View Compilation Error

260741_0_10195.cpp: In function `int main()':
260741_0_10195.cpp:8: error: `scanf' undeclared (first use this function)
260741_0_10195.cpp:8: error: (Each undeclared identifier is reported only once for each function it appears in.)
260741_0_10195.cpp:18: error: `printf' undeclared (first use this function)