Submission #422822

# Submission time Handle Problem Language Result Execution time Memory
422822 2021-06-10T12:48:15 Z SSRS Vision Program (IOI19_vision) C++14
Compilation error
0 ms 0 KB
#include <bits/stdc++.h>
#include "vision.h"
using namespace std;
void construct_network(int H, int W, int K){
  if (K == 1){
    int mx = H + W - 1;
    vector<vector<int>> id1(mx), id2(mx);
    for (int i = 0; i < H; i++){
      for (int j = 0; j < W; j++){
        id1[i + j].push_back(i * W + j);
        id2[i - j + (W - 1)].push_back(i * W + j);
      }
    }
    vector<int> a(mx), b(mx);
    for (int i = 0; i < mx; i++){
      a[i] = add_or(id1[i]);
      b[i] = add_or(id2[i]);
    }
    vector<int> a2(mx - 1), b2(mx - 1);
    for (int i = 0; i < mx - 1; i++){
      a2[i] = add_and({a[i], a[i + 1]});
      b2[i] = add_and({b[i], b[i + 1]});
    }
    int X = add_or(a2);
    int Y = add_or(b2);
    add_and({X, Y});
  } else {
    vector<int> A;
    if (max(H, W) <= 30 || min(H, W) == 1){
      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 * W + y1;
                int b = x2 * W + y2;
                if (a < b){
                  vector<int> id = {a, b};
                  add_and(id);
                  cnt++;
                }
              }
            }
          }
        }
      }
    } else {
      for (int x = 0; x < H; x++){
        for (int y = 0; y < W; y++){
          if (x + y == K){
            int a = x * W + y;
            vector<int> id = {0, a};
            add_and(id);
            cnt++;
          }
        }
      }
    }
    vector<int> id;
    for (int i = H * W; i < cnt; i++){
      id.push_back(i);
    }
    add_or(id);
  }
}

Compilation message

vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:40:19: error: 'cnt' was not declared in this scope; did you mean 'int'?
   40 |                   cnt++;
      |                   ^~~
      |                   int
vision.cpp:54:13: error: 'cnt' was not declared in this scope; did you mean 'int'?
   54 |             cnt++;
      |             ^~~
      |             int
vision.cpp:60:29: error: 'cnt' was not declared in this scope; did you mean 'int'?
   60 |     for (int i = H * W; i < cnt; i++){
      |                             ^~~
      |                             int