結果
| 問題 | No.3527 Minimum Abs Sum |
| コンテスト | |
| ユーザー |
detteiuu
|
| 提出日時 | 2026-05-04 22:20:57 |
| 言語 | PyPy3 (7.3.17) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 2,733 bytes |
| 記録 | |
| コンパイル時間 | 186 ms |
| コンパイル使用メモリ | 85,504 KB |
| 実行使用メモリ | 177,636 KB |
| 最終ジャッジ日時 | 2026-05-04 22:21:37 |
| 合計ジャッジ時間 | 36,309 ms |
|
ジャッジサーバーID (参考情報) |
judge3_0 / judge1_0 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 24 WA * 4 TLE * 2 |
ソースコード
from math import gcd
from functools import cmp_to_key
class Fraction:
def __init__(self, top, bottom):
GCD = gcd(top, bottom)
if bottom < 0:
top = -top
bottom = -bottom
self.top = top//GCD
self.bottom = bottom//GCD
def to_fraction(n):
if type(n) == int:
return Fraction(n, 1)
else:
return n
def compare(L, R):
L, R = L[0], R[0]
L, R = to_fraction(L), to_fraction(R)
a = L.top*R.bottom
b = L.bottom*R.top
if a < b:
return -1
elif a == b:
return 0
else:
return 1
def max_f(L, R):
return L if compare(L, R) == 1 else R
def min_f(L, R):
return L if compare(L, R) == -1 else R
def ADD(L, R):
L, R = to_fraction(L), to_fraction(R)
l, r = L.bottom, R.bottom
lt = L.top*r
rt = R.top*l
top = lt+rt
bottom = l*r
GCD = gcd(top, bottom)
top //= GCD
bottom //= GCD
if bottom < 0:
top = -top
bottom = -bottom
return Fraction(top, bottom)
def SUB(L, R):
L, R = to_fraction(L), to_fraction(R)
l, r = L.bottom, R.bottom
lt = L.top*r
rt = R.top*l
top = lt-rt
bottom = l*r
GCD = gcd(top, bottom)
top //= GCD
bottom //= GCD
if bottom < 0:
top = -top
bottom = -bottom
return Fraction(top, bottom)
def MUL(L, R):
L, R = to_fraction(L), to_fraction(R)
top = L.top*R.top
bottom = L.bottom*R.bottom
GCD = gcd(top, bottom)
top //= GCD
bottom //= GCD
if bottom < 0:
top = -top
bottom = -bottom
return Fraction(top, bottom)
def DIV(L, R):
L, R = to_fraction(L), to_fraction(R)
top = L.top*R.bottom
bottom = L.bottom*R.top
GCD = gcd(top, bottom)
top //= GCD
bottom //= GCD
if bottom < 0:
top = -top
bottom = -bottom
return Fraction(top, bottom)
def inverse(n, d):
return n * pow(d, -1, MOD) % MOD
MOD = 10**9+7
N = int(input())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
AB = []
for i in range(N):
if A[i] != 0:
AB.append((A[i], B[i]))
A, B = list(map(list, zip(*AB)))
N = len(A)
C = []
SUM = 0
for i in range(N):
if A[i] == 0: continue
if A[i] < 0:
A[i] = -A[i]
B[i] = -B[i]
C.append((Fraction(B[i], A[i]), A[i]))
if 1 <= i: SUM += A[i]
cmp = cmp_to_key(compare)
C.sort(key=cmp)
l, r = C[0][1], SUM
SUM = 0
pre = C[0][0]
X = 0
ans = C[0][0]
for a, b in C[1:]:
diff = SUB(a, pre)
SUM = SUB(SUM, MUL(diff, r))
SUM = ADD(SUM, MUL(diff, l))
if compare((SUM, 0), (X, 0)) == -1:
SUM = X
ans = a
r = SUB(r, b)
l = ADD(l, b)
pre = a
print(inverse(ans.top, ans.bottom))
detteiuu