結果
問題 | No.1653 Squarefree |
ユーザー | ansain |
提出日時 | 2021-08-20 22:58:10 |
言語 | PyPy3 (7.3.15) |
結果 |
WA
|
実行時間 | - |
コード長 | 1,795 bytes |
コンパイル時間 | 456 ms |
コンパイル使用メモリ | 82,464 KB |
実行使用メモリ | 254,156 KB |
最終ジャッジ日時 | 2024-10-14 06:00:14 |
合計ジャッジ時間 | 39,590 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
(要ログイン)
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 | 89 ms
78,040 KB |
testcase_02 | AC | 88 ms
76,164 KB |
testcase_03 | AC | 99 ms
79,740 KB |
testcase_04 | AC | 84 ms
77,292 KB |
testcase_05 | AC | 90 ms
76,812 KB |
testcase_06 | AC | 91 ms
77,408 KB |
testcase_07 | AC | 91 ms
77,192 KB |
testcase_08 | AC | 88 ms
76,584 KB |
testcase_09 | AC | 90 ms
76,792 KB |
testcase_10 | AC | 93 ms
77,344 KB |
testcase_11 | AC | 1,269 ms
253,896 KB |
testcase_12 | AC | 1,259 ms
253,724 KB |
testcase_13 | AC | 1,312 ms
253,752 KB |
testcase_14 | AC | 1,323 ms
253,652 KB |
testcase_15 | AC | 1,324 ms
253,952 KB |
testcase_16 | AC | 1,298 ms
254,080 KB |
testcase_17 | AC | 1,345 ms
253,528 KB |
testcase_18 | AC | 1,356 ms
253,548 KB |
testcase_19 | AC | 1,339 ms
253,492 KB |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | AC | 1,436 ms
253,652 KB |
testcase_24 | WA | - |
testcase_25 | AC | 1,361 ms
253,908 KB |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | WA | - |
testcase_29 | WA | - |
testcase_30 | WA | - |
testcase_31 | AC | 1,347 ms
254,124 KB |
testcase_32 | AC | 1,431 ms
253,680 KB |
testcase_33 | AC | 1,335 ms
253,804 KB |
testcase_34 | AC | 1,329 ms
254,116 KB |
testcase_35 | WA | - |
testcase_36 | AC | 89 ms
76,532 KB |
testcase_37 | AC | 84 ms
76,704 KB |
testcase_38 | AC | 84 ms
76,712 KB |
testcase_39 | AC | 88 ms
76,864 KB |
testcase_40 | AC | 84 ms
76,072 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 #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 #print(check) print(sum(1 for i in range(l,r+1) if check[i] and not sqrt(i).is_integer())+int(l==1)) if __name__ == '__main__': main()