Submission #1366515

#	Time	Username	Problem	Language	Result	Execution time	Memory
1366515		EJIC_B_KEDAX	Vision Program (IOI19_vision)	C++20	Compilation error	0 ms	0 KiB

vision

#include "vision.h"
#include <bits/stdc++.h>
#include <cassert>

using namespace std;

void construct_network(int h, int w, int k) {
    int fre = h * w;
    const int K = 10;
    int bi = -1, bj = -1;
    vector<vector<int>> sq((h + K - 1) / K, vector<int>((w + K - 1) / K));
    for (int i = 0; i < sq.size(); i++) {
        for (int j = 0; j < sq[i].size(); j++) {
            vector<int> in;
            for (int x = 0; x < K && i * K + x < h; x++) {
                for (int y = 0; y < K && j * K + y < w; y++) {
                    in.push_back((i * K + x) * w + j * K + y);
                }
            }
            sq[i][j] = fre;
            int v = add_or(in);
            fre++;
            if (v) {
                bi = i;
                bj = i;
                break;
            }
        }
    }
    vector<int> sc;
    for (int i = bi; i < min(h, bi + K); i++) {
        for (int j = bj; j < min(w, bj + K); j++) {
            vector<int> in1, in2;
            in1.push_back(x * w + y);
            for (int d = 0; d < k; d++) {
                int x1 = x + d;
                int y1 = y + k - d;
                if (x1 >= 0 && x1 < h && y1 >= 0 && y1 < w) {
                    in2.push_back(x1 * w + y1);
                }
            }
            for (int d = 0; d < k; d++) {
                int x1 = x + k - d;
                int y1 = y - d;
                if (x1 >= 0 && x1 < h && y1 >= 0 && y1 < w) {
                    in2.push_back(x1 * w + y1);
                }
            }
            for (int d = 0; d < k; d++) {
                int x1 = x - d;
                int y1 = y - (k - d);
                if (x1 >= 0 && x1 < h && y1 >= 0 && y1 < w) {
                    in2.push_back(x1 * w + y1);
                }
            }
            for (int d = 0; d < k; d++) {
                int x1 = x - (k - d);
                int y1 = y + d;
                if (x1 >= 0 && x1 < h && y1 >= 0 && y1 < w) {
                    in2.push_back(x1 * w + y1);
                }
            }
            if (!in1.empty() && !in2.empty()) {
                // add_or(in1);
                add_or(in2);
                add_and({in1[0], fre});
                sc.push_back(fre + 1);
                fre += 2;
            }
        }
    }
    assert(!sc.empty());
    add_or(sc);
}

Compilation message (stderr)

vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:34:27: error: 'x' was not declared in this scope
   34 |             in1.push_back(x * w + y);
      |                           ^
vision.cpp:34:35: error: 'y' was not declared in this scope
   34 |             in1.push_back(x * w + y);
      |                                   ^