結果
問題 | No.876 Range Compress Query |
ユーザー | anagohirame |
提出日時 | 2021-02-18 01:09:26 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 228 ms / 2,000 ms |
コード長 | 2,507 bytes |
コンパイル時間 | 544 ms |
コンパイル使用メモリ | 82,432 KB |
実行使用メモリ | 93,568 KB |
最終ジャッジ日時 | 2024-09-14 09:40:32 |
合計ジャッジ時間 | 4,145 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge6 |
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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 | 41 ms
52,608 KB |
testcase_01 | AC | 58 ms
66,432 KB |
testcase_02 | AC | 40 ms
52,992 KB |
testcase_03 | AC | 61 ms
67,456 KB |
testcase_04 | AC | 47 ms
60,032 KB |
testcase_05 | AC | 47 ms
59,008 KB |
testcase_06 | AC | 60 ms
66,688 KB |
testcase_07 | AC | 59 ms
67,072 KB |
testcase_08 | AC | 59 ms
66,560 KB |
testcase_09 | AC | 58 ms
65,664 KB |
testcase_10 | AC | 57 ms
65,664 KB |
testcase_11 | AC | 220 ms
89,472 KB |
testcase_12 | AC | 203 ms
88,372 KB |
testcase_13 | AC | 205 ms
89,760 KB |
testcase_14 | AC | 220 ms
89,984 KB |
testcase_15 | AC | 190 ms
91,776 KB |
testcase_16 | AC | 220 ms
93,468 KB |
testcase_17 | AC | 221 ms
93,568 KB |
testcase_18 | AC | 228 ms
93,312 KB |
ソースコード
import sys def input(): return sys.stdin.buffer.readline()[:-1] class SegTree(): def __init__(self, a, func, unit): #the number of nodes is 2n-1 self.n = 1 << len(a).bit_length() self.size = len(a) self.func = func self.unit = unit self.node = [unit] * (2*self.n-1) for i in range(len(a)+self.n-2, -1, -1): if i >= self.n-1: self.node[i] = a[i-self.n+1] else: self.node[i] = self.func(self.node[2*i+1], self.node[2*i+2]) def get(self, x): return self.node[x+self.n-1] def set(self, x, val): x += self.n-1 self.node[x] = val while x > 0: x = (x-1)>>1 self.node[x] = self.func(self.node[2*x+1], self.node[2*x+2]) return #[l, r) def prod(self, l, r): L, R = l+self.n, r+self.n s_l, s_r = self.unit, self.unit while L<R: if R & 1: R -= 1 s_r = self.func(self.node[R-1], s_r) if L & 1: s_l = self.func(s_l, self.node[L-1]) L += 1 L >>= 1 R >>= 1 return self.func(s_l, s_r) #maximum of r (within [l, n)) which satisfies val(prod(l, r)) def max_right(self, l, val): if l == self.size: return self.size L = l + self.n s = self.unit while True: while (L % 2 == 0): L >>= 1 if not val(self.func(s, self.node[L-1])): while L < self.n: L <<= 1 if val(self.func(s, self.node[L-1])): s = self.func(s, self.node[L-1]) L += 1 return L - self.n s = self.func(s, self.node[L-1]) L += 1 if (L & -L) == L: return self.size #minimum of l (within [0, r)) which satisfies val(prod(l, r)) def min_left(self, r, val): if r == 0: return 0 R = r + self.n s = self.unit while True: R -= 1 while R > 1 and R % 2: R >>= 1 if not val(self.func(self.node[R-1], s)): while R < self.n: R = (R << 1) + 1 if val(self.func(self.node[R-1], s)): s = self.func(self.node[R-1], s) R -= 1 return R + 1 - self.n s = self.func(self.node[R-1], s) if (R & -R) == R: return 0 n, q = map(int, input().split()) a = list(map(int, input().split())) b = [a[i]-a[i-1] for i in range(1, n)] c = [1 if x else 0 for x in b] st = SegTree(c, lambda x, y: x+y, 0) ans = [] for _ in range(q): s = list(map(int, input().split())) if s[0] == 1: l, r, x = s[1]-1, s[2]-1, s[3] if l > 0: b[l-1] += x if b[l-1] == 0: st.set(l-1, 0) else: st.set(l-1, 1) if r < n-1: b[r] -= x if b[r] == 0: st.set(r, 0) else: st.set(r, 1) else: l, r = s[1]-1, s[2]-1 ans.append(st.prod(l, r) + 1) print(*ans, sep="\n")