View Compilation Error

0_0_38826484_6942.cpp:1:9: error: #include expects "FILENAME" or <FILENAME>
    1 | #include
      |         ^
0_0_38826484_6942.cpp: In function 'int main()':
0_0_38826484_6942.cpp:5:10: error: 'scanf' was not declared in this scope
    5 |    while(scanf("%d%d", &i, &j) == 2)
      |          ^~~~~
0_0_38826484_6942.cpp:6:4: error: 'printf' was not declared in this scope
    6 |    printf("%d\n", i + j);
      |    ^~~~~~
0_0_38826484_6942.cpp:1:1: note: 'printf' is defined in header '<cstdio>'; did you forget to '#include <cstdio>'?
  +++ |+#include <cstdio>
    1 | #include