View Compilation Error

0_0_11235975_19559.cpp: In function `void tarjan(int, int)':
0_0_11235975_19559.cpp:57: error: `vcnt' undeclared (first use this function)
0_0_11235975_19559.cpp:57: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_11235975_19559.cpp:58: error: `h' undeclared (first use this function)
0_0_11235975_19559.cpp: In function `void deal()':
0_0_11235975_19559.cpp:185: error: `cntbfs' undeclared (first use this function)
0_0_11235975_19559.cpp:211: error: `vcnt' undeclared (first use this function)
0_0_11235975_19559.cpp:56: error: too few arguments to function `void tarjan(int, int)'
0_0_11235975_19559.cpp:212: error: at this point in file