結果

問題 No.2650 [Cherry 6th Tune *] セイジャク
ユーザー miya145592
提出日時 2024-02-23 23:07:15
言語 PyPy3
(7.3.15)
結果
AC  
実行時間 1,394 ms / 2,500 ms
コード長 2,832 bytes
コンパイル時間 557 ms
コンパイル使用メモリ 81,920 KB
実行使用メモリ 101,544 KB
最終ジャッジ日時 2024-09-29 08:32:21
合計ジャッジ時間 31,204 ms
ジャッジサーバーID
（参考情報） 		judge2 / judge3
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 2
other AC * 31
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 #
プレゼンテーションモードにする

# https://qiita.com/ether2420/items/7b67b2b35ad5f441d686
def segfunc(x,y):
    return max(x, y)
class LazySegTree_RUQ:
    def __init__(self,init_val,segfunc,ide_ele):
        n = len(init_val)
        self.segfunc = segfunc
        self.ide_ele = ide_ele
        self.num = 1<<(n-1).bit_length()
        self.tree = [ide_ele]*2*self.num
        self.lazy = [None]*2*self.num
        for i in range(n):
            self.tree[self.num+i] = init_val[i]
        for i in range(self.num-1,0,-1):
            self.tree[i] = self.segfunc(self.tree[2*i],self.tree[2*i+1])
    def gindex(self,l,r):
        l += self.num
        r += self.num
        lm = l>>(l&-l).bit_length()
        rm = r>>(r&-r).bit_length()
        while r>l:
            if l<=lm:
                yield l
            if r<=rm:
                yield r
            r >>= 1
            l >>= 1
        while l:
            yield l
            l >>= 1
    def propagates(self,*ids):
        for i in reversed(ids):
            v = self.lazy[i]
            if v is None:
                continue
            self.lazy[i] = None
            self.lazy[2*i] = v
            self.lazy[2*i+1] = v
            self.tree[2*i] = v
            self.tree[2*i+1] = v
    def update(self,l,r,x):
        ids = self.gindex(l,r)
        self.propagates(*self.gindex(l,r))
        l += self.num
        r += self.num
        while l<r:
            if l&1:
                self.lazy[l] = x
                self.tree[l] = x
                l += 1
            if r&1:
                self.lazy[r-1] = x
                self.tree[r-1] = x
            r >>= 1
            l >>= 1
        for i in ids:
            self.tree[i] = self.segfunc(self.tree[2*i], self.tree[2*i+1])
    def query(self,l,r):
        ids = self.gindex(l,r)
        self.propagates(*self.gindex(l,r))
        res = self.ide_ele
        l += self.num
        r += self.num
        while l<r:
            if l&1:
                res = self.segfunc(res,self.tree[l])
                l += 1
            if r&1:
                res = self.segfunc(res,self.tree[r-1])
            l >>= 1
            r >>= 1
        return res
    
import bisect
import sys
input = sys.stdin.readline
N, A = map(int, input().split())
X = list(map(int, input().split()))
T = int(input())
LR = [list(map(int, input().split())) for _ in range(T)]
for i in range(N):
    x = X[i]
    X[i] = (x, i)
X.sort()
ST = LazySegTree_RUQ([0 for _ in range(N)], segfunc, 0)
for t in range(T):
    l, r = LR[t]
    l_pos = bisect.bisect_left(X, (l, 0))
    r_pos = bisect.bisect_left(X, (r, N))
    if l_pos==r_pos:
        continue
    ST.update(l_pos, r_pos, t+1)
ans = [-1 for _ in range(N)]
for i in range(N):
    tmp = ST.query(i, i+1)
    x, idx = X[i]
    if tmp==0:
        ans[idx] = -1
    else:
        ans[idx] = tmp
for a in ans:
    print(a)
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