Submission #571359

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
571359	2022-06-01 23:12:39	dnialh	Simple game (IZhO17_game)	Pypy 3	100 / 100	563 ms	63452 KiB

game

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class SegmentTree:
    def __init__(self, data, default=0, func=lambda x, y: x + y):
        """initialize the segment tree with data"""
        self._default = default
        self._func = func
        self._len = len(data)
        self._size = _size = 1 << (self._len - 1).bit_length()
        self.data = [default] * (2 * _size)
        self.data[_size:_size + self._len] = data
        for i in reversed(range(_size)):
            self.data[i] = func(self.data[i + i], self.data[i + i + 1])
    def __delitem__(self, idx):
        self[idx] = self._default
    def __getitem__(self, idx):
        return self.data[idx + self._size]
    def __setitem__(self, idx, value):
        idx += self._size
        self.data[idx] = value
        idx >>= 1
        while idx:
            self.data[idx] = self._func(self.data[2 * idx], self.data[2 * idx + 1])
            idx >>= 1
    def __len__(self):
        return self._len
 
 
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• Subtask 1: 22 / 22
• Subtask 2: 27 / 27
• Subtask 3: 51 / 51