View Compilation Error

0_0_4561411_22467.cpp:46: error: expected unqualified-id before "int"
0_0_4561411_22467.cpp:46: error: expected `,' or `;' before "int"
0_0_4561411_22467.cpp: In function `int main()':
0_0_4561411_22467.cpp:114: error: `nm' undeclared (first use this function)
0_0_4561411_22467.cpp:114: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_4561411_22467.cpp:115: error: `dfs2' undeclared (first use this function)