結果

問題 No.1115 二つの数列 / Two Sequences
ユーザー KeroruKeroru
提出日時 2020-07-17 23:15:27
言語 PyPy3
(7.3.15)
結果
AC  
実行時間 323 ms / 2,000 ms
コード長 4,740 bytes
コンパイル時間 252 ms
コンパイル使用メモリ 87,068 KB
実行使用メモリ 121,120 KB
最終ジャッジ日時 2023-08-20 03:23:39
合計ジャッジ時間 12,598 ms
ジャッジサーバーID
(参考情報)
judge12 / judge13
このコードへのチャレンジ
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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 239 ms
84,352 KB
testcase_01 AC 213 ms
83,288 KB
testcase_02 AC 217 ms
83,088 KB
testcase_03 AC 305 ms
114,576 KB
testcase_04 AC 315 ms
120,404 KB
testcase_05 AC 311 ms
114,800 KB
testcase_06 AC 307 ms
110,972 KB
testcase_07 AC 323 ms
120,616 KB
testcase_08 AC 231 ms
84,588 KB
testcase_09 AC 275 ms
101,368 KB
testcase_10 AC 310 ms
121,060 KB
testcase_11 AC 212 ms
83,092 KB
testcase_12 AC 317 ms
121,120 KB
testcase_13 AC 319 ms
120,992 KB
testcase_14 AC 314 ms
120,716 KB
testcase_15 AC 213 ms
83,344 KB
testcase_16 AC 212 ms
83,332 KB
testcase_17 AC 215 ms
83,140 KB
testcase_18 AC 217 ms
83,240 KB
testcase_19 AC 219 ms
83,132 KB
testcase_20 AC 238 ms
83,244 KB
testcase_21 AC 234 ms
83,208 KB
testcase_22 AC 225 ms
83,256 KB
testcase_23 AC 240 ms
84,512 KB
testcase_24 AC 255 ms
91,880 KB
testcase_25 AC 297 ms
110,552 KB
testcase_26 AC 239 ms
85,944 KB
testcase_27 AC 266 ms
96,348 KB
testcase_28 AC 278 ms
101,260 KB
testcase_29 AC 289 ms
111,148 KB
testcase_30 AC 317 ms
120,540 KB
testcase_31 AC 245 ms
87,916 KB
testcase_32 AC 239 ms
85,356 KB
testcase_33 AC 297 ms
115,688 KB
testcase_34 AC 216 ms
83,192 KB
testcase_35 AC 213 ms
83,456 KB
testcase_36 AC 213 ms
83,408 KB
testcase_37 AC 214 ms
83,076 KB
testcase_38 AC 214 ms
83,336 KB
testcase_39 AC 213 ms
83,152 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

import sys,bisect,string,math,time,functools,random,fractions
from heapq import heappush,heappop,heapify
from collections import deque,defaultdict,Counter
from itertools import permutations,combinations,groupby
rep=range;R=range
def Golf():n,*t=map(int,open(0).read().split())
def I():return int(input())
def S_():return input()
def IS():return input().split()
def LS():return [i for i in input().split()]
def MI():return map(int,input().split())
def LI():return [int(i) for i in input().split()]
def LI_():return [int(i)-1 for i in input().split()]
def NI(n):return [int(input()) for i in range(n)]
def NI_(n):return [int(input())-1 for i in range(n)]
def StoLI():return [ord(i)-97 for i in input()]
def ItoS(n):return chr(n+97)
def LtoS(ls):return ''.join([chr(i+97) for i in ls])
def RA():return map(int,open(0).read().split())
def GI(V,E,ls=None,Directed=False,index=1):
    org_inp=[];g=[[] for i in range(V)]
    FromStdin=True if ls==None else False
    for i in range(E):
        if FromStdin:
            inp=LI()
            org_inp.append(inp)
        else:
            inp=ls[i]
        if len(inp)==2:
            a,b=inp;c=1
        else:
            a,b,c=inp
        if index==1:a-=1;b-=1
        aa=(a,c);bb=(b,c);g[a].append(bb)
        if not Directed:g[b].append(aa)
    return g,org_inp
def GGI(h,w,search=None,replacement_of_found='.',mp_def={'#':1,'.':0},boundary=1):
    #h,w,g,sg=GGI(h,w,search=['S','G'],replacement_of_found='.',mp_def={'#':1,'.':0},boundary=1) # sample usage
    mp=[boundary]*(w+2);found={}
    for i in R(h):
        s=input()
        for char in search:
            if char in s:
                found[char]=((i+1)*(w+2)+s.index(char)+1)
                mp_def[char]=mp_def[replacement_of_found]
        mp+=[boundary]+[mp_def[j] for j in s]+[boundary]
    mp+=[boundary]*(w+2)
    return h+2,w+2,mp,found
def TI(n):return GI(n,n-1)
def accum(ls):
    rt=[0]
    for i in ls:rt+=[rt[-1]+i]
    return rt
def bit_combination(n,base=2):
    rt=[]
    for tb in R(base**n):s=[tb//(base**bt)%base for bt in R(n)];rt+=[s]
    return rt
def gcd(x,y):
    if y==0:return x
    if x%y==0:return y
    while x%y!=0:x,y=y,x%y
    return y
def YN(x):print(['NO','YES'][x])
def Yn(x):print(['No','Yes'][x])
def show(*inp,end='\n'):
    if show_flg:print(*inp,end=end)

