View Compilation Error

343755_0_20189.cpp: In function `void dfs(int)':
343755_0_20189.cpp:26: error: `count' undeclared (first use this function)
343755_0_20189.cpp:26: error: (Each undeclared identifier is reported only once for each function it appears in.)
343755_0_20189.cpp: In function `int main()':
343755_0_20189.cpp:87: error: `count' undeclared (first use this function)