View Compilation Error

229124_0_20326.cpp: In function `void dfs(int)':
229124_0_20326.cpp:20: error: `count' undeclared (first use this function)
229124_0_20326.cpp:20: error: (Each undeclared identifier is reported only once for each function it appears in.)
229124_0_20326.cpp: In function `int main()':
229124_0_20326.cpp:59: error: `count' undeclared (first use this function)