View Compilation Error

916839_0_0_30403.cpp:1:9: #include expects "FILENAME" or <FILENAME>
916839_0_0_30403.cpp: In function `int main()':
916839_0_0_30403.cpp:4: error: `scanf' undeclared (first use this function)
916839_0_0_30403.cpp:4: error: (Each undeclared identifier is reported only once for each function it appears in.)
916839_0_0_30403.cpp:5: error: `printf' undeclared (first use this function)