結果
| 問題 | No.3510 RPS Eliminations |
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2026-04-20 01:26:22 |
| 言語 | PyPy3 (7.3.17) |
| 結果 |
AC
|
| 実行時間 | 604 ms / 2,000 ms |
| コード長 | 4,244 bytes |
| 記録 | |
| コンパイル時間 | 180 ms |
| コンパイル使用メモリ | 85,120 KB |
| 実行使用メモリ | 275,700 KB |
| 最終ジャッジ日時 | 2026-04-20 01:26:47 |
| 合計ジャッジ時間 | 17,825 ms |
|
ジャッジサーバーID (参考情報) |
judge2_0 / judge1_0 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 |
| other | AC * 28 |
ソースコード
import sys
ni = lambda :int(input())
na = lambda :list(map(int,input().split()))
yes = lambda :print("yes");Yes = lambda :print("Yes");YES = lambda : print("YES")
no = lambda :print("no");No = lambda :print("No");NO = lambda : print("NO")
class BIT:
def __init__(self, n):
self.n = n
self.data = [0]*(n+1)
def sum(self, i):
s = 0
while i > 0:
s += self.data[i]
i -= i & -i
return s
def add(self, i, x):
assert 0 <= i < self.n
i = i+1
while i <= self.n:
self.data[i] += x
i += i & -i
def set(self, i, x):
assert 0 <= i <= self.n
self.add(i,x-self.get(i))
def get(self, i, j):
return self.sum(j) - self.sum(i)
def lower_bound(self, k):
n = self.n
x = 0
r = 1
while r <= n:r <<= 1
size = r
while size:
if x + size <= n and self.data[x+size] <= k:
k-=self.data[x+size]
x += size
size >>= 1
return x
def debug(self):
res = []
n = self.n
for i in range(n):
res.append(self.get(i))
print(*res)
lim = 10 ** 18 + 100
def solve(n, k, a):
if n <= 64 and k >= 2 ** (n - 1):
return
bit = BIT(n)
for i in range(n):
bit.add(i, 1)
par = [-1] * n
now = [i for i in range(n)]
l = [-1] * (n * 2 - 1)
r = [-1] * (n * 2 - 1)
sub = [1] * n
for i in range(n-2, -1, -1):
y = bit.lower_bound(a[i])
z = bit.lower_bound(a[i] + 1)
bit.add(z, -1)
par[now[y]] = len(par)
par[now[z]] = len(par)
l[len(par)] = now[y]
r[len(par)] = now[z]
sub.append(sub[now[y]] + sub[now[z]])
now[y] = len(par)
par.append(-1)
res = []
def janken(x, y):
if x == (y - 1) % 3:
return x
else:
return y
for x in [1, 0, 2]:
ans = []
local_q = [0] * (n * 2 - 1)
local_fl = [0] * (n * 2 - 1)
z = [0, 0, 0]
z[x] = 1
stack = [(n * 2 - 2, k, tuple(z), 0)]
ret_fl = -1
ret_rest = -1
while stack:
id, cur_k, g, step = stack.pop()
if step == 0:
if id < n:
for i in range(3):
if cur_k - g[i] >= 0:
cur_k -= g[i]
else:
ans.append(i)
ret_fl, ret_rest = i, cur_k
break
continue
if sub[r[id]] >= 65:
p, q = 0, cur_k
else:
p, q = divmod(cur_k, 1 << (sub[r[id]] - 1))
local_q[id] = q
stack.append((id, cur_k, g, 1))
g_new = (min(lim, g[2] + g[0]), min(lim, g[0] + g[1]), min(lim, g[1] + g[2]))
stack.append((l[id], p, g_new, 0))
elif step == 1:
fl = ret_fl
rest = ret_rest
local_fl[id] = fl
z_new = [0, 0, 0]
z_new[(fl - 1) % 3] = g[(fl - 1) % 3]
z_new[(fl + 1) % 3] = g[fl]
stack.append((id, cur_k, g, 2))
q = local_q[id]
next_k = (rest << (sub[r[id]] - 1)) + q
stack.append((r[id], next_k, tuple(z_new), 0))
elif step == 2:
fr = ret_fl
rest = ret_rest
fl = local_fl[id]
ret_fl = janken(fl, fr)
ret_rest = rest
res.append(ans)
return res
def put(ans):
print("".join(["PRS"[i] for i in ans]))
for _ in range(ni()):
n, k = na()
k -= 1
a = [x-1 for x in na()][::-1]
res = solve(n, k, a)
if res is None:
for i in range(3):
print(-1)
else:
for i in res:
put(i)