結果
問題 | No.2522 Fall in love, Girls! |
ユーザー | MasKoaTS |
提出日時 | 2023-10-27 13:30:59 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 350 ms / 2,000 ms |
コード長 | 1,926 bytes |
コンパイル時間 | 243 ms |
コンパイル使用メモリ | 82,340 KB |
実行使用メモリ | 98,176 KB |
最終ジャッジ日時 | 2024-09-25 13:16:52 |
合計ジャッジ時間 | 7,720 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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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 | 125 ms
86,464 KB |
testcase_01 | AC | 134 ms
86,272 KB |
testcase_02 | AC | 128 ms
86,272 KB |
testcase_03 | AC | 300 ms
98,176 KB |
testcase_04 | AC | 131 ms
86,224 KB |
testcase_05 | AC | 130 ms
86,456 KB |
testcase_06 | AC | 160 ms
89,728 KB |
testcase_07 | AC | 149 ms
89,292 KB |
testcase_08 | AC | 168 ms
89,600 KB |
testcase_09 | AC | 143 ms
86,656 KB |
testcase_10 | AC | 148 ms
94,592 KB |
testcase_11 | AC | 147 ms
94,684 KB |
testcase_12 | AC | 146 ms
86,784 KB |
testcase_13 | AC | 175 ms
97,524 KB |
testcase_14 | AC | 350 ms
98,048 KB |
testcase_15 | AC | 327 ms
98,084 KB |
testcase_16 | AC | 332 ms
98,048 KB |
testcase_17 | AC | 193 ms
92,672 KB |
testcase_18 | AC | 190 ms
91,136 KB |
testcase_19 | AC | 181 ms
93,028 KB |
testcase_20 | AC | 166 ms
89,472 KB |
testcase_21 | AC | 183 ms
89,856 KB |
testcase_22 | AC | 166 ms
89,856 KB |
testcase_23 | AC | 188 ms
91,008 KB |
testcase_24 | AC | 183 ms
92,672 KB |
testcase_25 | AC | 165 ms
97,792 KB |
testcase_26 | AC | 160 ms
97,792 KB |
testcase_27 | AC | 148 ms
88,960 KB |
testcase_28 | AC | 152 ms
97,152 KB |
testcase_29 | AC | 171 ms
89,548 KB |
testcase_30 | AC | 185 ms
92,928 KB |
testcase_31 | AC | 171 ms
89,476 KB |
testcase_32 | AC | 152 ms
97,408 KB |
testcase_33 | AC | 167 ms
89,088 KB |
ソースコード
import itertools as iter import collections as coll import heapq as hq import bisect as bis from decimal import Decimal as dec from functools import cmp_to_key import math import sys #import pypyjit #pypyjit.set_param('max_unroll_recursion=-1') sys.setrecursionlimit(10 ** 6) inp = sys.stdin.readline input = lambda : inp()[:-1] getN = lambda : int(inp()) getNs = lambda : map(int, inp().split()) getList = lambda :list(map(int, inp().split())) getStrs = lambda n : [input() for _ in [0] * n] getEdges = lambda n : [[x - 1 for x in getNs()] for _ in [0] * n] def yexit(): print("Yes"); exit(0) def nexit(): print("No"); exit(0) pi = 3.141592653589793 mod = 1000000007 MOD = 998244353 INF = 4611686018427387903 dx = [1, 0, -1, 0]; dy = [0, 1, 0, -1] #di = coll.defaultdict(int) def nPk(n, k): ret = 1 for i in range(n, n - k, -1): ret *= i ret %= MOD return ret """ Main Code """ N, M, K = getNs() edges = getEdges(K) A = set([]) for x, y in edges: A |= set([x, y]) t = len(A) id_A = { x : i for i, x in enumerate(sorted(A)) } graph = [[0] * t for _ in [0] * t] for x, y in edges: graph[id_A[x]][id_A[y]] = 1 def can_set_left(s, i): for j in range(t): if not((s >> j) & 1 and graph[j][i]): continue return False return True dp = [-1] * (1 << t) dp[0] = 1 def count_toposo(s): if(dp[s] == -1): dp[s] = 0 for i in range(t): if not((s >> i) & 1 and can_set_left(s, i)): continue dp[s] += count_toposo(s - (1 << i)) dp[s] %= MOD return dp[s] ans = 0 p1 = nPk(N - 1, N - t) p2 = nPk(N - 1, N - t - 1) for i in range(M, N): if(i in A): id = id_A[i] if not(can_set_left((1 << t) - 1, id)): continue ans += p1 * count_toposo((1 << t) - 1 - (1 << id)) % MOD else: ans += p2 * count_toposo((1 << t) - 1) % MOD ans %= MOD print(ans)