View Compilation Error

0_0_15131036_31650.cpp: In function 'void init()':
0_0_15131036_31650.cpp:29:20: error: 'i' was not declared in this scope
            if (map[i][j])
                    ^
0_0_15131036_31650.cpp:29:23: error: 'j' was not declared in this scope
            if (map[i][j])
                       ^