結果

問題 No.1698 Face to Face
ユーザー eSeFeSeF
提出日時 2021-09-18 16:40:49
言語 PyPy3
(7.3.15)
結果
AC  
実行時間 4,747 ms / 5,000 ms
コード長 4,220 bytes
コンパイル時間 443 ms
コンパイル使用メモリ 87,016 KB
実行使用メモリ 271,832 KB
最終ジャッジ日時 2023-09-26 16:05:21
合計ジャッジ時間 107,567 ms
ジャッジサーバーID
（参考情報） 		judge11 / 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 101 ms
72,212 KB
testcase_01 AC 102 ms
72,308 KB
testcase_02 AC 103 ms
72,228 KB
testcase_03 AC 886 ms
255,444 KB
testcase_04 AC 1,460 ms
265,768 KB
testcase_05 AC 3,565 ms
268,868 KB
testcase_06 AC 3,506 ms
268,248 KB
testcase_07 AC 4,020 ms
267,036 KB
testcase_08 AC 3,582 ms
268,996 KB
testcase_09 AC 3,592 ms
271,832 KB
testcase_10 AC 1,384 ms
268,676 KB
testcase_11 AC 4,297 ms
265,368 KB
testcase_12 AC 4,409 ms
269,992 KB
testcase_13 AC 101 ms
72,384 KB
testcase_14 AC 101 ms
72,256 KB
testcase_15 AC 4,706 ms
268,696 KB
testcase_16 AC 4,740 ms
270,832 KB
testcase_17 AC 4,747 ms
271,132 KB
testcase_18 AC 4,225 ms
270,972 KB
testcase_19 AC 4,213 ms
268,904 KB
testcase_20 AC 4,143 ms
268,592 KB
testcase_21 AC 2,631 ms
189,624 KB
testcase_22 AC 2,267 ms
167,212 KB
testcase_23 AC 1,000 ms
106,420 KB
testcase_24 AC 2,818 ms
205,236 KB
testcase_25 AC 4,459 ms
268,980 KB
testcase_26 AC 770 ms
97,104 KB
testcase_27 AC 1,737 ms
141,464 KB
testcase_28 AC 1,826 ms
148,708 KB
testcase_29 AC 1,500 ms
128,784 KB
testcase_30 AC 3,126 ms
222,856 KB
testcase_31 AC 2,553 ms
189,232 KB
testcase_32 AC 3,637 ms
246,856 KB
testcase_33 AC 3,582 ms
249,852 KB
testcase_34 AC 4,368 ms
268,620 KB
testcase_35 AC 102 ms
72,492 KB
testcase_36 AC 100 ms
72,436 KB
testcase_37 AC 99 ms
72,316 KB
testcase_38 AC 99 ms
72,352 KB
testcase_39 AC 104 ms
72,340 KB
testcase_40 AC 99 ms
72,292 KB
testcase_41 AC 101 ms
72,188 KB
testcase_42 AC 99 ms
72,540 KB
testcase_43 AC 101 ms
72,132 KB
testcase_44 AC 100 ms
72,424 KB
testcase_45 AC 2,634 ms
268,972 KB
testcase_46 AC 2,949 ms
266,240 KB
testcase_47 AC 2,917 ms
264,812 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 # 

class UnionFind_AB:
    def __init__(self, N):
        self.p = [-1] * N
        self.L = [i for i in range(N)]
        self.R = [i for i in range(N)]
    def root(self, x):
        while self.p[x] >= 0:
            x = self.p[x]
        return x
 
    def same(self, x, y):
        return self.root(x) == self.root(y)
 
    def unite(self, x, y):
        x = self.root(x)
        y = self.root(y)
        if x == y:
            return
        p = self.p
        if p[x] > p[y]:
            p[y] += p[x]
            p[x] = y
            self.L[y] = min(self.L[y],self.L[x])
            self.R[y] = max(self.R[y],self.R[x])
        else:
            p[x] += p[y]
            p[y] = x
            self.L[x] = min(self.L[y],self.L[x])
            self.R[x] = max(self.R[y],self.R[x])
 
