变量放全局试试？
by pocafup @ 2020-06-27 13:15:06
@[Kevin100](/user/163718) ub
by fzj2007 @ 2020-06-27 13:21:06
@[Kevin100](/user/163718) 没有初始化数组啥的
by fzj2007 @ 2020-06-27 13:21:20
本地不锅，你谷就锅
by fzj2007 @ 2020-06-27 13:21:46
数组放全局去
by Little09 @ 2020-06-27 13:22:26
@[Kevin100](/user/163718) 你的循环第一次出现
c[-1]了
by fzj2007 @ 2020-06-27 13:23:01
```
int n;
cin>>n;
int a[n+5],b[n+5],ans=0,c[n+5];
数组不能这么开，要预先设定好大小，要么就用动态开
```
by cmll02 @ 2020-06-27 13:23:21
越界了
by fzj2007 @ 2020-06-27 13:23:28
@[shygo_cmll02](/user/171487) ++
by fzj2007 @ 2020-06-27 13:23:42
还有就是`c[i-1](i=0)`
by cmll02 @ 2020-06-27 13:23:46