View Compilation Error

0_0_9511122_30324.cpp:13: error: `main' must return `int'
0_0_9511122_30324.cpp: In function `int main(...)':
0_0_9511122_30324.cpp:20: error: `count' undeclared (first use this function)
0_0_9511122_30324.cpp:20: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_9511122_30324.cpp: In function `void DFS(int, int)':
0_0_9511122_30324.cpp:52: error: `count' undeclared (first use this function)