Submission #195357

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
195357	2020-01-16 07:21:00	kdh9949	Werewolf (IOI18_werewolf)	C++17	100 / 100	1998 ms	149496 KiB

werewolf

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#include "werewolf.h"
#include <bits/stdc++.h>
using namespace std;
const int N = 200005, LG = 18;
int n, q, p[2 * N], tim[2][2 * N], sgs[2][2 * N], sge[2][2 * N], cnt;
int sp[2][LG][2 * N];
vector<int> e[N], t[2 * N];
struct Qry{ int i, s, e, sgn; };
vector<Qry> qv[N];
vector<int> pos[N];
int f(int x){ return p[x] = (x == p[x] ? x : f(p[x])); }
void aft(int id, int x){
  if(x < n){
    sgs[id][x] = sge[id][x] = ++cnt;
    return;
  }
  sgs[id][x] = N;
  for(int i : t[x]){
    aft(id, i);
    sgs[id][x] = min(sgs[id][x], sgs[id][i]);
    sge[id][x] = max(sge[id][x], sge[id][i]);
  }
}
struct Fen{
 
 
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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:42:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i = 0; i < X.size(); i++){
                  ~~^~~~~~~~~~

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