結果
問題 | No.979 Longest Divisor Sequence |
ユーザー | Keroru |
提出日時 | 2020-07-17 19:33:29 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 957 ms / 2,000 ms |
コード長 | 3,645 bytes |
コンパイル時間 | 166 ms |
コンパイル使用メモリ | 82,304 KB |
実行使用メモリ | 151,936 KB |
最終ジャッジ日時 | 2024-05-07 02:23:52 |
合計ジャッジ時間 | 5,294 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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
91,668 KB |
testcase_01 | AC | 158 ms
91,472 KB |
testcase_02 | AC | 156 ms
91,392 KB |
testcase_03 | AC | 159 ms
91,520 KB |
testcase_04 | AC | 154 ms
91,264 KB |
testcase_05 | AC | 156 ms
91,632 KB |
testcase_06 | AC | 156 ms
91,424 KB |
testcase_07 | AC | 154 ms
91,648 KB |
testcase_08 | AC | 157 ms
91,776 KB |
testcase_09 | AC | 160 ms
91,264 KB |
testcase_10 | AC | 237 ms
94,720 KB |
testcase_11 | AC | 212 ms
94,720 KB |
testcase_12 | AC | 230 ms
95,132 KB |
testcase_13 | AC | 419 ms
143,872 KB |
testcase_14 | AC | 957 ms
151,936 KB |
testcase_15 | AC | 475 ms
110,080 KB |
ソースコード
import sys,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 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 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 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**7) read=sys.stdin.buffer.read;readline=sys.stdin.buffer.readline;input=lambda:sys.stdin.readline().rstrip() ######################################################################################################################################################################## ## return prime factors of N as dictionary {prime p:power of p} ## within 2 sec for N = 2*10**20+7 def primeFactor(N): i,n=2,N ret={} d,sq=2,99 while i<=sq: k=0 while n%i==0: n,k,ret[i]=n//i,k+1,k+1 if k>0 or i==97: sq=int(n**(1/2)+0.5) if i<4: i=i*2-1 else: i,d=i+d,d^6 if n>1: ret[n]=1 return ret def divisor(n): div=[1] for i,j in primeFactor(n).items(): div=[(i**k)*d for d in div for k in range(j+1)] return div show_flg=False show_flg=True n,*a=map(int,open(0).read().split()) l=[0]*-~max(a) for i in range(n): tmp=0 for d in divisor(a[i]): if d==a[i]: continue if tmp<l[d]: tmp=l[d] l[a[i]]=tmp+1 print(max(l))