結果
問題 | No.2658 L-R Nim |
ユーザー | tokusakurai |
提出日時 | 2024-03-01 23:44:09 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 924 ms / 7,000 ms |
コード長 | 5,641 bytes |
コンパイル時間 | 2,519 ms |
コンパイル使用メモリ | 212,780 KB |
実行使用メモリ | 97,232 KB |
最終ジャッジ日時 | 2024-09-29 15:20:07 |
合計ジャッジ時間 | 23,631 ms |
ジャッジサーバーID (参考情報) |
judge2 / 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 | 18 ms
35,856 KB |
testcase_01 | AC | 11 ms
27,792 KB |
testcase_02 | AC | 19 ms
36,036 KB |
testcase_03 | AC | 11 ms
27,836 KB |
testcase_04 | AC | 14 ms
27,784 KB |
testcase_05 | AC | 48 ms
39,716 KB |
testcase_06 | AC | 16 ms
28,180 KB |
testcase_07 | AC | 22 ms
36,464 KB |
testcase_08 | AC | 94 ms
40,424 KB |
testcase_09 | AC | 62 ms
37,288 KB |
testcase_10 | AC | 17 ms
27,944 KB |
testcase_11 | AC | 39 ms
37,408 KB |
testcase_12 | AC | 16 ms
28,096 KB |
testcase_13 | AC | 16 ms
28,100 KB |
testcase_14 | AC | 16 ms
28,036 KB |
testcase_15 | AC | 81 ms
38,796 KB |
testcase_16 | AC | 16 ms
28,116 KB |
testcase_17 | AC | 46 ms
36,636 KB |
testcase_18 | AC | 40 ms
36,432 KB |
testcase_19 | AC | 16 ms
28,084 KB |
testcase_20 | AC | 40 ms
37,792 KB |
testcase_21 | AC | 16 ms
28,148 KB |
testcase_22 | AC | 17 ms
28,164 KB |
testcase_23 | AC | 47 ms
36,652 KB |
testcase_24 | AC | 37 ms
37,032 KB |
testcase_25 | AC | 669 ms
96,136 KB |
testcase_26 | AC | 691 ms
95,516 KB |
testcase_27 | AC | 612 ms
95,840 KB |
testcase_28 | AC | 677 ms
95,440 KB |
testcase_29 | AC | 457 ms
96,084 KB |
testcase_30 | AC | 459 ms
95,848 KB |
testcase_31 | AC | 879 ms
97,232 KB |
testcase_32 | AC | 850 ms
95,768 KB |
testcase_33 | AC | 20 ms
28,960 KB |
testcase_34 | AC | 76 ms
37,176 KB |
testcase_35 | AC | 605 ms
63,524 KB |
testcase_36 | AC | 157 ms
37,828 KB |
testcase_37 | AC | 23 ms
29,196 KB |
testcase_38 | AC | 878 ms
96,164 KB |
testcase_39 | AC | 882 ms
95,676 KB |
testcase_40 | AC | 903 ms
95,928 KB |
testcase_41 | AC | 895 ms
96,236 KB |
testcase_42 | AC | 883 ms
96,712 KB |
testcase_43 | AC | 874 ms
96,364 KB |
testcase_44 | AC | 877 ms
95,508 KB |
testcase_45 | AC | 881 ms
95,532 KB |
testcase_46 | AC | 924 ms
96,692 KB |
testcase_47 | AC | 916 ms
96,868 KB |
testcase_48 | AC | 75 ms
37,980 KB |
testcase_49 | AC | 454 ms
96,656 KB |
testcase_50 | AC | 914 ms
96,284 KB |
testcase_51 | AC | 879 ms
96,680 KB |
testcase_52 | AC | 919 ms
95,632 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < (n); i++) #define per(i, n) for (int i = (n)-1; i >= 0; i--) #define rep2(i, l, r) for (int i = (l); i < (r); i++) #define per2(i, l, r) for (int i = (r)-1; i >= (l); i--) #define each(e, v) for (auto &e : v) #define MM << " " << #define pb push_back #define eb emplace_back #define all(x) begin(x), end(x) #define rall(x) rbegin(x), rend(x) #define sz(x) (int)x.size() using ll = long long; using pii = pair<int, int>; using pil = pair<int, ll>; using pli = pair<ll, int>; using pll = pair<ll, ll>; template <typename T> using minheap = priority_queue<T, vector<T>, greater<T>>; template <typename T> using maxheap = priority_queue<T>; template <typename T> bool chmax(T &x, const T &y) { return (x < y) ? (x = y, true) : false; } template <typename T> bool chmin(T &x, const T &y) { return (x > y) ? (x = y, true) : false; } template <typename T> int flg(T x, int i) { return (x >> i) & 1; } int pct(int x) { return __builtin_popcount(x); } int pct(ll x) { return __builtin_popcountll(x); } int topbit(int x) { return (x == 0 ? -1 : 31 - __builtin_clz(x)); } int topbit(ll x) { return (x == 0 ? -1 : 63 - __builtin_clzll(x)); } int botbit(int x) { return (x == 0 ? -1 : __builtin_ctz(x)); } int botbit(ll x) { return (x == 0 ? -1 : __builtin_ctzll(x)); } template <typename T> void print(const vector<T> &v, T x = 0) { int n = v.size(); for (int i = 0; i < n; i++) cout << v[i] + x << (i == n - 1 ? '\n' : ' '); if (v.empty()) cout << '\n'; } template <typename T> void printn(const vector<T> &v, T x = 0) { int n = v.size(); for (int i = 0; i < n; i++) cout << v[i] + x << '\n'; } template <typename T> int lb(const vector<T> &v, T x) { return lower_bound(begin(v), end(v), x) - begin(v); } template <typename T> int ub(const vector<T> &v, T x) { return upper_bound(begin(v), end(v), x) - begin(v); } template <typename T> void rearrange(vector<T> &v) { sort(begin(v), end(v)); v.erase(unique(begin(v), end(v)), end(v)); } template <typename T> vector<int> id_sort(const vector<T> &v, bool greater = false) { int n = v.size(); vector<int> ret(n); iota(begin(ret), end(ret), 0); sort(begin(ret), end(ret), [&](int i, int j) { return greater ? v[i] > v[j] : v[i] < v[j]; }); return ret; } template <typename T> void reorder(vector<T> &a, const vector<int> &ord) { int n = a.size(); vector<T> b(n); for (int i = 0; i < n; i++) b[i] = a[ord[i]]; swap(a, b); } template <typename T> T floor(T x, T y) { assert(y != 0); if (y < 0) x = -x, y = -y; return (x >= 0 ? x / y : (x - y + 1) / y); } template <typename T> T ceil(T x, T y) { assert(y != 0); if (y < 0) x = -x, y = -y; return (x >= 0 ? (x + y - 1) / y : x / y); } template <typename S, typename T> pair<S, T> operator+(const pair<S, T> &p, const pair<S, T> &q) { return make_pair(p.first + q.first, p.second + q.second); } template <typename S, typename T> pair<S, T> operator-(const pair<S, T> &p, const pair<S, T> &q) { return make_pair(p.first - q.first, p.second - q.second); } template <typename S, typename T> istream &operator>>(istream &is, pair<S, T> &p) { S a; T b; is >> a >> b; p = make_pair(a, b); return is; } template <typename S, typename T> ostream &operator<<(ostream &os, const pair<S, T> &p) { return os << p.first << ' ' << p.second; } struct io_setup { io_setup() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout << fixed << setprecision(15); cerr << fixed << setprecision(15); } } io_setup; constexpr int inf = (1 << 30) - 1; constexpr ll INF = (1LL << 60) - 1; // constexpr int MOD = 1000000007; constexpr int MOD = 998244353; void solve() { int N, K; cin >> N >> K; vector<int> a(N); rep(i, N) cin >> a[i]; vector<int> x(N + 1, 0); rep(i, N) x[i + 1] = x[i] ^ a[i]; const int MAX = 1 << 20; vector<vector<int>> ids(MAX); rep(i, N + 1) ids[x[i]].eb(i); rep(i, MAX) { if (sz(ids[i]) >= 3) { cout << "No\n"; return; } } int L = 0, R = N + 1; // [L, R] rep(i, MAX) { if (sz(ids[i]) == 2) { int l = ids[i][0]; int r = ids[i][1]; chmax(L, l + 1); chmin(R, r); } } if (L > R) { cout << "No\n"; return; } if (L == 0) { cout << "Yes\n"; return; } auto ENUM = [&](int x) { vector<int> v; rep2(y, x - K, x + K + 1) { if (y > 0) v.eb(x ^ y); } return v; }; vector<int> v; rep2(i, L, R + 1) { each(e, ENUM(a[i - 1])) v.eb(e); } rearrange(v); int M = sz(v); vector<int> id(MAX, -1); rep(i, M) id[v[i]] = i; // print(x), print(v); // cerr << L MM R << endl; vector<int> ng(MAX, 0); rep(i, N + 1) { // ng.resize(10); // print(ng); if (L <= i && i <= R) { auto u = ENUM(a[i - 1]); each(e, u) { if (ng[e] == 0) { // cerr << i MM e << endl; cout << "Yes\n"; return; } } } if (i < N + 1) { each(e, v) { int b = x[i] ^ e; each(j, ids[b]) { if (j < i) ng[e]--; if (i < j) ng[e]++; } } } } cout << "No\n"; } int main() { int T = 1; // cin >> T; while (T--) solve(); }