View Compilation Error

0_0_39653723_14631.cpp: In function 'int main()':
0_0_39653723_14631.cpp:3:1: error: 'scanf' was not declared in this scope
    3 | scanf("%d", &N);
      | ^~~~~
0_0_39653723_14631.cpp:4:15: error: 'I' was not declared in this scope
    4 | for (int i=0; I < N; i++){
      |               ^
0_0_39653723_14631.cpp:12:1: error: 'printf' was not declared in this scope
   12 | printf("%d\n\n",sum);
      | ^~~~~~
0_0_39653723_14631.cpp:1:1: note: 'printf' is defined in header '<cstdio>'; did you forget to '#include <cstdio>'?
  +++ |+#include <cstdio>
    1 | int main(){