View Compilation Error

0_0_39358365_24844.cpp: In function 'int main()':
0_0_39358365_24844.cpp:16:16: error: 'scanf' was not declared in this scope
   16 |         while(~scanf("%d",&n)&&n){
      |                ^~~~~
0_0_39358365_24844.cpp:30:17: error: 'printf' was not declared in this scope
   30 |                 printf("%d\n",count);
      |                 ^~~~~~
0_0_39358365_24844.cpp:3:1: note: 'printf' is defined in header '<cstdio>'; did you forget to '#include <cstdio>'?
    2 | #include<algorithm>
  +++ |+#include <cstdio>
    3 | using namespace std;