View Compilation Error

0_0_8380503_1012.cpp:60: error: stray '\163' in program
0_0_8380503_1012.cpp:60: error: stray '\187' in program
0_0_8380503_1012.cpp:61: error: expected init-declarator before "void"
0_0_8380503_1012.cpp:61: error: expected `,' or `;' before "void"
0_0_8380503_1012.cpp: In function `int main()':
0_0_8380503_1012.cpp:117: error: `file_root' undeclared (first use this function)
0_0_8380503_1012.cpp:117: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_8380503_1012.cpp:119: error: `dfs' undeclared (first use this function)