結果
問題 | No.2009 Drunkers' Contest |
ユーザー | ansain |
提出日時 | 2022-07-15 22:19:42 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 293 ms / 2,000 ms |
コード長 | 2,343 bytes |
コンパイル時間 | 893 ms |
コンパイル使用メモリ | 82,176 KB |
実行使用メモリ | 160,012 KB |
最終ジャッジ日時 | 2024-06-27 18:43:16 |
合計ジャッジ時間 | 13,128 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
(要ログイン)
ファイルパターン | 結果 |
---|---|
sample | AC * 4 |
other | AC * 54 |
ソースコード
import sys from collections import defaultdict, Counter, deque from itertools import permutations, combinations, product, combinations_with_replacement, groupby, accumulate import operator from math import sqrt, gcd, factorial #from math import isqrt, prod, comb #python3.8用(notpypy) #from bisect import bisect_left, bisect_right #from functools import lru_cache, reduce #from heapq import heappush, heappop, heapify, heappushpop, heapreplace #import numpy as np #import networkx as nx #from networkx.utils import UnionFind #from numba import njit, b1, i1, i4, i8, f8 #numba例 @njit(i1(i4[:], i8[:, :]),cache=True) 引数i4配列、i8 2次元配列,戻り値i1 #from scipy.sparse import csr_matrix #from scipy.sparse.csgraph import shortest_path, floyd_warshall, dijkstra, bellman_ford, johnson, NegativeCycleError, maximum_bipartite_matching, maximum_flow, minimum_spanning_tree def input(): return sys.stdin.readline().rstrip() def divceil(n, k): return 1+(n-1)//k # n/kの切り上げを返す def yn(hantei, yes='Yes', no='No'): print(yes if hantei else no) def check(AA,BB): if AA <= BB: return 1,AA+BB else: return sqrt(AA/BB),BB*sqrt(AA/BB)*2 def check2(drink,AA,BB): r=max(drink,sqrt(AA/BB)) return r,AA/r+BB*r def main(): mod = 10**9+7 mod2 = 998244353 n=int(input()) A=list(map(int, input().split())) B=list(map(int, input().split())) accA=[0]+list(accumulate(A)) accB=[0]+list(accumulate(B)) t,y=check(A[0],B[0]) stack=[[-1,1,0],[0,t,y]] for i in range(1,n): while len(stack) > 1: index1,drink1,time1=stack[-1] index2,drink2,time2=stack[-2] if check2(drink1,accA[i+1]-accA[index1+1],accB[i+1]-accB[index1+1])[1] + time1 >= check2(drink2,accA[i+1]-accA[index2+1],accB[i+1]-accB[index2+1])[1] + time2: stack.pop() else: d,t=check2(drink1,accA[i+1]-accA[index1+1],accB[i+1]-accB[index1+1]) if d>drink1 or i==n-1: stack.append([i,d,time1+t]) break if len(stack)==1: index1,drink1,time1=stack[-1] d,t=check2(drink1,accA[i+1]-accA[index1+1],accB[i+1]-accB[index1+1]) stack.append([i,d,time1+t]) print(stack[-1][2]) if __name__ == '__main__': main()