foo.c:2:16: error: expected ';' before 'int'
    2 | int arr[500000]
      |                ^
      |                ;
    3 | int brr[500000]
      | ~~~             
foo.c:3:16: error: expected ';' before 'int'
    3 | int brr[500000]
      |                ^
      |                ;
    4 | 
    5 | int main()
      | ~~~             
foo.c: In function 'main':
foo.c:11:24: error: 'arr' undeclared (first use in this function)
   11 |         scanf("%d%d", &arr[i], &brr[i]);
      |                        ^~~
foo.c:11:24: note: each undeclared identifier is reported only once for each function it appears in
foo.c:11:33: error: 'brr' undeclared (first use in this function)
   11 |         scanf("%d%d", &arr[i], &brr[i]);
      |                                 ^~~
foo.c:13:8: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   13 |     if(N=6)
      |        ^
foo.c:16:20: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   16 |                 if(N=9)
      |                    ^

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