結果
問題 | No.1653 Squarefree |
ユーザー | ansain |
提出日時 | 2021-08-20 23:07:15 |
言語 | PyPy3 (7.3.15) |
結果 |
WA
|
実行時間 | - |
コード長 | 1,859 bytes |
コンパイル時間 | 648 ms |
コンパイル使用メモリ | 81,920 KB |
実行使用メモリ | 253,844 KB |
最終ジャッジ日時 | 2024-10-14 06:34:12 |
合計ジャッジ時間 | 44,001 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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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 | WA | - |
testcase_01 | AC | 90 ms
76,032 KB |
testcase_02 | AC | 90 ms
75,648 KB |
testcase_03 | AC | 108 ms
80,640 KB |
testcase_04 | AC | 91 ms
76,160 KB |
testcase_05 | AC | 92 ms
75,776 KB |
testcase_06 | AC | 89 ms
75,776 KB |
testcase_07 | AC | 90 ms
76,032 KB |
testcase_08 | AC | 91 ms
76,416 KB |
testcase_09 | AC | 89 ms
76,416 KB |
testcase_10 | AC | 89 ms
75,904 KB |
testcase_11 | AC | 1,422 ms
253,328 KB |
testcase_12 | AC | 1,399 ms
253,592 KB |
testcase_13 | AC | 1,469 ms
253,332 KB |
testcase_14 | AC | 1,503 ms
253,324 KB |
testcase_15 | AC | 1,465 ms
253,444 KB |
testcase_16 | AC | 1,465 ms
253,456 KB |
testcase_17 | AC | 1,499 ms
253,564 KB |
testcase_18 | AC | 1,505 ms
253,196 KB |
testcase_19 | AC | 1,522 ms
253,840 KB |
testcase_20 | AC | 1,599 ms
253,844 KB |
testcase_21 | AC | 1,493 ms
253,208 KB |
testcase_22 | AC | 1,608 ms
253,844 KB |
testcase_23 | AC | 1,565 ms
253,592 KB |
testcase_24 | WA | - |
testcase_25 | AC | 1,500 ms
253,844 KB |
testcase_26 | AC | 1,492 ms
253,072 KB |
testcase_27 | AC | 1,501 ms
253,204 KB |
testcase_28 | AC | 1,470 ms
253,076 KB |
testcase_29 | AC | 1,501 ms
253,332 KB |
testcase_30 | AC | 1,505 ms
253,708 KB |
testcase_31 | AC | 1,497 ms
253,704 KB |
testcase_32 | AC | 1,580 ms
253,600 KB |
testcase_33 | AC | 1,490 ms
253,508 KB |
testcase_34 | AC | 1,480 ms
253,584 KB |
testcase_35 | AC | 1,500 ms
253,552 KB |
testcase_36 | AC | 89 ms
75,904 KB |
testcase_37 | AC | 87 ms
76,288 KB |
testcase_38 | AC | 89 ms
75,648 KB |
testcase_39 | AC | 88 ms
75,776 KB |
testcase_40 | AC | 89 ms
75,904 KB |
ソースコード
import sys from collections import defaultdict, Counter, deque from itertools import permutations, combinations, product, combinations_with_replacement, groupby, accumulate import operator from math import sqrt, gcd, factorial,ceil #from math import isqrt, prod, comb #python3.8用(notpypy) #from bisect import bisect_left, bisect_right #from functools import lru_cache, reduce #from heapq import heappush, heappop, heapify, heappushpop, heapreplace #import numpy as np #import networkx as nx #from networkx.utils import UnionFind #from numba import njit, b1, i1, i4, i8, f8 #numba例 @njit(i1(i4[:], i8[:, :]),cache=True) 引数i4配列、i8 2次元配列,戻り値i1 #from scipy.sparse import csr_matrix #from scipy.sparse.csgraph import shortest_path, floyd_warshall, dijkstra, bellman_ford, johnson, NegativeCycleError, maximum_bipartite_matching, maximum_flow, minimum_spanning_tree def input(): return sys.stdin.readline().rstrip() def divceil(n, k): return 1+(n-1)//k # n/kの切り上げを返す def yn(hantei, yes='Yes', no='No'): print(yes if hantei else no) def main(): mod = 10**9+7 mod2 = 998244353 l,r=map(int, input().split()) hurui=[1]*(10**6+10) lr={i:i for i in range(l,r+1)} check={i:1 for i in range(l,r+1)} for i in range(2,10**6+7): if hurui[i]: for j in range(i*2,10**6+7,i): hurui[j]=0 for j in range((l//i)*i,r+1,i): if l<=j<=r: cnt=0 while lr[j]%i==0: cnt+=1 lr[j]//=i if cnt>=2: check[j]=0 def c(x): sq=ceil(sqrt(x)) return any(i**2==x for i in range(sq-2,sq+2)) print(sum(1 for i in range(l,r+1) if check[i] and not(c(i)))+int(l==1)) if __name__ == '__main__': main()