View Compilation Error

1_549_843_20175.cpp:1:24: bits/stdc++.h: No such file or directory
1_549_843_20175.cpp: In function `int main()':
1_549_843_20175.cpp:7: error: `scanf' undeclared (first use this function)
1_549_843_20175.cpp:7: error: (Each undeclared identifier is reported only once for each function it appears in.)
1_549_843_20175.cpp:14: error: `sqrt' undeclared (first use this function)
1_549_843_20175.cpp:14: error: `max' undeclared (first use this function)
1_549_843_20175.cpp:16: error: `printf' undeclared (first use this function)