View Compilation Error

663924_0_0_2634.cpp:1: error: invalid token
663924_0_0_2634.cpp:1: error: expected constructor, destructor, or type conversion before '<' token
663924_0_0_2634.cpp:1: error: expected `,' or `;' before '<' token
663924_0_0_2634.cpp: In function `int main()':
663924_0_0_2634.cpp:7: error: `scanf' undeclared (first use this function)
663924_0_0_2634.cpp:7: error: (Each undeclared identifier is reported only once for each function it appears in.)
663924_0_0_2634.cpp:12: error: `printf' undeclared (first use this function)