結果
| 問題 |
No.1890 Many Sequences Sum Queries
|
| ユーザー |
yassu0320
|
| 提出日時 | 2022-04-05 21:55:47 |
| 言語 | PyPy3 (7.3.15) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 2,067 bytes |
| コンパイル時間 | 266 ms |
| コンパイル使用メモリ | 82,412 KB |
| 実行使用メモリ | 83,068 KB |
| 最終ジャッジ日時 | 2024-11-27 06:22:34 |
| 合計ジャッジ時間 | 4,877 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 |
| other | AC * 1 WA * 24 |
ソースコード
#!/usr/bin/env pypy3
from pprint import pprint
from string import ascii_lowercase as letter
from sys import setrecursionlimit, stdin
from typing import Dict, Iterable, Set
try:
import pypyjit
pypyjit.set_param("max_unroll_recursion=-1")
except ModuleNotFoundError:
...
INF: int = (1 << 62) - 1
MOD1000000007 = 10**9 + 7
MOD998244353 = 998244353
setrecursionlimit(500_000)
readline = stdin.readline
input = lambda: stdin.readline().rstrip("\r\n")
def inputs(type_=int):
ins = input().split()
if isinstance(type_, Iterable):
return [t(x) for t, x in zip(type_, ins)]
else:
return list(map(type_, ins))
def input_(type_=int):
(a, ) = inputs(type_)
return a
def input1() -> int:
return int(readline())
inputi = input1
def input2():
a = readline().split()
assert len(a) == 2
a[0] = int(a[0])
a[1] = int(a[1])
return a
def input3():
a = readline().split()
assert len(a) == 3
a[0] = int(a[0])
a[1] = int(a[1])
a[2] = int(a[2])
return a
def input4():
a = readline().split()
assert len(a) == 4
a[0] = int(a[0])
a[1] = int(a[1])
a[2] = int(a[2])
a[3] = int(a[3])
return a
# start coding
def no(x: int) -> int:
"""
k * (k+1) // 2 >= x を満たす最小のkを返す
"""
assert x >= 0
if x == 0:
return 0
left = 0
right = x + 1
while right - left > 1:
mid = (left + right) // 2
if mid * (mid + 1) // 2 < x:
left = mid
else:
right = mid
return right
n, q = input2()
A = inputs()
sum_ = sum(x * (x + 1) // x for x in A)
for _ in range(q):
s = inputi()
if s > sum_:
print(-1)
continue
res = 0
for i in range(n):
s -= A[i] * (A[i] + 1) // 2
res += A[i]
if s == 0:
print(res)
break
elif s < 0:
res -= A[i]
s += A[i] * (A[i] + 1) // 2
# print(108, s)
res += no(s)
print(res)
break
yassu0320