結果
問題 | No.2130 分配方法の数え上げ mod 998244353 |
ユーザー | McGregorsh |
提出日時 | 2022-11-26 08:57:16 |
言語 | PyPy3 (7.3.15) |
結果 |
WA
|
実行時間 | - |
コード長 | 1,829 bytes |
コンパイル時間 | 140 ms |
コンパイル使用メモリ | 82,492 KB |
実行使用メモリ | 96,872 KB |
最終ジャッジ日時 | 2024-10-02 13:22:35 |
合計ジャッジ時間 | 9,643 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
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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 | 135 ms
96,136 KB |
testcase_01 | AC | 138 ms
88,984 KB |
testcase_02 | AC | 141 ms
88,960 KB |
testcase_03 | AC | 139 ms
89,520 KB |
testcase_04 | AC | 141 ms
89,024 KB |
testcase_05 | AC | 141 ms
89,568 KB |
testcase_06 | AC | 140 ms
89,352 KB |
testcase_07 | AC | 139 ms
89,412 KB |
testcase_08 | AC | 136 ms
89,376 KB |
testcase_09 | AC | 137 ms
89,040 KB |
testcase_10 | AC | 139 ms
89,324 KB |
testcase_11 | AC | 137 ms
89,452 KB |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | TLE | - |
testcase_18 | TLE | - |
testcase_19 | -- | - |
testcase_20 | -- | - |
testcase_21 | -- | - |
testcase_22 | -- | - |
testcase_23 | -- | - |
testcase_24 | -- | - |
testcase_25 | -- | - |
testcase_26 | -- | - |
testcase_27 | -- | - |
testcase_28 | -- | - |
testcase_29 | -- | - |
testcase_30 | -- | - |
testcase_31 | -- | - |
testcase_32 | -- | - |
testcase_33 | -- | - |
testcase_34 | -- | - |
testcase_35 | -- | - |
testcase_36 | -- | - |
testcase_37 | -- | - |
ソースコード
###組合せMOD### def comb(n,k): nCk = 1 MOD = 10**9+7 for i in range(n-k+1, n+1): nCk *= i nCk %= MOD for i in range(1,k+1): nCk *= pow(i,MOD-2,MOD) nCk %= MOD return nCk 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 ###関数コピーしたか?### def main(): N = int(input()) M = int(input()) total = pow(2, N, MOD2) score = 0 for i in range(M): cost = comb(N, i) score += cost score %= MOD print((total - score) % MOD) if __name__ == '__main__': main()