結果

問題 No.230 Splarraay ｽﾌﾟﾗﾚｪｰｲ
ユーザー rpy3cpprpy3cpp
提出日時 2015-06-23 01:09:18
言語 Python2
(2.7.18)
結果
AC  
実行時間 2,430 ms / 5,000 ms
コード長 4,596 bytes
コンパイル時間 196 ms
コンパイル使用メモリ 7,296 KB
実行使用メモリ 14,592 KB
最終ジャッジ日時 2024-07-07 16:57:00
合計ジャッジ時間 12,440 ms
ジャッジサーバーID
（参考情報） 		judge4 / judge5
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 10 ms
6,816 KB
testcase_01 AC 9 ms
6,940 KB
testcase_02 AC 10 ms
6,944 KB
testcase_03 AC 10 ms
6,944 KB
testcase_04 AC 10 ms
6,940 KB
testcase_05 AC 16 ms
6,944 KB
testcase_06 AC 89 ms
7,168 KB
testcase_07 AC 15 ms
6,940 KB
testcase_08 AC 22 ms
6,944 KB
testcase_09 AC 633 ms
10,624 KB
testcase_10 AC 462 ms
12,800 KB
testcase_11 AC 390 ms
8,832 KB
testcase_12 AC 637 ms
10,496 KB
testcase_13 AC 120 ms
7,168 KB
testcase_14 AC 236 ms
12,800 KB
testcase_15 AC 2,430 ms
12,800 KB
testcase_16 AC 1,823 ms
14,464 KB
testcase_17 AC 1,337 ms
14,592 KB
testcase_18 AC 1,915 ms
13,696 KB
testcase_19 AC 927 ms
11,136 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 SplayArray(object):
    def __init__(self, size):
        self.pow2s = [1 << i for i in range(1025)]
        self.cell_capacity = 1024
        self.size = size
        self.capacity = self._calc_capacity(size)
        self.n_cells = self.capacity // self.cell_capacity
        self.values = [0] * self.n_cells
        self.totals = [0] * (self.n_cells * 2)

    def count(self, L, R):
        if L == 0 and R == self.size - 1:  # その場しのぎの challenge01 対策
            return self.totals[1]
        return self._count(1, self.capacity, L, R + 1)

    def _calc_capacity(self, size):
        cap = self.cell_capacity
        while cap < size:
            cap <<= 1
        return cap

    def _turn_on(self, idx, cap, L, R):
        if self.totals[idx] == cap:
            return
        if L == 0 and R == cap:
            self.totals[idx] = cap
            return
        if cap == self.cell_capacity:
            idx_val = idx - self.n_cells
            if self.totals[idx] == 0:
                self.values[idx_val] = self.pow2s[R] - self.pow2s[L]
                self.totals[idx] = R - L
                return
            self.values[idx_val] |= self.pow2s[R] - self.pow2s[L]
            self.totals[idx] = bin(self.values[idx_val]).count('1')
            return
        left = idx << 1
        right = left + 1
        if self.totals[idx] == 0:
            self.totals[left] = 0
            self.totals[right] = 0
        mid = cap >> 1
        if R <= mid:
            self._turn_on(left, mid, L, R)
        elif L >= mid:
            self._turn_on(right, mid, L - mid, R - mid)
        else:
            self._turn_on(left, mid, L, mid)
            self._turn_on(right, mid, 0, R - mid)
        self.totals[idx] = self.totals[left] + self.totals[right]

    def _turn_off(self, idx, cap, L, R):
        if self.totals[idx] == 0:
            return
        if L == 0 and R == cap:
            self.totals[idx] = 0
            return
        if cap == self.cell_capacity:
            idx_val = idx - self.n_cells
            if self.totals[idx] == cap:
                self.values[idx_val] = self.pow2s[cap] - 1 - self.pow2s[R] + self.pow2s[L]
                self.totals[idx] = cap - R + L
                return
            self.values[idx_val] &= ~(self.pow2s[R] - self.pow2s[L])
            self.totals[idx] = bin(self.values[idx_val]).count('1')
            return
        left = idx << 1
        right = left + 1
        mid = cap >> 1
        if self.totals[idx] == cap:
            self.totals[left] = mid
            self.totals[right] = mid
        if R <= mid:
            self._turn_off(left, mid, L, R)
        elif L >= mid:
            self._turn_off(right, mid, L - mid, R - mid)
        else:
            self._turn_off(left, mid, L, mid)
            self._turn_off(right, mid, 0, R - mid)
        self.totals[idx] = self.totals[left] + self.totals[right]

    def _count(self, idx, cap, L, R):
        if self.totals[idx] == 0:
            return 0
        if self.totals[idx] == cap:
            return R - L
        if L == 0 and R == cap:
            return self.totals[idx]
        if cap == self.cell_capacity:
            return bin((self.values[idx - self.n_cells] >> L) & (self.pow2s[R - L] - 1)).count('1')
        left = idx << 1
        right = left + 1
        mid = cap >> 1
        if R <= mid:
            return self._count(left, mid, L, R)
        if L >= mid:
            return self._count(right, mid, L - mid, R - mid)
        return self._count(left, mid, L, mid) + self._count(right, mid, 0, R - mid)

if __name__ == '__main__':
#    import time
#    start = time.time()
#    file = 'test_in/4_random_2746.txt'
#    f = open(file)
#    data = f.readlines()
    import sys
    data = sys.stdin.readlines()
    N = int(data[0])
    cap = 1024
    while cap < N:
        cap <<= 1
    Q = int(data[1])
    teamA = SplayArray(N)
    teamB = SplayArray(N)
    scoreA = 0
    scoreB = 0
    for line in data[2:Q + 2]:
        x, l, r = map(int, line.split())
        if x == 0:
            bonusA = teamA.count(l, r)
            bonusB = teamB.count(l, r)
            if bonusA > bonusB:
                scoreA += bonusA
            elif bonusA < bonusB:
                scoreB += bonusB
        elif x == 1:
            r += 1
            teamA._turn_on(1, cap, l, r)
            teamB._turn_off(1, cap, l, r)
        else:
            r += 1
            teamA._turn_off(1, cap, l, r)
            teamB._turn_on(1, cap, l, r)
    scoreA += teamA.count(0, N-1)
    scoreB += teamB.count(0, N-1)
    print('{} {}'.format(scoreA, scoreB))
0