View Compilation Error

0_0_1492536_5911.cpp:1:22:  iostream : No such file or directory
0_0_1492536_5911.cpp:2:19:  queue : No such file or directory
0_0_1492536_5911.cpp: In function `int bfs()':
0_0_1492536_5911.cpp:21: error: `memset' undeclared (first use this function)
0_0_1492536_5911.cpp:21: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_1492536_5911.cpp:22: error: `queue' undeclared (first use this function)
0_0_1492536_5911.cpp:22: error: expected primary-expression before '>' token
0_0_1492536_5911.cpp:22: error: `Q' undeclared (first use this function)
0_0_1492536_5911.cpp: In function `int main()':
0_0_1492536_5911.cpp:86: error: `scanf' undeclared (first use this function)
0_0_1492536_5911.cpp:86: error: `EOF' undeclared (first use this function)
0_0_1492536_5911.cpp:102: error: `printf' undeclared (first use this function)