View Compilation Error

0_0_28353871_4857.cpp: In function 'int main()':
0_0_28353871_4857.cpp:10:25: error: 'scanf' was not declared in this scope
     while(~scanf("%d",&n) && n)
                         ^
0_0_28353871_4857.cpp:26:80: error: 'printf' was not declared in this scope
         printf("%d\n",max((min_zh - max_z)*(min_xh - max_x)*(min_yh - max_y),0));
                                                                                ^