View Compilation Error

0_0_29390133_10963.cpp: In function 'void bfs(node)':
0_0_29390133_10963.cpp:65:22: error: 'redudant' was not declared in this scope
             if (b <= redudant && !flag[a +b][0][c])
                      ^
0_0_29390133_10963.cpp:90:22: error: 'redudant' was not declared in this scope
             if (c <= redudant && !flag[a + c][b][0])
                      ^