View Compilation Error

191186_0_26058.cpp: In function `int main()':
191186_0_26058.cpp:5: error: `scanf' undeclared (first use this function)
191186_0_26058.cpp:5: error: (Each undeclared identifier is reported only once for each function it appears in.)
191186_0_26058.cpp:5: error: `EOF' undeclared (first use this function)
191186_0_26058.cpp:13: error: `printf' undeclared (first use this function)