제출 #340522

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
340522	2020-12-27 19:54:27	keta_tsimakuridze	늑대인간 (IOI18_werewolf)	C++14	34 / 100	2558 ms	234068 KiB

werewolf

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#include <cstdio>
#include <cstdlib>
#include <vector>
#include "werewolf.h"
#include<bits/stdc++.h>
using namespace std;
const int N=4e5+5;
int par[2][N],p[2][N][25],sz[2][N],tmin[2][N],tmout[2][N],timer,Lg,F,bbb;
vector<int>v[N],V[2][N],tree[4*N];
set<int> P[2][N];
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
int find_parent(int u,int t){
  if(par[t][u]==u) return u;
  return par[t][u]=find_parent(par[t][u],t);
}
void merge(int u,int v,int t){
  int p1=find_parent(u,t);
  int p2=find_parent(v,t);
  if(p1==p2) return;  
  if(!t)V[t][u].push_back(*P[t][p2].begin()),V[t][*P[t][p2].begin()].push_back(u);
  else V[t][u].push_back(*--P[t][p2].end()),V[t][*--P[t][p2].end()].push_back(u);
  if(P[t][p1].size()<P[t][p2].size()) swap(p1,p2);
  while(P[t][p2].size()){
    int cc=*P[t][p2].begin();
    P[t][p1].insert(cc);
    par[t][cc]=p1;
    P[t][p2].erase(cc);
    
  }
}
 
 
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컴파일 시 표준 에러 (stderr) 메시지

werewolf.cpp: In function 'void dfs(int, int)':
werewolf.cpp:37:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |  for(int i=0;i<V[t][u].size();i++){
      |              ~^~~~~~~~~~~~~~~
werewolf.cpp: In function 'void update(int, int, int, int, int)':
werewolf.cpp:53:19: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   53 |  if(tree[u].size()==r-l+1) sort(tree[u].begin(),tree[u].end());
      |     ~~~~~~~~~~~~~~^~~~~~~
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:110:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  110 |     for(int j=0;j<v[i].size();j++){
      |                 ~^~~~~~~~~~~~
werewolf.cpp:121:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  121 |     for(int j=0;j<v[i].size();j++){
      |                 ~^~~~~~~~~~~~

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