Submission #424708

#	Time	Username	Problem	Language	Result	Execution time	Memory
424708		madlogic	Vision Program (IOI19_vision)	C++17	33 / 100	10 ms	2372 KiB

vision

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

void construct_network(int H, int W, int K) {
  int cur = (H - 1) * W + W - 1;
  vector<int> v;
  map<int, bool> vis;
  map<pair<int, int>, bool> dp;
  for (int i = 0; i < H; i++) {
    for (int j = 0; j < W; j++) {
      for (int x = 0; x <= K; x++) {
        int y = K - x;
        for (int ys : {-y, y}) {
          int dx = i + x;
          int dy = j + ys;
          if (dx >= 0 && dx < H && dy >= 0 && dy < W) {
            int xx = i * W + j;
            int yy = dx * W + dy;
            if (vis.count(yy) || dp.count({xx, yy})) {
              continue;
            }
            dp[{xx, yy}] = dp[{yy, xx}] = true;
            add_and({xx, yy});
            ++cur;
            v.push_back(cur);
          }
        }
      }
      vis[i * W + j] = true;
    }
  }
  if (!v.empty())
    add_or(v);
}

• Subtask 1: 10 / 10
• Subtask 2: 11 / 11
• Subtask 3: 0 / 11
• Subtask 4: 0 / 15
• Subtask 5: 12 / 12
• Subtask 6: 0 / 8
• Subtask 7: 0 / 14
• Subtask 8: 0 / 19