View Compilation Error

0_0_10783484_24663.cpp:1:25: bits/stdc++.h: No such file or directory
0_0_10783484_24663.cpp:5: error: `acos' was not declared in this scope
0_0_10783484_24663.cpp:8: error: expected init-declarator before '<' token
0_0_10783484_24663.cpp:8: error: expected `,' or `;' before '<' token
0_0_10783484_24663.cpp: In function `int main()':
0_0_10783484_24663.cpp:23: error: `cin' undeclared (first use this function)
0_0_10783484_24663.cpp:23: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_10783484_24663.cpp:25: error: `puts' undeclared (first use this function)