結果
問題 | No.573 a^2[i] = a[i] |
ユーザー | vwxyz |
提出日時 | 2021-07-31 10:10:54 |
言語 | Python3 (3.12.2 + numpy 1.26.4 + scipy 1.12.0) |
結果 |
AC
|
実行時間 | 391 ms / 2,000 ms |
コード長 | 2,115 bytes |
コンパイル時間 | 111 ms |
コンパイル使用メモリ | 12,800 KB |
実行使用メモリ | 19,840 KB |
最終ジャッジ日時 | 2024-09-16 09:10:18 |
合計ジャッジ時間 | 4,042 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
(要ログイン)
テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 42 ms
12,032 KB |
testcase_01 | AC | 41 ms
11,904 KB |
testcase_02 | AC | 41 ms
11,904 KB |
testcase_03 | AC | 40 ms
11,904 KB |
testcase_04 | AC | 41 ms
11,904 KB |
testcase_05 | AC | 42 ms
12,032 KB |
testcase_06 | AC | 45 ms
12,032 KB |
testcase_07 | AC | 42 ms
11,904 KB |
testcase_08 | AC | 42 ms
12,032 KB |
testcase_09 | AC | 42 ms
12,032 KB |
testcase_10 | AC | 40 ms
12,032 KB |
testcase_11 | AC | 40 ms
12,032 KB |
testcase_12 | AC | 41 ms
11,904 KB |
testcase_13 | AC | 41 ms
11,904 KB |
testcase_14 | AC | 41 ms
11,904 KB |
testcase_15 | AC | 41 ms
12,032 KB |
testcase_16 | AC | 41 ms
11,904 KB |
testcase_17 | AC | 41 ms
12,032 KB |
testcase_18 | AC | 41 ms
11,904 KB |
testcase_19 | AC | 40 ms
12,032 KB |
testcase_20 | AC | 41 ms
11,904 KB |
testcase_21 | AC | 40 ms
12,032 KB |
testcase_22 | AC | 41 ms
11,904 KB |
testcase_23 | AC | 41 ms
12,032 KB |
testcase_24 | AC | 41 ms
11,904 KB |
testcase_25 | AC | 40 ms
12,032 KB |
testcase_26 | AC | 41 ms
11,904 KB |
testcase_27 | AC | 40 ms
11,904 KB |
testcase_28 | AC | 41 ms
12,032 KB |
testcase_29 | AC | 41 ms
11,904 KB |
testcase_30 | AC | 41 ms
12,032 KB |
testcase_31 | AC | 40 ms
11,904 KB |
testcase_32 | AC | 42 ms
12,032 KB |
testcase_33 | AC | 43 ms
11,904 KB |
testcase_34 | AC | 43 ms
11,904 KB |
testcase_35 | AC | 43 ms
12,032 KB |
testcase_36 | AC | 43 ms
12,032 KB |
testcase_37 | AC | 44 ms
11,904 KB |
testcase_38 | AC | 44 ms
11,904 KB |
testcase_39 | AC | 45 ms
12,032 KB |
testcase_40 | AC | 45 ms
12,032 KB |
testcase_41 | AC | 46 ms
12,032 KB |
testcase_42 | AC | 50 ms
12,288 KB |
testcase_43 | AC | 50 ms
12,160 KB |
testcase_44 | AC | 57 ms
12,288 KB |
testcase_45 | AC | 73 ms
12,800 KB |
testcase_46 | AC | 391 ms
19,840 KB |
ソースコード
import bisect import copy import decimal import fractions import heapq import itertools import math import random import sys from collections import Counter,deque,defaultdict from functools import lru_cache,reduce from heapq import heappush,heappop,heapify,heappushpop,_heappop_max,_heapify_max def _heappush_max(heap,item): heap.append(item) heapq._siftdown_max(heap, 0, len(heap)-1) def _heappushpop_max(heap, item): if heap and item < heap[0]: item, heap[0] = heap[0], item heapq._siftup_max(heap, 0) return item from math import gcd as GCD, modf read=sys.stdin.read readline=sys.stdin.readline readlines=sys.stdin.readlines def Extended_Euclid(n,m): stack=[] while m: stack.append((n,m)) n,m=m,n%m if n>=0: x,y=1,0 else: x,y=-1,0 for i in range(len(stack)-1,-1,-1): n,m=stack[i] x,y=y,x-(n//m)*y return x,y class MOD: def __init__(self,mod): self.mod=mod def Pow(self,a,n): a%=self.mod if n>=0: return pow(a,n,self.mod) else: assert math.gcd(a,self.mod)==1 x=Extended_Euclid(a,self.mod)[0] return pow(x,-n,self.mod) def Build_Fact(self,N): assert N>=0 self.factorial=[1] for i in range(1,N+1): self.factorial.append((self.factorial[-1]*i)%self.mod) self.factorial_inv=[None]*(N+1) self.factorial_inv[-1]=self.Pow(self.factorial[-1],-1) for i in range(N-1,-1,-1): self.factorial_inv[i]=(self.factorial_inv[i+1]*(i+1))%self.mod return self.factorial_inv def Fact(self,N): return self.factorial[N] def Fact_Inv(self,N): return self.factorial_inv[N] def Comb(self,N,K): if K<0 or K>N: return 0 s=self.factorial[N] s=(s*self.factorial_inv[K])%self.mod s=(s*self.factorial_inv[N-K])%self.mod return s N=int(readline()) ans=0 mod=10**9+7 MD=MOD(mod) MD.Build_Fact(N) for i in range(1,N+1): ans+=MD.Comb(N,i)*pow(i,N-i,mod) ans%=mod print(ans)