#include using namespace std; bool isVisit[11][11][11][11]; int N, M; int blueX, blueY, redX, redY; char maze[11][11]; struct marble{ int blueX; int blueY; int redX; int redY; int moveCnt; }; int main(){ cin.tie(NULL); cout.tie(NULL); ios_base::sync_with_stdio(false); cin >> N >> M; for(int i = 0; i < N; i++){ string input; cin >> input; for(int j = 0; j < M; j++){ maze[i][j] = input[j]; if(maze[i][j] == 'B'){ blueX = i; blueY = j; } if(maze[i][j] == 'R'){ redX = i; redY = j; } } } queue bfsQ; bfsQ.push({blueX, blueY, redX, redY, 0}); isVisit[blueX][blueY][redX][redY] = true; while(!bfsQ.empty()){ marble cur = bfsQ.front(); bfsQ.pop(); if(maze[cur.redX][cur.redY] == 'O'){ cout << cur.moveCnt << "\n"; return 0; } int dx[4] = {0, 1, 0, -1}; int dy[4] = {1, 0, -1, 0}; for(int i = 0; i < 4; i++){ int newBlueX = cur.blueX; int newBlueY = cur.blueY; int newRedX = cur.redX; int newRedY = cur.redY; int blueCnt = 0; while(maze[newBlueX + dx[i]][newBlueY + dy[i]] != '#' && maze[newBlueX][newBlueY] != 'O'){ newBlueX += dx[i]; newBlueY += dy[i]; blueCnt++; } int redCnt = 0; while(maze[newRedX + dx[i]][newRedY + dy[i]] != '#' && maze[newRedX][newRedY] != 'O'){ newRedX += dx[i]; newRedY += dy[i]; redCnt++; } if(maze[newBlueX][newBlueY] == 'O'){ continue; } if(newBlueX == newRedX && newBlueY == newRedY){ if(blueCnt > redCnt){ newBlueX -= dx[i]; newBlueY -= dy[i]; }else{ newRedX -= dx[i]; newRedY -= dy[i]; } } if(isVisit[newBlueX][newBlueY][newRedX][newRedY]){ continue; } isVisit[newBlueX][newBlueY][newRedX][newRedY] = true; bfsQ.push({newBlueX, newBlueY, newRedX, newRedY, cur.moveCnt + 1}); } } cout << "-1" << "\n"; return 0; }

15653. 구슬 탈출 4

15653. 구슬 탈출 4