結果

問題 No.2767 Add to Divide
ユーザー KDKJKDKJ
提出日時 2024-05-31 22:11:07
言語 PyPy3
(7.3.15)
結果
AC  
実行時間 214 ms / 2,000 ms
コード長 1,454 bytes
コンパイル時間 399 ms
コンパイル使用メモリ 82,280 KB
実行使用メモリ 89,472 KB
最終ジャッジ日時 2024-12-20 23:43:29
合計ジャッジ時間 4,809 ms
ジャッジサーバーID
(参考情報)
judge2 / judge4
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 1
other AC * 16
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

from heapq import heappush, heappop, heapify
from collections import defaultdict, deque,Counter
from math import ceil, floor, sqrt, factorial,gcd,cos,sin,pi
from itertools import permutations, combinations,product
from bisect import bisect_left, bisect_right
from copy import deepcopy
from fractions import Fraction
from random import randint
import sys
from functools import cache,lru_cache #@lru_cache(maxsize=None)
from time import time
#from sortedcontainers import SortedList # type: ignore
#sys.setrecursionlimit(10**6)
vector1 = [[0, -1], [1, 0], [0, 1], [-1, 0]]
vector2 = [[0, 1], [1, 0], [-1, 0], [0, -1],
[1,-1], [-1, 1], [1, 1], [-1, -1]]
alphabet = "abcdefghijklmnopqrstuvwxyz"
def make_divisors(n):
lower_divisors, upper_divisors = [], []
i = 1
while i * i <= n:
if n % i == 0:
lower_divisors.append(i)
if i != n // i:
upper_divisors.append(n//i)
i += 1
return lower_divisors + upper_divisors[::-1]
def main():
for _ in range(int(input())):
a,b = map(int,input().split())
if b%a == 0:
print(0)
continue
divisors = make_divisors(b-a)
f = True
for divisor in divisors:
if divisor > a:
print(divisor-a)
f = False
break
if f:
print(-1)
if __name__ == '__main__':
main()
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