View Compilation Error

0_0_1456409_25538.cpp: In function `int main(int, char**)':
0_0_1456409_25538.cpp:3: error: `scanf' undeclared (first use this function)
0_0_1456409_25538.cpp:3: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_1456409_25538.cpp:12: error: `printf' undeclared (first use this function)
0_0_1456409_25538.cpp:18: error: `EXIT_SUCCESS' undeclared (first use this function)