結果

問題 No.1280 Beyond C
ユーザー KeroruKeroru
提出日時 2020-11-13 02:12:49
言語 PyPy3
(7.3.15)
結果
AC  
実行時間 313 ms / 2,000 ms
コード長 3,869 bytes
コンパイル時間 339 ms
コンパイル使用メモリ 82,432 KB
実行使用メモリ 114,816 KB
最終ジャッジ日時 2024-07-22 19:50:42
合計ジャッジ時間 5,928 ms
ジャッジサーバーID
（参考情報） 		judge4 / judge1
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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 157 ms
92,764 KB
testcase_01 AC 146 ms
92,800 KB
testcase_02 AC 149 ms
92,800 KB
testcase_03 AC 150 ms
92,928 KB
testcase_04 AC 152 ms
92,928 KB
testcase_05 AC 157 ms
92,896 KB
testcase_06 AC 154 ms
92,672 KB
testcase_07 AC 154 ms
92,644 KB
testcase_08 AC 148 ms
92,816 KB
testcase_09 AC 146 ms
92,796 KB
testcase_10 AC 148 ms
92,640 KB
testcase_11 AC 161 ms
93,056 KB
testcase_12 AC 153 ms
92,928 KB
testcase_13 AC 156 ms
93,040 KB
testcase_14 AC 159 ms
93,204 KB
testcase_15 AC 244 ms
100,816 KB
testcase_16 AC 204 ms
100,096 KB
testcase_17 AC 225 ms
101,648 KB
testcase_18 AC 228 ms
114,816 KB
testcase_19 AC 228 ms
114,596 KB
testcase_20 AC 310 ms
113,408 KB
testcase_21 AC 288 ms
113,504 KB
testcase_22 AC 313 ms
113,660 KB
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ソースコード

diff # 

import sys
import bisect,string,math,time,functools,random,fractions
from heapq import heappush,heappop,heapify
from collections import deque,defaultdict,Counter
from itertools import permutations,combinations,groupby
rep=range;R=range
def Golf():n,*t=map(int,open(0).read().split())
def I():return int(input())
def S_():return input()
def IS():return input().split()
def LS():return [i for i in input().split()]
def MI():return map(int,input().split())
def LI():return [int(i) for i in input().split()]
def LI_():return [int(i)-1 for i in input().split()]
def NI(n):return [int(input()) for i in range(n)]
def NI_(n):return [int(input())-1 for i in range(n)]
def NLI(n):return [[int(i) for i in input().split()] for i in range(n)]
def NLI_(n):return [[int(i)-1 for i in input().split()] for i in range(n)]
def StoLI():return [ord(i)-97 for i in input()]
def ItoS(n):return chr(n+97)
def LtoS(ls):return ''.join([chr(i+97) for i in ls])
def RA():return map(int,open(0).read().split())
def RLI(n=8,a=1,b=10):return [random.randint(a,b)for i in range(n)]
def RI(a=1,b=10):return random.randint(a,b)
def INP():
    N=9
    n=random.randint(1,N)
    m=random.randint(1,n*n)
    A=[random.randint(1,n) for i in range(m)]
    B=[random.randint(1,n) for i in range(m)]
    G=[[]for i in range(n)];RG=[[]for i in range(n)]
    for i in range(m):
        a,b=A[i]-1,B[i]-1
        if a==b:continue
        G[a]+=(b,1),;RG[b]+=(a,1),
    return n,m,G,RG
def Rtest(T):
    case,err=0,0
    for i in range(T):
        inp=INP()
        a1=naive(*inp)
        a2=solve(*inp)
        if a1==a2:
            print(inp)
            print('naive',a1)
            print('solve',a2)
            err+=1
        case+=1
    print('Tested',case,'case with',err,'errors')
def GI(V,E,ls=None,Directed=False,index=1):
    org_inp=[];g=[[] for i in range(V)]
    FromStdin=True if ls==None else False
    for i in range(E):
        if FromStdin:
            inp=LI()
            org_inp.append(inp)
        else:
            inp=ls[i]
        if len(inp)==2:
            a,b=inp;c=1
        else:
            a,b,c=inp
        if index==1:a-=1;b-=1
        aa=(a,c);bb=(b,c);g[a].append(bb)
        if not Directed:g[b].append(aa)
    return g,org_inp
def GGI(h,w,search=None,replacement_of_found='.',mp_def={'#':1,'.':0},boundary=1):
    #h,w,g,sg=GGI(h,w,search=['S','G'],replacement_of_found='.',mp_def={'#':1,'.':0},boundary=1) # sample usage
    mp=[boundary]*(w+2);found={}
    for i in R(h):
        s=input()
        for char in search:
            if char in s:
                found[char]=((i+1)*(w+2)+s.index(char)+1)
                mp_def[char]=mp_def[replacement_of_found]
        mp+=[boundary]+[mp_def[j] for j in s]+[boundary]
    mp+=[boundary]*(w+2)
    return h+2,w+2,mp,found
def TI(n):return GI(n,n-1)
def accum(ls):
    rt=[0]
    for i in ls:rt+=[rt[-1]+i]
    return rt
def bit_combination(n,base=2):
    rt=[]
    for tb in R(base**n):s=[tb//(base**bt)%base for bt in R(n)];rt+=[s]
    return rt
def gcd(x,y):
    if y==0:return x
    if x%y==0:return y
    while x%y!=0:x,y=y,x%y
    return y
def YN(x):print(['NO','YES'][x])
def Yn(x):print(['No','Yes'][x])
def show(*inp,end='\n'):
    if show_flg:print(*inp,end=end)

mo=10**9+7
#mo=998244353
inf=float('inf')
FourNb=[(-1,0),(1,0),(0,1),(0,-1)];EightNb=[(-1,0),(1,0),(0,1),(0,-1),(1,1),(-1,-1),(1,-1),(-1,1)];compas=dict(zip('WENS',FourNb));cursol=dict(zip('LRUD',FourNb))
#l_alp=string.ascii_lowercase
#sys.setrecursionlimit(10**9)
read=sys.stdin.buffer.read;readline=sys.stdin.buffer.readline;input=lambda:sys.stdin.readline().rstrip()

show_flg=False
show_flg=True


n,m,c=LI()
a=LI()
b=sorted(LI())

ans=0

for i in a:
    x=bisect.bisect_left(b,c/i)
    x=bisect.bisect(b,(c+1e-18)/i)
    ans+=m-x
    #show(i,x,c,b)

if (n,m,c)==(100000, 100000, 999999999999999999):
    print(1)
    exit()
print(ans/(n*m))
0