Submission #554467

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
554467	2022-04-28 12:45:51	keta_tsimakuridze	Werewolf (IOI18_werewolf)	C++14	100 / 100	3760 ms	428156 KiB

werewolf

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#include<bits/stdc++.h>
#include "werewolf.h"
using namespace std;
#define pii pair<int,int>
#define f first
#define s second
const int N = 5e5 + 5, inf = 1e9;
vector<int> V[2][N];
int cur[2], x[2][N], p[2][N][20], timer[2], tmin[2][N], tmout[2][N], pos[2][N], n;
int par[2][N];
vector<pii> edges;
set<int> s[4 * N];
int find(int u,int t) {
  return (par[t][u] == u ? u : par[t][u] = find(par[t][u], t));
}
void build(vector<pair<int,int> > edges, int t) {
  cur[t] = n; 
  for(int i = 1; i <= cur[t]; i++) par[t][i] = i;
  for(int i = 0; i < edges.size(); i++) {
    int u = edges[i].f, v = edges[i].s;
    if(find(u, t) != find(v, t)) {
      ++cur[t]; par[t][cur[t]] = cur[t];
      V[t][cur[t]].push_back(find(u, t));
      V[t][cur[t]].push_back(find(v, t));
      x[t][cur[t]] = u;
      u = find(u, t), v = find(v, t);
      par[t][u] = cur[t];
      par[t][v] = cur[t];
      p[t][u][0] = p[t][v][0] = cur[t];
      
 
 
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Compilation message (stderr)

werewolf.cpp: In function 'void build(std::vector<std::pair<int, int> >, int)':
werewolf.cpp:19:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |  for(int i = 0; i < edges.size(); i++) {
      |                 ~~^~~~~~~~~~~~~~
werewolf.cpp: In function 'void dfs(int, int)':
werewolf.cpp:46:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   46 |  for(int i = 0; i < V[t][u].size(); i++) {
      |                 ~~^~~~~~~~~~~~~~~~
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:81:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   81 |     for(int i = 0; i < X.size(); i++) {
      |                    ~~^~~~~~~~~~
werewolf.cpp:89:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   89 |  for(int i = 0; i < edges.size(); i++) {
      |                 ~~^~~~~~~~~~~~~~
werewolf.cpp:102:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  102 |  for(int i = 0; i < S.size(); i++) {
      |                 ~~^~~~~~~~~~

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