View Compilation Error

0_0_39300439_14585.cpp: In function 'int main()':
0_0_39300439_14585.cpp:4:12: error: 'scanf' was not declared in this scope
    4 |     while(~scanf("%d",&n),n)
      |            ^~~~~
0_0_39300439_14585.cpp:12:9: error: 'printf' was not declared in this scope
   12 |         printf("%d\n",x);
      |         ^~~~~~
0_0_39300439_14585.cpp:1:1: note: 'printf' is defined in header '<cstdio>'; did you forget to '#include <cstdio>'?
  +++ |+#include <cstdio>
    1 | int main()