Submission #1079205

#	Time	Username	Problem	Language	Result	Execution time	Memory
1079205		juicy	Vision Program (IOI19_vision)	C++17	100 / 100	52 ms	7556 KiB

vision

#include "vision.h"

#include <bits/stdc++.h>

using namespace std;

void construct_network(int n, int m, int k) {
  auto check = [&](int l) {
    if (l > n + m - 2) {
      return add_xor({0, 0});
    }
    vector<array<vector<int>, 2>> a(n + m - 1);
    for (int i = 0; i < n; ++i) { 
      for (int j = 0; j < m; ++j) {
        a[i + j][0].push_back(i * m + j);
        a[i - j + m - 1][1].push_back(i * m + j);
      }
    }
    vector<int> cands;
    array<vector<int>, 2> A;
    for (int i = l; i <= n + m - 2; ++i) {
      for (auto j : {0, 1}) {
        A[j].push_back(add_or(a[i - l][j]));
        cands.push_back(add_and({add_or(A[j]), add_or(a[i][j])}));
      }
    }
    return add_or(cands);
  };
  add_and({check(k), add_not(check(k + 1))});
}

• Subtask 1: 10 / 10
• Subtask 2: 11 / 11
• Subtask 3: 11 / 11
• Subtask 4: 15 / 15
• Subtask 5: 12 / 12
• Subtask 6: 8 / 8
• Subtask 7: 14 / 14
• Subtask 8: 19 / 19