View Compilation Error

0_0_8703500_11921.cpp:1:24: bits/stdc++.h: No such file or directory
0_0_8703500_11921.cpp:5: error: expected constructor, destructor, or type conversion before '<' token
0_0_8703500_11921.cpp:5: error: expected `,' or `;' before '<' token
0_0_8703500_11921.cpp: In function `void dfs(int, int)':
0_0_8703500_11921.cpp:10: error: `mp' undeclared (first use this function)
0_0_8703500_11921.cpp:10: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_8703500_11921.cpp:33: error: `max' undeclared (first use this function)
0_0_8703500_11921.cpp: In function `int main()':
0_0_8703500_11921.cpp:40: error: `scanf' undeclared (first use this function)
0_0_8703500_11921.cpp:43: error: `mp' undeclared (first use this function)
0_0_8703500_11921.cpp:50: error: `memset' undeclared (first use this function)
0_0_8703500_11921.cpp:56: error: `printf' undeclared (first use this function)