1968D - Permutation Game - CodeForces Solution


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Python Code:

t = int(input())
for _ in range(t):
  n, k , pb, ps = map(int, input().split())
  p = list(map(int, input().split()))
  a = list(map(int, input().split()))
  
  s_set = { ps }
  b_set = { pb }

  max_b = a[pb - 1] * k
  total_b = a[pb - 1]
  
  max_s = a[ps - 1] * k
  total_s = a[ps - 1]
  if k > 1:
    pb = p[pb - 1]
    kb = k - 1
    while pb not in b_set and kb > 0:
      b_set.add(pb)
      max_b = max(max_b, total_b + a[pb - 1] * kb)
      total_b += a[pb - 1]
      pb = p[pb - 1]
      kb -= 1

    ps = p[ps - 1]
    ks = k - 1
    while ps not in s_set and ks > 0:
      s_set.add(ps)
      max_s = max(max_s, total_s + a[ps - 1] * ks)
      total_s += a[ps - 1]
      ps = p[ps - 1]
      ks -= 1

  if max_s == max_b:
    print("Draw")
  elif max_b < max_s:
    print("Sasha")
  else:
    print("Bodya")


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