View Compilation Error

0_0_11570425_27158.cpp: In function `int main()':
0_0_11570425_27158.cpp:5: error: `scanf' undeclared (first use this function)
0_0_11570425_27158.cpp:5: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_11570425_27158.cpp:8: error: `asin' undeclared (first use this function)
0_0_11570425_27158.cpp:10: error: `printf' undeclared (first use this function)
0_0_11570425_27158.cpp:12: error: expected `}' at end of input