This documentation is automatically generated by online-judge-tools/verification-helper
# verification-helper: PROBLEM https://yukicoder.me/problems/no/649
from pathlib import Path
import sys
sys.path.append(str(Path(__file__).resolve().parent.parent.parent.parent))
class BIT:
def __init__(self, n):
self.n = n
self.data = [0] * (n + 1)
if n == 0:
self.n0 = 0
else:
self.n0 = 1 << (n.bit_length() - 1)
def sum_(self, i):
s = 0
while i > 0:
s += self.data[i]
i -= i & -i
return s
def sum(self, l, r=-1):
if r == -1:
return self.sum_(l)
else:
return self.sum_(r) - self.sum_(l)
def get(self, i):
return self.sum(i, i + 1)
def add(self, i, x):
i += 1
while i <= self.n:
self.data[i] += x
i += i & -i
def lower_bound(self, x):
if x <= 0:
return 0
i = 0
k = self.n0
while k > 0:
if i + k <= self.n and self.data[i + k] < x:
x -= self.data[i + k]
i += k
k //= 2
return i + 1
Q, k = map(int, input().split())
Query = []
X = []
for _ in range(Q):
query = list(map(int, input().split()))
if query[0] == 1:
X.append(query[1])
Query.append(query[1])
else:
Query.append(-1)
X = sorted(set(X))
dic = {x: i for i, x in enumerate(X)}
bit = BIT(len(dic))
for q in Query:
if q == -1:
p = bit.lower_bound(k) - 1
if p == len(X):
print(-1)
else:
print(X[p])
bit.add(p, -1)
else:
bit.add(dic[q], 1)Traceback (most recent call last):
File "/opt/hostedtoolcache/Python/3.11.4/x64/lib/python3.11/site-packages/onlinejudge_verify/documentation/build.py", line 81, in _render_source_code_stat
bundled_code = language.bundle(
^^^^^^^^^^^^^^^^
File "/opt/hostedtoolcache/Python/3.11.4/x64/lib/python3.11/site-packages/onlinejudge_verify/languages/python.py", line 108, in bundle
raise NotImplementedError
NotImplementedError