View Compilation Error

0_0_14807614_14512.cpp:48:13: error: stray '\241' in program
             c[x].str = c[u].str + ‘E‘;
             ^
0_0_14807614_14512.cpp:48:13: error: stray '\256' in program
0_0_14807614_14512.cpp:48:13: error: stray '\241' in program
0_0_14807614_14512.cpp:48:13: error: stray '\256' in program
0_0_14807614_14512.cpp:54:13: error: stray '\241' in program
             c[x].str = c[u].str + ‘W‘;
             ^
0_0_14807614_14512.cpp:54:13: error: stray '\256' in program
0_0_14807614_14512.cpp:54:13: error: stray '\241' in program
0_0_14807614_14512.cpp:54:13: error: stray '\256' in program
0_0_14807614_14512.cpp: In function 'bool dfs(int)':
0_0_14807614_14512.cpp:48:37: error: 'E' was not declared in this scope
             c[x].str = c[u].str + ‘E‘;
                                     ^
0_0_14807614_14512.cpp:54:37: error: 'W' was not declared in this scope
             c[x].str = c[u].str + ‘W‘;
                                     ^