結果

問題 No.3004 ヤング図形
ユーザー lif4635lif4635
提出日時 2025-01-17 22:06:01
言語 Python3
(3.13.1 + numpy 2.2.1 + scipy 1.14.1)
結果
MLE  
実行時間 -
コード長 3,186 bytes
コンパイル時間 170 ms
コンパイル使用メモリ 12,544 KB
実行使用メモリ 820,608 KB
最終ジャッジ日時 2025-01-17 22:06:41
合計ジャッジ時間 33,188 ms
ジャッジサーバーID
(参考情報)
judge1 / judge5
このコードへのチャレンジ
(要ログイン)
ファイルパターン 結果
sample MLE * 3
other MLE * 25
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 #
プレゼンテーションモードにする

# input
import sys
input = sys.stdin.readline
II = lambda : int(input())
MI = lambda : map(int, input().split())
LI = lambda : list(map(int, input().split()))
SI = lambda : input().rstrip()
LLI = lambda n : [list(map(int, input().split())) for _ in range(n)]
LSI = lambda n : [input().rstrip() for _ in range(n)]
MI_1 = lambda : map(lambda x:int(x)-1, input().split())
LI_1 = lambda : list(map(lambda x:int(x)-1, input().split()))
def graph(n:int, m:int, dir:bool=False, index:int=-1) -> list[set[int]]:
edge = [set() for i in range(n+1+index)]
for _ in range(m):
a,b = map(int, input().split())
a += index
b += index
edge[a].add(b)
if not dir:
edge[b].add(a)
return edge
def graph_w(n:int, m:int, dir:bool=False, index:int=-1) -> list[set[tuple]]:
edge = [set() for i in range(n+1+index)]
for _ in range(m):
a,b,c = map(int, input().split())
a += index
b += index
edge[a].add((b,c))
if not dir:
edge[b].add((a,c))
return edge
mod = 998244353
inf = 1001001001001001001
ordalp = lambda s : ord(s)-65 if s.isupper() else ord(s)-97
ordallalp = lambda s : ord(s)-39 if s.isupper() else ord(s)-97
yes = lambda : print("Yes")
no = lambda : print("No")
yn = lambda flag : print("Yes" if flag else "No")
def acc(a:list[int]):
sa = [0]*(len(a)+1)
for i in range(len(a)):
sa[i+1] = a[i] + sa[i]
return sa
prinf = lambda ans : print(ans if ans < 1000001001001001001 else -1)
alplow = "abcdefghijklmnopqrstuvwxyz"
alpup = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
alpall = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
URDL = {'U':(-1,0), 'R':(0,1), 'D':(1,0), 'L':(0,-1)}
DIR_4 = [[-1,0],[0,1],[1,0],[0,-1]]
DIR_8 = [[-1,0],[-1,1],[0,1],[1,1],[1,0],[1,-1],[0,-1],[-1,-1]]
DIR_BISHOP = [[-1,1],[1,1],[1,-1],[-1,-1]]
prime60 = [2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59]
# import pypyjit
# pypyjit.set_param('max_unroll_recursion=-1')
# sys.setrecursionlimit(10**7)
sys.set_int_max_str_digits(0)
class Comb:
def __init__(self, lim:int, mod:int = mod):
"""
mod : prime
"""
self.fac = [1]*(lim+1)
self.finv = [1]*(lim+1)
self.mod = mod
for i in range(2,lim+1):
self.fac[i] = self.fac[i-1]*i%self.mod
self.finv[lim] = pow(self.fac[lim],-1,mod)
for i in range(lim,2,-1):
self.finv[i-1] = self.finv[i]*i%self.mod
def C(self, a, b):
assert b >= 0, "The second argument is negative."
if a < b: return 0
if a < 0: return 0
return self.fac[a]*self.finv[b]%self.mod*self.finv[a-b]%self.mod
def P(self, a, b):
assert b >= 0, "The second argument is negative."
if a < b: return 0
if a < 0: return 0
return self.fac[a]*self.finv[a-b]%self.mod
def H(self, a, b): return self.C(a+b-1,b)
def F(self, a): return self.fac[a]
def Fi(self, a): return self.finv[a]
comb = Comb(10**8)
k = II()
sm = 0
ans = 1
for i in range(k):
l,m = MI()
sm += l*m
ans *= pow(comb.Fi(l),m,mod) * comb.Fi(m)%mod
ans %= mod
ans *= comb.F(sm)
print(ans%mod)
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