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Anonymous
c_cpp
05/01/2026 9:19 AM
2.4 KB
23
Indexable
#include <iostream>
#include <vector>

using namespace std;
int dx[4] = {-1, 1, 0, 0};
int dy[4] = {0, 0, -1, 1};
void check(const vector<vector<int>>& mine_place, const vector<vector<int>>& board) {
    for (int i = 0; i < mine_place.size(); i++) {
        for (int j = 0; j < mine_place[0].size(); j++) {
            int count = 0;
            for (int k = 0; k < 4; k++) {
                int x = i + dx[k];
                int y = j + dy[k];
                if (x >= 0 && x < mine_place.size() && y >= 0 && y < mine_place[0].size()) {
                    count += mine_place[x][y];
                }
            }
            if (count != board[i][j]) {
                return;
            }
        }
    }
    for (int i = 0; i < mine_place.size(); i++) {
        for (int j = 0; j < mine_place[0].size(); j++) {
            cout << mine_place[i][j] << " ";
        }
        cout << endl;
    }
    exit(0);
}

void BackTracking(const vector<vector<int>>& board, vector<vector<int>>& mine_place, int i, int j) {
    for (int x = 0; x <= 1; x++){
        mine_place[i][j] = x;
        if (i == mine_place.size() - 1 && j == mine_place[0].size() - 1) {
            check(mine_place, board);
        }
        else if (j == mine_place[0].size() - 1) {
            BackTracking(board, mine_place, i + 1, 0);
        }
        else {
            BackTracking(board, mine_place, i, j + 1);
        }
    }
}    

int main(){
    int n, m;
    cin >> n >> m;
    vector<vector<int>> board;
    vector<vector<int>> mine_place;
    board.resize(n, vector<int>(m));
    mine_place.resize(n, vector<int>(m));
    for(int i = 0; i < n; i++){
        for(int j = 0; j < m; j++){
            cin >> board[i][j];
        }
    }

    BackTracking(board, mine_place, 0, 0);
}
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