結果
| 問題 |
No.1234 典型RMQ
|
| コンテスト | |
| ユーザー |
tamato
|
| 提出日時 | 2020-09-19 14:13:48 |
| 言語 | PyPy3 (7.3.15) |
| 結果 |
AC
|
| 実行時間 | 485 ms / 2,000 ms |
| コード長 | 3,461 bytes |
| コンパイル時間 | 343 ms |
| コンパイル使用メモリ | 82,628 KB |
| 実行使用メモリ | 100,096 KB |
| 最終ジャッジ日時 | 2024-11-09 02:10:52 |
| 合計ジャッジ時間 | 12,055 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 27 |
ソースコード
mod = 1000000007
eps = 10**-9
def main():
import sys
input = sys.stdin.buffer.readline
def op(a, b):
return min(a, b)
e = 1 << 60
def mapping(a, x):
return a + x
def composition(x, y):
return x + y
id = 0
class LazySegTree:
# Range update query
def __init__(self, A, op=op, e=e, mapping=mapping, composition=composition, id=id, initialize=True):
self.N = len(A)
self.LV = (self.N - 1).bit_length()
self.N0 = 1 << self.LV
self.op = op
self.e = e
self.mapping = mapping
self.composition = composition
self.id = id
if initialize:
self.data = [self.e] * self.N0 + A + [self.e] * (self.N0 - self.N)
for i in range(self.N0 - 1, 0, -1):
self.data[i] = op(self.data[i * 2], self.data[i * 2 + 1])
else:
self.data = [self.e] * (self.N0 * 2)
self.lazy = [id] * (self.N0 * 2)
def _ascend(self, i):
for _ in range(i.bit_length() - 1):
i >>= 1
self.data[i] = self.op(self.data[i * 2], self.data[i * 2 + 1])
def _descend(self, idx):
lv = idx.bit_length()
for j in range(lv - 1, 0, -1):
i = idx >> j
x = self.lazy[i]
if x == self.id:
continue
self.lazy[i * 2] = self.composition(self.lazy[i * 2], x)
self.lazy[i * 2 + 1] = self.composition(self.lazy[i * 2 + 1], x)
self.lazy[i] = self.id
self.data[i * 2] = self.mapping(self.data[i * 2], x)
self.data[i * 2 + 1] = self.mapping(self.data[i * 2 + 1], x)
# open interval [l, r)
def apply(self, l, r, x):
l += self.N0 - 1
r += self.N0 - 1
self._descend(l // (l & -l))
self._descend(r // (r & -r) - 1)
l_ori = l
r_ori = r
while l < r:
if l & 1:
self.data[l] = self.mapping(self.data[l], x)
self.lazy[l] = self.composition(self.lazy[l], x)
l += 1
if r & 1:
r -= 1
self.data[r] = self.mapping(self.data[r], x)
self.lazy[r] = self.composition(self.lazy[r], x)
l >>= 1
r >>= 1
self._ascend(l_ori // (l_ori & -l_ori))
self._ascend(r_ori // (r_ori & -r_ori) - 1)
# open interval [l, r)
def query(self, l, r):
l += self.N0 - 1
r += self.N0 - 1
self._descend(l // (l & -l))
self._descend(r // (r & -r) - 1)
ret = self.e
while l < r:
if l & 1:
ret = self.op(ret, self.data[l])
l += 1
if r & 1:
ret = self.op(self.data[r - 1], ret)
r -= 1
l >>= 1
r >>= 1
return ret
N = int(input())
A = list(map(int, input().split()))
ST = LazySegTree(A)
for q in range(int(input())):
k, l, r, c = map(int, input().split())
if k == 1:
ST.apply(l, r+1, c)
else:
print(ST.query(l, r+1))
if __name__ == '__main__':
main()
tamato