error: expected one of `!` or `::`, found `n`
 --> /w/foo.rs:1:5
  |
1 | var n,s,min,a,b,x,y,i,j:longint;
  |     ^ expected one of `!` or `::`

error: aborting due to previous error

[Hydro](https://hydro.ac)提供评测服务