mo=10**9+7
inf=float('inf')
FourNb=[(-1,0),(1,0),(0,1),(0,-1)];EightNb=[(-1,0),(1,0),(0,1),(0,-1),(1,1),(-1,-1),(1,-1),(-1,1)];compas=dict(zip('WENS',FourNb));cursol=dict(zip('LRUD',FourNb))
l_alp=string.ascii_lowercase
#sys.setrecursionlimit(10**7)
read=sys.stdin.buffer.read;readline=sys.stdin.buffer.readline;input=lambda:sys.stdin.readline().rstrip()

########################################################################################################################################################################
# Binary Indexed Tree
# Bit.add(i,x)    : add x at i-th value
# Bit.sum(i)      : get sum up to i-th value
# Bit.l_bound(w)  : get lower bound of index where w can be inserted

class Bit:
    def __init__(self,n):
        self.size=n
        self.m=len(bin(self.size))-2
        self.arr=[0]*(2**self.m+1)
        
    def __str__(self):
        a=[self.sum(i+1)-self.sum(i) for i in range(self.size)]
        return str(a)
        
    def add(self,i,x):
        k=0
        while i<=self.size:
            k+=1
            self.arr[i]+=x
            i+=i&(-i)
        return
    
    def sum(self,i):
        rt=0
        while i>0:
            rt+=self.arr[i]
            i-=i&(-i)
        return rt
    
    def l_bound(self,w):
        if w<=0:
            return 0
        x=0
        k=2**self.m
        while k>0:
            if x+k<self.size and self.arr[x+k]<w:
                w-=self.arr[x+k]
                x+=k
            k//=2
        return x+1
        
    def u_bound(self,w):
        if w<=0:
            return 0
        x=0
        k=2**self.m
        while k>0:
            if x+k<self.size and self.arr[x+k]<=w:
                w-=self.arr[x+k]
                x+=k
            k//=2
        return x+1
        
class Bit0(Bit):
    def add(self,j,x):
        super().add(j+1,x)
    def l_bound(self,w):
        return max(super().l_bound(w)-1,0)
    def u_bound(self,w):
        return max(super().u_bound(w)-1,0)

class Multiset(Bit0):
    def __init__(self,max_v):
        super().__init__(max_v)
    def insert(self,x):
        super().add(x,1)
    def find(self,x):
        return super().l_bound(super().sum(x))
    def __str__(self):
        return str(self.arr)
        
show_flg=False
show_flg=True

ans=0

n=I()
a=LI_()
b=LI_()
d=dict(zip(b,range(n)))
c=[d[i]for i in a]

bt=Bit0(n)

for i in range(n):
    t=bt.sum(c[i])
    r=c[i]-t
    ans+=r
    bt.add(c[i],1)

print(ans)
0