View Compilation Error

0_0_39465590_23844.cpp:1:1: error: 'utility' does not name a type
    1 | utility
      | ^~~~~~~
0_0_39465590_23844.cpp:9:1: error: expected unqualified-id before 'for'
    9 | for
      | ^~~
0_0_39465590_23844.cpp:11:1: error: expected declaration before '}' token
   11 | }
      | ^