結果
問題 | No.1564 Sum of Products of Pairs |
ユーザー |
|
提出日時 | 2023-05-24 21:53:28 |
言語 | PyPy3 (7.3.11) |
結果 |
WA
|
実行時間 | - |
コード長 | 1,843 bytes |
コンパイル時間 | 418 ms |
コンパイル使用メモリ | 86,972 KB |
実行使用メモリ | 122,908 KB |
最終ジャッジ日時 | 2023-08-25 13:50:41 |
合計ジャッジ時間 | 11,970 ms |
ジャッジサーバーID (参考情報) |
judge12 / judge13 |
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 | 222 ms
92,004 KB |
testcase_01 | AC | 229 ms
92,152 KB |
testcase_02 | AC | 225 ms
92,248 KB |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | AC | 223 ms
92,160 KB |
testcase_29 | AC | 223 ms
91,952 KB |
testcase_30 | AC | 222 ms
92,160 KB |
testcase_31 | AC | 220 ms
92,240 KB |
testcase_32 | AC | 220 ms
92,256 KB |
ソースコード
import sys, re from fractions import Fraction from math import ceil, floor, sqrt, pi, factorial, gcd from copy import deepcopy from collections import Counter, deque, defaultdict from heapq import heapify, heappop, heappush from itertools import accumulate, product, combinations, combinations_with_replacement, permutations from bisect import bisect, bisect_left, bisect_right from functools import reduce, lru_cache from decimal import Decimal, getcontext, ROUND_HALF_UP def i_input(): return int(input()) def i_map(): return map(int, input().split()) def i_list(): return list(i_map()) def i_row(N): return [i_input() for _ in range(N)] def i_row_list(N): return [i_list() for _ in range(N)] def s_input(): return input() def s_map(): return input().split() def s_list(): return list(s_map()) def s_row(N): return [s_input for _ in range(N)] def s_row_str(N): return [s_list() for _ in range(N)] def s_row_list(N): return [list(s_input()) for _ in range(N)] def lcm(a, b): return a * b // gcd(a, b) def get_distance(x1, y1, x2, y2): d = sqrt((x2 - x1) ** 2 + (y2 - y1) ** 2) return d def rotate(table): n_fild = [] for x in zip(*table[::-1]): n_fild.append(x) return n_fild sys.setrecursionlimit(10 ** 7) INF = float('inf') MOD = 10 ** 9 + 7 MOD2 = 998244353 alpa = 'abcdefghijklmnopqrstuvwxyz' ALPA = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' #input = sys.stdin.readline def main(): N = int(input()) A = i_list() base = 0 for i in range(0, 2*N, 2): base += A[i] * A[i+1] ans = base for i in range(1, 2*N-1, 2): a, b = A[i], A[i+1] nowa = a * A[i-1] nowb = b * A[i+2] nxta = b * A[i-1] nxtb = a * A[i+2] score = (nowa + nowb) - (nxta + nxtb) ans = max(ans, base - score) print(ans) if __name__ == '__main__': main()