Eroare de compilare: main.cpp: In function 'int solve()': main.cpp:174:17: error: return-statement with no value, in function returning 'int' [-fpermissive] 174 | return; | ^~~~~~ main.cpp:195:13: error: 'ans' was not declared in this scope; did you mean 'abs'? 195 | ans += "0"; | ^~~ | abs main.cpp:196:13: error: return-statement with no value, in function returning 'int' [-fpermissive] 196 | return; | ^~~~~~ main.cpp:205:13: error: 'ans' was not declared in this scope; did you mean 'abs'? 205 | ans += "0"; | ^~~ | abs main.cpp:206:13: error: return-statement with no value, in function returning 'int' [-fpermissive] 206 | return; | ^~~~~~ Non zero exit status: 1