Main.cc: In function ‘bool cmp(besai, besai)’:
Main.cc:28:13: error: ‘struct besai’ has no member named ‘aum’; did you mean ‘sum’?
28 | if(a.sum>b.aum){
| ^~~
| sum
Main.cc:33:1: warning: control reaches end of non-void function [-Wreturn-type]
33 | }
| ^