View Compilation Error

0_0_2404171_16453.cpp:29: error: expected init-declarator before "void"
0_0_2404171_16453.cpp:29: error: expected `,' or `;' before "void"
0_0_2404171_16453.cpp: In function `void dfs(int, int, int, int)':
0_0_2404171_16453.cpp:47: error: `getp' undeclared (first use this function)
0_0_2404171_16453.cpp:47: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_2404171_16453.cpp: In function `void solve()':
0_0_2404171_16453.cpp:172: error: `getp' undeclared (first use this function)
0_0_2404171_16453.cpp:181: error: `convey' undeclared (first use this function)