@[TENATICY](https://www.luogu.org/space/show?uid=123765)不高兴值应该也有负值,这样应该就行了(多一个变量f): ``` for(int i=1;i<=n;i++) { cin>>a>>b; f+=a+b-8; ans+=f; } ``` by XLao @ 2018-09-24 09:11:52