View Compilation Error

0_0_13952080_23043.cpp: In function 'int main()':
0_0_13952080_23043.cpp:279:16: error: 'maze' was not declared in this scope
             if(maze[0][i] == '0')         BFS(0,i);
                ^
0_0_13952080_23043.cpp:280:16: error: 'maze' was not declared in this scope
             if(maze[mapSize-1][i] == '0') BFS(mapSize-1,i);
                ^
0_0_13952080_23043.cpp:281:16: error: 'maze' was not declared in this scope
             if(maze[i][0] == '0')         BFS(i,0);
                ^
0_0_13952080_23043.cpp:282:16: error: 'maze' was not declared in this scope
             if(maze[i][mapSize-1] == '0') BFS(i,mapSize-1);
                ^