View Compilation Error

708232_0_0_3717.cpp: In function `int main()':
708232_0_0_3717.cpp:1: error: `scanf' undeclared (first use this function)
708232_0_0_3717.cpp:1: error: (Each undeclared identifier is reported only once for each function it appears in.)
708232_0_0_3717.cpp:1: error: `printf' undeclared (first use this function)