結果
問題 | No.554 recurrence formula |
ユーザー | McGregorsh |
提出日時 | 2022-06-28 13:22:58 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 118 ms / 2,000 ms |
コード長 | 1,724 bytes |
コンパイル時間 | 230 ms |
コンパイル使用メモリ | 82,444 KB |
実行使用メモリ | 84,748 KB |
最終ジャッジ日時 | 2024-05-01 04:23:25 |
合計ジャッジ時間 | 3,591 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
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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 | 110 ms
83,720 KB |
testcase_01 | AC | 115 ms
83,512 KB |
testcase_02 | AC | 113 ms
83,476 KB |
testcase_03 | AC | 111 ms
83,680 KB |
testcase_04 | AC | 111 ms
83,784 KB |
testcase_05 | AC | 110 ms
83,352 KB |
testcase_06 | AC | 110 ms
83,620 KB |
testcase_07 | AC | 112 ms
83,920 KB |
testcase_08 | AC | 108 ms
83,624 KB |
testcase_09 | AC | 109 ms
83,560 KB |
testcase_10 | AC | 114 ms
83,560 KB |
testcase_11 | AC | 112 ms
83,832 KB |
testcase_12 | AC | 109 ms
83,576 KB |
testcase_13 | AC | 114 ms
83,836 KB |
testcase_14 | AC | 112 ms
83,868 KB |
testcase_15 | AC | 116 ms
83,764 KB |
testcase_16 | AC | 117 ms
83,940 KB |
testcase_17 | AC | 113 ms
83,864 KB |
testcase_18 | AC | 112 ms
83,760 KB |
testcase_19 | AC | 118 ms
84,628 KB |
testcase_20 | AC | 117 ms
84,748 KB |
ソースコード
import sys, re 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 from decimal import Decimal, getcontext 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 sys.setrecursionlimit(10 ** 7) INF = float('inf') MOD = 10 ** 9 + 7 MOD2 = 998244353 def main(): n = int(input()) kdp = [0] * (n//2+2) gdp = [0] * (n//2+2) kdp[1] = 1 gdp[1] = 2 # 奇数と偶数のそれぞれトータルスコア kscore = 1 gscore = 2 for i in range(2, n//2+2): kdp[i] = gscore * (i*2-1) kdp[i] %= MOD kscore += kdp[i] gdp[i] = kscore * (i*2) gdp[i] %= MOD gscore += gdp[i] #print(kscore) #print(gscore) #print(kdp) #print(gdp) if n % 2 == 0: print(gdp[n//2] % MOD) else: print(kdp[n//2+1] % MOD) if __name__ == '__main__': main()