結果
問題 | No.1391 ±1 Abs Sum |
ユーザー | ansain |
提出日時 | 2021-02-13 00:15:16 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 159 ms / 2,000 ms |
コード長 | 2,960 bytes |
コンパイル時間 | 211 ms |
コンパイル使用メモリ | 82,120 KB |
実行使用メモリ | 120,336 KB |
最終ジャッジ日時 | 2024-07-20 02:11:00 |
合計ジャッジ時間 | 5,748 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 45 ms
54,784 KB |
testcase_01 | AC | 47 ms
54,656 KB |
testcase_02 | AC | 55 ms
60,800 KB |
testcase_03 | AC | 52 ms
60,928 KB |
testcase_04 | AC | 53 ms
61,312 KB |
testcase_05 | AC | 52 ms
61,312 KB |
testcase_06 | AC | 56 ms
61,952 KB |
testcase_07 | AC | 54 ms
61,184 KB |
testcase_08 | AC | 72 ms
72,704 KB |
testcase_09 | AC | 69 ms
72,320 KB |
testcase_10 | AC | 68 ms
70,912 KB |
testcase_11 | AC | 159 ms
120,252 KB |
testcase_12 | AC | 128 ms
103,296 KB |
testcase_13 | AC | 145 ms
114,064 KB |
testcase_14 | AC | 116 ms
102,656 KB |
testcase_15 | AC | 115 ms
102,912 KB |
testcase_16 | AC | 124 ms
103,296 KB |
testcase_17 | AC | 124 ms
101,504 KB |
testcase_18 | AC | 143 ms
113,816 KB |
testcase_19 | AC | 113 ms
101,504 KB |
testcase_20 | AC | 148 ms
117,572 KB |
testcase_21 | AC | 129 ms
108,416 KB |
testcase_22 | AC | 121 ms
108,416 KB |
testcase_23 | AC | 136 ms
106,112 KB |
testcase_24 | AC | 125 ms
108,288 KB |
testcase_25 | AC | 129 ms
107,520 KB |
testcase_26 | AC | 138 ms
105,984 KB |
testcase_27 | AC | 110 ms
105,088 KB |
testcase_28 | AC | 117 ms
105,344 KB |
testcase_29 | AC | 124 ms
108,416 KB |
testcase_30 | AC | 119 ms
109,056 KB |
testcase_31 | AC | 153 ms
120,244 KB |
testcase_32 | AC | 105 ms
99,328 KB |
testcase_33 | AC | 112 ms
103,680 KB |
testcase_34 | AC | 129 ms
116,752 KB |
testcase_35 | AC | 43 ms
54,656 KB |
testcase_36 | AC | 127 ms
120,336 KB |
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 #from scipy.sparse import csr_matrix #from scipy.sparse.csgraph import shortest_path, floyd_warshall, dijkstra, bellman_ford, johnson, NegativeCycleError # numba例 @njit(i1(i4[:], i8[:, :]),cache=True) 引数i4配列、i8 2次元配列,戻り値i1 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 main2(n,k): mod = 10**9+7 mod2 = 998244353 A = tuple(map(int, input().split())) accA = tuple([0]+list(accumulate(A))) ans = 10**20 for i in range(n): Ai = A[i] ng, ok = -1, 2*10**9+10 # abs(ok)以下でk個揃えられるか? while (abs(ok - ng) > 1): mid = (ok + ng) // 2 r = bisect_right(A, Ai+mid) l = bisect_left(A, Ai-mid) if r-l >= k: ok = mid else: ng = mid r = bisect_right(A, Ai+ok) l = bisect_left(A, Ai-ok) plusone = accA[r]-accA[i]*2-Ai*(r-i)+accA[l]+Ai*(i-l)-ok*(k-(r-l)) minusone = accA[n]-accA[r]-Ai*(n-r)-accA[l]+Ai*l+ok*(k-(r-l)) ans = min(ans, plusone-minusone) # print(ans,l,r,ok,mid) print(ans) def main(n,k): mod = 10**9+7 mod2 = 998244353 A = list(map(int, input().split())) + [10**16] accA = [0]+list(accumulate(A)) ans = 10**20 l = 0 r = k for i in range(n): Ai = A[i] while max(abs(Ai-A[l]), abs(Ai-A[r-1])) >= max(abs(Ai-A[l+1]), abs(Ai-A[r])): l += 1 r += 1 """ ng, ok = -1, 2*10**9+10 # abs(ok)以下でk個揃えられるか? while (abs(ok - ng) > 1): mid = (ok + ng) // 2 r = bisect_right(A, Ai+mid) l = bisect_left(A, Ai-mid) if r-l >= k: ok = mid else: ng = mid r = bisect_right(A, Ai+ok) l = bisect_left(A, Ai-ok) """ plusone = accA[r]-accA[i]-Ai * \ (r-i)-accA[i]+accA[l]+Ai*(i-l) # -ok*(k-(r-l)) minusone = accA[n]-accA[r]-Ai*(n-r)-accA[l]+Ai*l # +ok*(k-(r-l)) ans = min(ans, plusone-minusone) # print(ans,l,r,ok,mid) print(ans) if __name__ == '__main__': n, k = map(int, input().split()) if n>=5*10**4: main(n,k) else: main2(n,k)