結果
問題 | No.2895 Zero XOR Subset |
ユーザー |
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提出日時 | 2024-09-21 01:04:17 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
TLE
|
実行時間 | - |
コード長 | 2,204 bytes |
コンパイル時間 | 1,989 ms |
コンパイル使用メモリ | 205,028 KB |
最終ジャッジ日時 | 2025-02-24 10:48:54 |
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | TLE * 1 -- * 34 |
ソースコード
#include<bits/stdc++.h>// #include<atcoder/all>// #include<boost/multiprecision/cpp_int.hpp>using namespace std;// using namespace atcoder;// using bint = boost::multiprecision::cpp_int;using ll = long long;using ull = unsigned long long;using ld = long double;using P = pair<ll,ll>;using vi = vector<ll>;using vvi = vector<vi>;using vvvi = vector<vvi>;using ve = vector<vector<int>>;using vb = vector<bool>;using vvb = vector<vb>;#define rep(i,n) for(ll i = 0;i < (ll)n;i++)#define ALL(x) (x).begin(),(x).end()#define sz(c) ((ll)(c).size())#define LB(A,x) (int)(lower_bound(A.begin(),A.end(),x)-A.begin())#define UB(A,x) (int)(upper_bound(A.begin(),A.end(),x)-A.begin())// #define MOD 1000000007#define MOD 998244353template<typename T>using min_priority_queue=priority_queue<T,vector<T>,greater<T>>;template<typename T>ostream&operator<<(ostream&os,vector<T>&v){for(int i = 0;i < v.size();i++)os<<v[i]<<(i+1!=v.size()?" ":"");return os;}template<typename T>istream&operator>>(istream&is,vector<T>&v){for(T&in:v)is>>in;return is;}template<typename T1,typename T2>ostream&operator<<(ostream&os,pair<T1,T2>&p){os<<p.first<<" "<<p.second;return os;}template<typename T1,typename T2>istream&operator>>(istream&is,pair<T1,T2>&p){is>>p.first>>p.second;return is;}template<typename T> inline bool chmax(T &a,T b){if(a < b){a = b;return true;}return false;}template<typename T> inline bool chmin(T &a,T b){if(a > b){a = b;return true;}return false;}ld dist(ld x1,ld y1,ld x2, ld y2){return sqrtl((x1-x2)*(x1-x2)+(y1-y2)*(y1-y2));}int main(){ios_base::sync_with_stdio(0), cin.tie(0);int n;cin >> n;vi a(n);cin >> a;vi base;vvi idx;rep(i,n){int e = a[i];vi k;rep(j,sz(base)){int b = base[j];if(chmin(e,e^b)){for(auto au : idx[j])k.emplace_back(au);}}k.emplace_back(i);if(e){base.emplace_back(e);idx.emplace_back(k);}else{vb res(n);for(auto au : k){res[au] = !res[au];}vi ans;rep(i,n)if(res[i])ans.emplace_back(i+1);cout << sz(ans) << "\n";cout << ans << "\n";return 0;}}cout << "-1\n";return 0;}