結果

問題 No.1905 PURE PHRASE
ユーザー U SU S
提出日時 2022-04-15 22:47:56
言語 Python3
(3.12.2 + numpy 1.26.4 + scipy 1.12.0)
結果
AC  
実行時間 140 ms / 2,000 ms
コード長 1,584 bytes
コンパイル時間 496 ms
コンパイル使用メモリ 10,996 KB
実行使用メモリ 35,732 KB
最終ジャッジ日時 2023-08-26 08:26:54
合計ジャッジ時間 8,232 ms
ジャッジサーバーID
(参考情報)
judge15 / judge12
このコードへのチャレンジ
(要ログイン)

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 135 ms
34,768 KB
testcase_01 AC 132 ms
35,408 KB
testcase_02 AC 132 ms
35,340 KB
testcase_03 AC 137 ms
35,204 KB
testcase_04 AC 135 ms
35,364 KB
testcase_05 AC 133 ms
35,372 KB
testcase_06 AC 138 ms
35,648 KB
testcase_07 AC 135 ms
35,412 KB
testcase_08 AC 134 ms
35,276 KB
testcase_09 AC 135 ms
35,524 KB
testcase_10 AC 136 ms
35,592 KB
testcase_11 AC 134 ms
35,216 KB
testcase_12 AC 133 ms
35,700 KB
testcase_13 AC 131 ms
35,536 KB
testcase_14 AC 131 ms
35,320 KB
testcase_15 AC 137 ms
35,440 KB
testcase_16 AC 136 ms
35,664 KB
testcase_17 AC 132 ms
35,280 KB
testcase_18 AC 134 ms
35,380 KB
testcase_19 AC 130 ms
35,168 KB
testcase_20 AC 136 ms
35,700 KB
testcase_21 AC 134 ms
35,616 KB
testcase_22 AC 135 ms
35,416 KB
testcase_23 AC 137 ms
35,272 KB
testcase_24 AC 139 ms
35,732 KB
testcase_25 AC 138 ms
35,372 KB
testcase_26 AC 133 ms
35,456 KB
testcase_27 AC 140 ms
35,460 KB
testcase_28 AC 136 ms
35,452 KB
testcase_29 AC 131 ms
35,244 KB
testcase_30 AC 136 ms
35,368 KB
testcase_31 AC 134 ms
35,360 KB
testcase_32 AC 132 ms
35,644 KB
testcase_33 AC 134 ms
35,192 KB
testcase_34 AC 134 ms
35,584 KB
testcase_35 AC 134 ms
35,224 KB
testcase_36 AC 130 ms
35,440 KB
testcase_37 AC 132 ms
35,304 KB
testcase_38 AC 134 ms
35,644 KB
testcase_39 AC 135 ms
35,388 KB
testcase_40 AC 133 ms
35,404 KB
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 #

# import sys
# input = sys.stdin.readline
# import pypyjit
# pypyjit.set_param('max_unroll_recursion=-1')
def mp():return map(int,input().split())
def lmp():return list(map(int,input().split()))
def mps(A):return [tuple(map(int, input().split())) for _ in range(A)]
def stoi(LIST):return list(map(int,LIST))
def itos(LIST):return list(map(str,LIST))
def bitA(X,A):return X & 1<<A == 1<<A
import math
import bisect
import heapq
import time
from copy import copy as cc
from copy import deepcopy as dc
from itertools import accumulate, product
from collections import Counter, defaultdict, deque
def ceil(U,V):return (U+V-1)//V
def modf1(N,MOD):return (N-1)%MOD+1
inf = int(1e18+20)
mod = 998244353
import numpy as np

n = int(input())
a = lmp()
hz = [261.6,294.3,327,348.8,392.4,436,490.5]
al = ["C","D","E","F","G","A","B"]

F = np.fft.fft(a)
amp = np.abs(F)
ans = -1
h = -inf
for i in range(510):
    if amp[i] > h:
        ans = i
        h = amp[i]
er = inf
now = -1
for i in range(7):
    ner = abs(ans-hz[i])
    if ner < er:
        er = ner
        now = i
print("{}4".format(al[now]))

# def calc_var(lst):
#     mean = sum(lst)/len(lst)
#     var = 0
#     for i in lst:
#         var += (i-mean)**2
#     var /= len(lst)
#     return var
#
#
# ans = -1
# er = inf
# for i in range(7):
#     now = [[] for _ in range(hz[i])]
#     for j in range(n):
#         now[j%hz[i]].append(a[j])
#     v = []
#     for j in now:
#         v.append(calc_var(j))
#     ter = max(v)
#     if ter < er:
#         er = ter
#         ans = i
#     print(ter)
# print("{}4".format(al[ans]))
#
0