chore: remove old files

1621.rs

@@ -1,10 +0,0 @@
-  use std::io::{self,Read};
-  fn main(){
-  let mut s=String::new();
-  io::stdin().read_to_string(&mut s).unwrap();
-  let s=s.trim().as_bytes();
-  let(mut mx,mut c)=(1usize,1usize);
-  for i in 1..s.len(){if s[i]==s[i-1]{c+=1;}else{c=1;}if c>mx{mx=c;}}
-  println!("{}",mx);
-  }
-