Submission #7124862

---

Source Code Expand

import sequtils, strutils

const
  btn = "ABXY"
let
  n = stdin.readline.parseInt
  cs = stdin.readline

var res = n
for a in btn:
  for b in btn:
    for c in btn:
      for d in btn:
        res = min(res, len(cs.replace(a & b, "R").replace(c & d, "L")))

echo res

Submission Info

Compile Error

Hint: system [Processing]
Hint: Main [Processing]
Hint: sequtils [Processing]
Hint: strutils [Processing]
Hint: parseutils [Processing]
Hint:  [Link]
Hint: operation successful (12944 lines compiled; 1.885 sec total; 13.138MB; Release Build) [SuccessX]

Judge Result