
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define mp make_pair
#define fr first
#define sc second
#define all(x) x.begin(),x.end()
const int inf = 1e9+10;
const int maxn = 4e5+10;
const int lg = 19;
int n, tin[2][maxn], tout[2][maxn], timer, tr[4*maxn];
int ds[2][maxn], dsz[2][maxn];
pair<int,int> p[2][lg+1][maxn];
vector<pair<int,int>> g[2][maxn];
int find(int id, int v) {
  if(ds[id][v] == v) return v;
  return ds[id][v] = find(id,ds[id][v]);
}
void join(int id, int u, int v, int w) {
  u = find(id,u);
  v = find(id,v);
  if(u == v) return;
  if(dsz[id][u] < dsz[id][v]) swap(u,v);
  //cout << id << " " << u << " " << v << " " << w << endl;
  ds[id][v] = u;
 
 
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Compilation message (stderr)

werewolf.cpp: In function 'void dfseulertour(int, int, int)':
werewolf.cpp:40:7: warning: unused variable 'w' [-Wunused-variable]
   40 |   int w = V.fr;
      |       ^
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:127:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  127 |  for(int i = 0; i < S.size(); i++) {
      |                 ~~^~~~~~~~~~

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