    def size(self, x):
        return -self.p[self.root(x)]
    def left(self, v):
        return self.L[self.root(v)]
    def right(self,v):
        return self.R[self.root(v)]

class UnionFind_IDX:
    def __init__(self, N):
        self.p = [-1] * N
        self.num_pair = [0] * N
        self.score = 0
 
    def root(self, x):
        while self.p[x] >= 0:
            x = self.p[x]
        return x
 
    def same(self, x, y):
        return self.root(x) == self.root(y)
 
    def unite(self, x, y):
        x = self.root(x)
        y = self.root(y)
        if x == y:
            return
        self.score -= self.sub_score(x) + self.sub_score(y)
        p = self.p
        if p[x] > p[y]:
            p[y] += p[x]
            p[x] = y
            self.num_pair[y] += self.num_pair[x]
            self.score += self.sub_score(y)
        else:
            p[x] += p[y]
            p[y] = x
            self.num_pair[x] += self.num_pair[y]
            self.score += self.sub_score(x)

    def add_pair(self,v):
        self.score -= self.sub_score(self.root(v))
        self.num_pair[self.root(v)]+=1
        self.score += self.sub_score(self.root(v))
    def size(self, x):
        return -self.p[self.root(x)]
    def sub_score(self,v):
        return min(-self.p[self.root(v)],self.num_pair[self.root(v)])

import sys
from collections import deque
input = sys.stdin.readline

def main():
    n = int(input())
    a = list(map(int,input().split()))
    b = list(map(int,input().split()))
    z = list(map(int,input().split()))

    ida = [-1]*n
    idb = [-1]*n
    for i in range(n):
        a[i]-=1
        b[i]-=1
        z[i]-=1
        ida[a[i]]=i
        idb[b[i]]=i

    pos_left = [-1]*n
    l = [-1]*n
    r = [n]*n

    mid = [deque() for i in range(n)]
    for _ in range(17):
        for i in range(n):
            if r[i]-l[i]>1:
                mid[(l[i]+r[i])//2].append(i)

        ufa = UnionFind_AB(n)
        ufb = UnionFind_AB(n)
        for k in range(n):
            ia = ida[k]
            ib = idb[k]
            if 0<ia and a[ia-1]<=k:
                ufa.unite(ia-1,ia)
            if ia+1<n and a[ia+1]<=k:
                ufa.unite(ia,ia+1)
            if 0<ib and b[ib-1]<=k:
                ufb.unite(ib-1,ib)
            if ib+1<n and b[ib+1]<=k:
                ufb.unite(ib,ib+1)
        
            while len(mid[k])>0:
                j = mid[k].pop()
                la, ra = ufa.left(ida[j]),ufa.right(ida[j])
                lb, rb = ufb.left(idb[z[j]]),ufb.right(idb[z[j]])

                if ra < lb or rb < la:
                    l[j] = k
                else:
                    r[j] = k
                    pos_left[j] = max(la,lb)

    for i in range(n):
        mid[r[i]].append(i)

    less_k = [0]*n
    ufi = UnionFind_IDX(n)
    ans = []
    for k in range(n):
        ia, ib = ida[k],idb[k]
        less_k[ia]+=1
        less_k[ib]+=1
        if less_k[ia]==2:
            if 0<ia and less_k[ia-1]==2:
                ufi.unite(ia-1,ia)
            if ia+1<n and less_k[ia+1]==2:
                ufi.unite(ia,ia+1)
        if less_k[ib]==2:
            if 0<ib and less_k[ib-1]==2:
                ufi.unite(ib-1,ib)
            if ib+1<n and less_k[ib+1]==2:
                ufi.unite(ib,ib+1)
        while len(mid[k])>0:
            ufi.add_pair(pos_left[mid[k].pop()])
        ans.append(ufi.score)

    print("\n".join(map(str,ans)))

if __name__=='__main__':
    main()
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