View Compilation Error

39824_0_24316.cpp: In function `void dfs(int)':
39824_0_24316.cpp:15: error: `count' undeclared (first use this function)
39824_0_24316.cpp:15: error: (Each undeclared identifier is reported only once for each function it appears in.)
39824_0_24316.cpp: In function `int main()':
39824_0_24316.cpp:55: error: `count' undeclared (first use this function)