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Oct 15th, 2019
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  1. use std::io::stdin;
  2. fn main() {
  3. let n: i32 = {
  4. let mut s = String::new();
  5. stdin().read_line(&mut s).unwrap();
  6. s.trim().parse().unwrap()
  7. };
  8.  
  9. let ans = format!("{:b}", n).split('0').map(|s|s.len()).max().unwrap_or(0);
  10.  
  11. println!("{}", ans);
  12. }
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