Submission #1092826

#	Time	Username	Problem	Language	Result	Execution time	Memory
1092826		Fran	ICC (CEOI16_icc)	C++17	100 / 100	94 ms	652 KiB

icc

#include "icc.h"
#include<bits/stdc++.h>
using namespace std;

constexpr int N = 101;

int rang[101];

vector<int> ver[101];

int qry(vector<int> a, vector<int> b) {
  return query(a.size(), b.size(), &a[0], &b[0]);
}

int find(int x) {
  return rang[x] == x ? x : rang[x] = find(rang[x]);
}

int find(vector<int> a, vector<int> b) {
  if(a.size() == 1) {
    return a[0];
  }

  int mid = a.size() / 2;
  auto lv = vector(a.begin(), a.begin() + mid), rv = vector(a.begin() + mid, a.end());
  return qry(lv, b) ? find(lv, b) : find(rv, b);
}

void run(int n) {
  iota(rang, rang+n+1, 0);
  for(int i = 1; i <= n; ++i) ver[i].push_back(i);
  for(int e = 0; e < n - 1; ++e) {
    vector<int> root;
    for(int i = 1; i <= n; ++i) {
      if(rang[i] == i) root.push_back(i);
    }
    int roots = root.size();
    int x = 0, k = -1;
    for(int i = 0; (1 << i) < roots; ++i) {
      vector<int> a, b;
      for(int j = 0; j < roots; ++j) {
        auto &v = (j >> i) & 1 ? a : b;
        v.insert(v.end(), ver[root[j]].begin(), ver[root[j]].end());
      }
      
      if(qry(a, b)) {
        x ^= 1 << i;
        k = i;
      }
    }
    int y = 0;
    for(int i = 0; (1 << i) < roots; ++i) {
      if(i == k) continue;
      vector<int> a, b;
      for(int j = 0; j < roots; ++j) {
        auto &v = j & (1 << i | 1 << k) ? a : b;
        v.insert(v.end(), ver[root[j]].begin(), ver[root[j]].end());
      }
      if(!qry(a, b)) y ^= 1 << i;
    }
    x ^= y;
    int u = find(ver[root[x]], ver[root[y]]);
    int v = find(ver[root[y]], ver[root[x]]);
    setRoad(u, v);
    for(auto& x : ver[rang[v]]) {
      rang[x] = rang[u];
      ver[rang[u]].push_back(x);
    }

  }
}

• Subtask 1: 7 / 7
• Subtask 2: 11 / 11
• Subtask 3: 22 / 22
• Subtask 4: 21 / 21
• Subtask 5: 29 / 29
• Subtask 6: 10 / 10