View Compilation Error

0_0_39610246_90.cpp:1:1: error: expected unqualified-id before 'if'
    1 | if (b1 >= 0) {
      | ^~
0_0_39610246_90.cpp:3:27: error: expected unqualified-id before 'else'
    3 |                         } else {
      |                           ^~~~