View Compilation Error

0_0_8811668_16858.cpp:8: error: size of array `map' is too large
0_0_8811668_16858.cpp: In function `int bfs(int)':
0_0_8811668_16858.cpp:19: error: `map' undeclared (first use this function)
0_0_8811668_16858.cpp:19: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_8811668_16858.cpp: In function `int main()':
0_0_8811668_16858.cpp:38: error: `map' undeclared (first use this function)