View Compilation Error

0_0_20959917_19872.cpp:15:10: error: stray '#' in program
     cnt +=  2*dfs(n-2) + dfs(n-1);
          ^
0_0_20959917_19872.cpp:15:29: error: stray '#' in program
     cnt +=  2*dfs(n-2) + dfs(n-1);
                             ^
0_0_20959917_19872.cpp: In function 'int dfs(int)':
0_0_20959917_19872.cpp:15:14: error: expected primary-expression before '=' token
     cnt +=  2*dfs(n-2) + dfs(n-1);
              ^