View Compilation Error

0_0_4146632_12734.cpp:1:17: stdlib: No such file or directory
0_0_4146632_12734.cpp:2:16: stdio: No such file or directory
0_0_4146632_12734.cpp:5: error: `main' must return `int'
0_0_4146632_12734.cpp: In function `int main(...)':
0_0_4146632_12734.cpp:8: error: `scanf' undeclared (first use this function)
0_0_4146632_12734.cpp:8: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_4146632_12734.cpp:8: error: `EOF' undeclared (first use this function)
0_0_4146632_12734.cpp:14: error: `printf' undeclared (first use this function)