View Compilation Error

0_0_39666473_25264.cpp: In function 'void solve()':
0_0_39666473_25264.cpp:27:8: error: return-statement with a value, in function returning 'void' [-fpermissive]
   27 | return 0;<<ans<<endl;
      |        ^
0_0_39666473_25264.cpp:27:10: error: expected primary-expression before '<<' token
   27 | return 0;<<ans<<endl;
      |          ^~
0_0_39666473_25264.cpp:27:12: error: 'ans' was not declared in this scope; did you mean 'abs'?
   27 | return 0;<<ans<<endl;
      |            ^~~
      |            abs
0_0_39666473_25264.cpp: At global scope:
0_0_39666473_25264.cpp:29:1: error: expected declaration before '}' token
   29 | }
      | ^