View Compilation Error

426674_0_0_7377.cpp: In function `int main()':
426674_0_0_7377.cpp:1: error: `scanf' undeclared (first use this function)
426674_0_0_7377.cpp:1: error: (Each undeclared identifier is reported only once for each function it appears in.)
426674_0_0_7377.cpp:1: error: `printf' undeclared (first use this function)
426674_0_0_7377.cpp: At global scope:
426674_0_0_7377.cpp:1: error: expected declaration before '}' token