Submission #422682

#	Time	Username	Problem	Language	Result	Execution time	Memory
422682		SSRS	Vision Program (IOI19_vision)	C++14	Compilation error	0 ms	0 KiB

vision

#include <bits/stdc++.h>
using namespace std;
void construct_network(int H, int W, int K){
  assert(H <= 30 && W <= 30);
  int cnt = H * W;
  vector<int> A;
  for (int x1 = 0; x1 < H; x1++){
    for (int y1 = 0; y1 < W; y1++){
      for (int x2 = 0; x2 < H; x2++){
        for (int y2 = 0; y2 < W; y2++){
          if (abs(x2 - x1) + abs(y2 - y1) == K){
            int a = x1 * H + y1;
            int b = x2 * H + y2;
            if (a < b){
              vector<int> id = {a, b};
              add_and(id);
              cnt++;
            }
          }
        }
      }
    }
  }
  vector<int> id;
  for (int i = H * W; i < cnt; i++){
    id.push_back(i);
  }
  add_or(id);
}

Compilation message (stderr)

vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:16:15: error: 'add_and' was not declared in this scope
   16 |               add_and(id);
      |               ^~~~~~~
vision.cpp:28:3: error: 'add_or' was not declared in this scope
   28 |   add_or(id);
      |   ^~~~~~