View Compilation Error

880307_0_0_28264.cpp: In function `int main()':
880307_0_0_28264.cpp:8: error: `scanf' undeclared (first use this function)
880307_0_0_28264.cpp:8: error: (Each undeclared identifier is reported only once for each function it appears in.)
880307_0_0_28264.cpp:8: error: `EOF' undeclared (first use this function)
880307_0_0_28264.cpp:20: error: `printf' undeclared (first use this function)