View Compilation Error

0_0_7386972_4969.cpp: In function `void Init_tarjan()':
0_0_7386972_4969.cpp:25: error: `count' undeclared (first use this function)
0_0_7386972_4969.cpp:25: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_7386972_4969.cpp: In function `void tarjan(int)':
0_0_7386972_4969.cpp:49: error: `count' undeclared (first use this function)
0_0_7386972_4969.cpp: In function `int main()':
0_0_7386972_4969.cpp:80: error: `count' undeclared (first use this function)