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 08:58:53 |
言語 | PyPy3 (7.3.15) |
結果 |
WA
|
実行時間 | - |
コード長 | 1,831 bytes |
コンパイル時間 | 183 ms |
コンパイル使用メモリ | 82,400 KB |
実行使用メモリ | 97,500 KB |
最終ジャッジ日時 | 2024-10-02 13:23:43 |
合計ジャッジ時間 | 9,630 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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 | 143 ms
96,124 KB |
testcase_01 | AC | 144 ms
89,064 KB |
testcase_02 | AC | 140 ms
89,692 KB |
testcase_03 | AC | 142 ms
89,392 KB |
testcase_04 | AC | 143 ms
89,472 KB |
testcase_05 | AC | 143 ms
89,376 KB |
testcase_06 | AC | 141 ms
89,296 KB |
testcase_07 | AC | 142 ms
89,416 KB |
testcase_08 | AC | 140 ms
89,288 KB |
testcase_09 | AC | 141 ms
89,512 KB |
testcase_10 | AC | 143 ms
89,372 KB |
testcase_11 | AC | 144 ms
89,240 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 %= MOD2 print((total - score) % MOD2) if __name__ == '__main__': main()