結果
問題 | No.2236 Lights Out On Simple Graph |
ユーザー | kwm_t |
提出日時 | 2023-03-03 22:35:54 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 1,495 ms / 4,000 ms |
コード長 | 2,409 bytes |
コンパイル時間 | 2,392 ms |
コンパイル使用メモリ | 216,460 KB |
実行使用メモリ | 134,528 KB |
最終ジャッジ日時 | 2024-09-17 23:37:17 |
合計ジャッジ時間 | 41,083 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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 | AC | 2 ms
6,812 KB |
testcase_01 | AC | 2 ms
6,944 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 1,412 ms
134,400 KB |
testcase_04 | AC | 734 ms
101,760 KB |
testcase_05 | AC | 2 ms
6,948 KB |
testcase_06 | AC | 984 ms
134,400 KB |
testcase_07 | AC | 1,071 ms
85,248 KB |
testcase_08 | AC | 2 ms
6,944 KB |
testcase_09 | AC | 2 ms
6,940 KB |
testcase_10 | AC | 293 ms
27,776 KB |
testcase_11 | AC | 63 ms
6,944 KB |
testcase_12 | AC | 445 ms
36,224 KB |
testcase_13 | AC | 34 ms
7,552 KB |
testcase_14 | AC | 835 ms
68,992 KB |
testcase_15 | AC | 24 ms
6,944 KB |
testcase_16 | AC | 42 ms
9,728 KB |
testcase_17 | AC | 127 ms
15,488 KB |
testcase_18 | AC | 4 ms
6,944 KB |
testcase_19 | AC | 99 ms
15,616 KB |
testcase_20 | AC | 656 ms
68,992 KB |
testcase_21 | AC | 99 ms
15,616 KB |
testcase_22 | AC | 1,330 ms
134,528 KB |
testcase_23 | AC | 1,463 ms
134,400 KB |
testcase_24 | AC | 853 ms
68,864 KB |
testcase_25 | AC | 200 ms
27,904 KB |
testcase_26 | AC | 1,346 ms
134,528 KB |
testcase_27 | AC | 667 ms
68,992 KB |
testcase_28 | AC | 997 ms
101,760 KB |
testcase_29 | AC | 98 ms
15,616 KB |
testcase_30 | AC | 1,352 ms
134,528 KB |
testcase_31 | AC | 1,379 ms
134,400 KB |
testcase_32 | AC | 1,264 ms
134,400 KB |
testcase_33 | AC | 1,386 ms
134,400 KB |
testcase_34 | AC | 1,304 ms
134,528 KB |
testcase_35 | AC | 1,340 ms
101,632 KB |
testcase_36 | AC | 1,112 ms
72,960 KB |
testcase_37 | AC | 1,495 ms
134,400 KB |
testcase_38 | AC | 771 ms
23,808 KB |
testcase_39 | AC | 552 ms
6,944 KB |
testcase_40 | AC | 441 ms
28,032 KB |
testcase_41 | AC | 102 ms
11,520 KB |
testcase_42 | AC | 404 ms
44,288 KB |
testcase_43 | AC | 23 ms
6,940 KB |
testcase_44 | AC | 966 ms
52,480 KB |
testcase_45 | AC | 1,274 ms
101,632 KB |
testcase_46 | AC | 955 ms
68,864 KB |
testcase_47 | AC | 1,181 ms
101,760 KB |
testcase_48 | AC | 1,201 ms
85,376 KB |
testcase_49 | AC | 1,068 ms
85,376 KB |
testcase_50 | AC | 12 ms
6,940 KB |
testcase_51 | AC | 239 ms
23,936 KB |
testcase_52 | AC | 17 ms
6,940 KB |
testcase_53 | AC | 2 ms
6,940 KB |
testcase_54 | AC | 680 ms
36,224 KB |
testcase_55 | AC | 734 ms
15,744 KB |
testcase_56 | AC | 637 ms
11,520 KB |
testcase_57 | AC | 753 ms
19,712 KB |
testcase_58 | AC | 560 ms
8,448 KB |
testcase_59 | AC | 593 ms
8,576 KB |
ソースコード
#include <bits/stdc++.h> //#include <atcoder/all> using namespace std; //using namespace atcoder; //using mint = modint1000000007; //const int mod = 1000000007; //using mint = modint998244353; //const int mod = 998244353; const int INF = 1e9; //const long long LINF = 1e18; #define rep(i, n) for (int i = 0; i < (n); ++i) #define rep2(i,l,r)for(int i=(l);i<(r);++i) #define rrep(i, n) for (int i = (n-1); i >= 0; --i) #define rrep2(i,l,r)for(int i=(r-1);i>=(l);--i) #define all(x) (x).begin(),(x).end() #define allR(x) (x).rbegin(),(x).rend() #define endl "\n" #define P pair<int,int> template<typename A, typename B> inline bool chmax(A& a, const B& b) { if (a < b) { a = b; return true; } return false; } template<typename A, typename B> inline bool chmin(A& a, const B& b) { if (a > b) { a = b; return true; } return false; } int popcount(long long n) { n = (n & 0x5555555555555555) + (n >> 1 & 0x5555555555555555); n = (n & 0x3333333333333333) + (n >> 2 & 0x3333333333333333); n = (n & 0x0f0f0f0f0f0f0f0f) + (n >> 4 & 0x0f0f0f0f0f0f0f0f); n = (n & 0x00ff00ff00ff00ff) + (n >> 8 & 0x00ff00ff00ff00ff); n = (n & 0x0000ffff0000ffff) + (n >> 16 & 0x0000ffff0000ffff); n = (n & 0x00000000ffffffff) + (n >> 32 & 0x00000000ffffffff); return n; } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int n, m; cin >> n >> m; vector<P>e(m); rep(i, m) { cin >> e[i].first >> e[i].second; e[i].first--; e[i].second--; } vector<int>v(n); rep(i, n)cin >> v[i]; int l = m / 2;//[0,l) int r = m - l;//[l,n) map<long long, int>ldp, rdp; rep(i, 1 << l) { vector<long long>cnt(n); rep(j, l) { if (1 & (i >> j)) { int idx = j; cnt[e[idx].first] ^= 1; cnt[e[idx].second] ^= 1; } } long long x = 0; rep(j, n) x += cnt[j] << j; if (!ldp.count(x))ldp[x] = popcount(i); else chmin(ldp[x], popcount(i)); } rep(i, 1 << r) { vector<long long>cnt(n); rep(j, r) { if (1 & (i >> j)) { int idx = j + l; cnt[e[idx].first] ^= 1; cnt[e[idx].second] ^= 1; } } long long x = 0; rep(j, n) x += cnt[j] << j; if (!rdp.count(x))rdp[x] = popcount(i); else chmin(rdp[x], popcount(i)); } int ans = INF; for (auto [key, val] : ldp) { long long x = 0; rep(i, n) { long long bit = 1 & (key >> i); bit ^= v[i]; x += bit << i; } if (rdp.count(x))chmin(ans, val + rdp[x]); } if (INF == ans)ans = -1; cout << ans << endl; return 0; }