View Compilation Error

0_0_16818791_741.cpp:1:10: error: #include expects "FILENAME" or <FILENAME>
 #include 
          ^
0_0_16818791_741.cpp: In function 'int main()':
0_0_16818791_741.cpp:5:16: error: 'scanf' was not declared in this scope
  scanf("%d", &n);
                ^
0_0_16818791_741.cpp:10:19: error: 'printf' was not declared in this scope
   printf("%d\n", m);
                   ^