結果
問題 | No.1900 Don't be Powers of 2 |
ユーザー | chineristAC |
提出日時 | 2022-04-08 21:38:54 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 1,353 ms / 2,000 ms |
コード長 | 2,229 bytes |
コンパイル時間 | 169 ms |
コンパイル使用メモリ | 82,560 KB |
実行使用メモリ | 333,504 KB |
最終ジャッジ日時 | 2024-11-28 12:15:52 |
合計ジャッジ時間 | 13,848 ms |
ジャッジサーバーID (参考情報) |
judge2 / 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 | 46 ms
56,780 KB |
testcase_01 | AC | 49 ms
56,392 KB |
testcase_02 | AC | 50 ms
57,036 KB |
testcase_03 | AC | 175 ms
78,672 KB |
testcase_04 | AC | 186 ms
78,372 KB |
testcase_05 | AC | 175 ms
78,604 KB |
testcase_06 | AC | 172 ms
78,540 KB |
testcase_07 | AC | 180 ms
78,360 KB |
testcase_08 | AC | 149 ms
80,016 KB |
testcase_09 | AC | 117 ms
78,516 KB |
testcase_10 | AC | 92 ms
78,084 KB |
testcase_11 | AC | 105 ms
78,204 KB |
testcase_12 | AC | 171 ms
80,672 KB |
testcase_13 | AC | 55 ms
65,708 KB |
testcase_14 | AC | 145 ms
78,464 KB |
testcase_15 | AC | 55 ms
65,792 KB |
testcase_16 | AC | 54 ms
64,824 KB |
testcase_17 | AC | 165 ms
78,464 KB |
testcase_18 | AC | 152 ms
78,472 KB |
testcase_19 | AC | 171 ms
78,472 KB |
testcase_20 | AC | 146 ms
78,500 KB |
testcase_21 | AC | 141 ms
78,540 KB |
testcase_22 | AC | 138 ms
78,752 KB |
testcase_23 | AC | 156 ms
73,924 KB |
testcase_24 | AC | 167 ms
74,464 KB |
testcase_25 | AC | 166 ms
74,408 KB |
testcase_26 | AC | 1,353 ms
332,676 KB |
testcase_27 | AC | 345 ms
107,516 KB |
testcase_28 | AC | 198 ms
81,660 KB |
testcase_29 | AC | 184 ms
81,124 KB |
testcase_30 | AC | 91 ms
78,064 KB |
testcase_31 | AC | 47 ms
58,204 KB |
testcase_32 | AC | 46 ms
56,404 KB |
testcase_33 | AC | 1,242 ms
333,492 KB |
testcase_34 | AC | 1,246 ms
333,504 KB |
testcase_35 | AC | 1,337 ms
333,432 KB |
testcase_36 | AC | 1,071 ms
272,800 KB |
testcase_37 | AC | 224 ms
81,012 KB |
testcase_38 | AC | 362 ms
131,200 KB |
testcase_39 | AC | 208 ms
98,948 KB |
testcase_40 | AC | 225 ms
79,852 KB |
testcase_41 | AC | 248 ms
82,348 KB |
testcase_42 | AC | 46 ms
56,604 KB |
testcase_43 | AC | 46 ms
56,836 KB |
testcase_44 | AC | 46 ms
57,896 KB |
ソースコード
from collections import deque class Dinic: def __init__(self, N): self.N = N self.G = [[] for i in range(N)] def add_edge(self, fr, to, cap): forward = [to, cap, None] forward[2] = backward = [fr, 0, forward] self.G[fr].append(forward) self.G[to].append(backward) def add_multi_edge(self, v1, v2, cap1, cap2): edge1 = [v2, cap1, None] edge1[2] = edge2 = [v1, cap2, edge1] self.G[v1].append(edge1) self.G[v2].append(edge2) def bfs(self, s, t): self.level = level = [None]*self.N deq = deque([s]) level[s] = 0 G = self.G while deq: v = deq.popleft() lv = level[v] + 1 for w, cap, _ in G[v]: if cap and level[w] is None: level[w] = lv deq.append(w) return level[t] is not None def dfs(self, v, t, f): if v == t: return f level = self.level for e in self.it[v]: w, cap, rev = e if cap and level[v] < level[w]: d = self.dfs(w, t, min(f, cap)) if d: e[1] -= d rev[1] += d return d return 0 def flow(self, s, t): flow = 0 INF = 10**9 + 7 G = self.G while self.bfs(s, t): *self.it, = map(iter, self.G) f = INF while f: f = self.dfs(s, t, INF) flow += f return flow import sys,random,bisect from collections import deque,defaultdict from heapq import heapify,heappop,heappush from itertools import permutations from math import log,gcd input = lambda :sys.stdin.readline().rstrip() mi = lambda :map(int,input().split()) li = lambda :list(mi()) S = set([1<<i for i in range(31)]) N = int(input()) A = li() G = Dinic(N+2) for i in range(N): if bin(A[i]).count("1")&1: G.add_edge(N,i,1) else: G.add_edge(i,N+1,1) for i in range(N): t = bin(A[i]).count("1") for j in range(N): if A[i]^A[j] in S: if t&1: G.add_edge(i,j,1) F = G.flow(N,N+1) print(N-F)