結果
| 問題 |
No.1013 〇マス進む
|
| コンテスト | |
| ユーザー |
vwxyz
|
| 提出日時 | 2023-03-31 10:52:27 |
| 言語 | PyPy3 (7.3.15) |
| 結果 |
AC
|
| 実行時間 | 1,142 ms / 2,000 ms |
| コード長 | 2,378 bytes |
| コンパイル時間 | 290 ms |
| コンパイル使用メモリ | 82,412 KB |
| 実行使用メモリ | 256,624 KB |
| 最終ジャッジ日時 | 2024-09-22 16:07:23 |
| 合計ジャッジ時間 | 24,618 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 62 |
ソースコード
import sys
readline=sys.stdin.readline
class Path_Doubling:
def __init__(self,N,permutation,lst=None,f=None,e=None):
self.N=N
self.permutation=permutation
self.lst=lst
self.f=f
self.e=e
def Build_Next(self,K=None):
if K==None:
self.K=self.N
else:
self.K=K
self.k=self.K.bit_length()
self.permutation_doubling=[[self.permutation[n]] for n in range(self.N)]
if self.lst!=None:
self.doubling=[[self.lst[n]] for n in range(self.N)]
for k in range(1,self.k):
for n in range(self.N):
if self.permutation_doubling[n][k-1]==None:
self.permutation_doubling[n].append(None)
if self.f!=None:
self.doubling[n].append(None)
if self.permutation_doubling[n][k-1]!=None:
self.permutation_doubling[n].append(self.permutation_doubling[self.permutation_doubling[n][k-1]][k-1])
if self.f!=None:
self.doubling[n].append(self.f(self.doubling[n][k-1],self.doubling[self.permutation_doubling[n][k-1]][k-1]))
def Permutation_Doubling(self,N,K):
if K<0 or 1<<self.k<=K:
return None
for k in range(self.k):
if K>>k&1 and N!=None:
N=self.permutation_doubling[N][k]
return N
def Doubling(self,N,K):
if K<0:
return self.e
retu=self.e
for k in range(self.k):
if K>>k&1:
if self.permutation_doubling[N][k]==None:
return None
retu=self.f(retu,self.doubling[N][k])
N=self.permutation_doubling[N][k]
return retu
def Bisect(self,x,is_ok):
if not is_ok(x):
return -1,None
K=0
for k in range(self.k-1,-1,-1):
if K|1<<k<=self.K and is_ok(self.permutation_doubling[x][k]):
K|=1<<k
x=self.permutation_doubling[x][k]
return K,x
N,K=map(int,readline().split())
P=list(map(int,readline().split()))
PD=Path_Doubling(N,[(P[i]+i)%N for i in range(N)],[(i+P[i])//N for i in range(N)],lambda x,y:x+y,0)
PD.Build_Next(K)
for i in range(N):
pd=PD.Permutation_Doubling(i,K)
d=PD.Doubling(i,K)
ans=pd+d*N+1
print(ans)
vwxyz