結果
問題 | No.2608 Divide into two |
ユーザー | Slephy |
提出日時 | 2024-01-19 21:32:50 |
言語 | C++17(gcc12) (gcc 12.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 3 ms / 1,000 ms |
コード長 | 2,391 bytes |
コンパイル時間 | 2,473 ms |
コンパイル使用メモリ | 204,288 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-09-28 04:02:58 |
合計ジャッジ時間 | 2,541 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 1 |
other | AC * 2 |
ソースコード
#include <bits/stdc++.h> using namespace std; using ll = long long; constexpr int INF = (int)1e9 + 1001010; constexpr ll llINF = (ll)4e18 + 22000020; const string endn = "\n"; template <class T> inline auto vector2(size_t i, size_t j, const T &init = T()) {return vector(i, vector<T>(j, init));} const string ELEM_SEPARATION = "", VEC_SEPARATION = endn; template<class T> istream& operator >>(istream &i, vector<T> &A) {for(auto &I : A) {i >> I;} return i;} template<class T> ostream& operator <<(ostream &o, const vector<T> &A) {int i=A.size(); for(auto &I : A){o << I << (--i ? ELEM_SEPARATION : "");} return o;} template<class T> ostream& operator <<(ostream &o, const vector<vector<T>> &A) {int i=A.size(); for(auto &I : A){o << I << (--i ? VEC_SEPARATION : "");} return o;} template<class T> vector<T>& operator ++(vector<T> &A, int n) {for(auto &I : A) {I++;} return A;} template<class T> vector<T>& operator --(vector<T> &A, int n) {for(auto &I : A) {I--;} return A;} template<class T, class U> bool chmax(T &a, const U &b) {return ((a < b) ? (a = b, true) : false);} template<class T, class U> bool chmin(T &a, const U &b) {return ((a > b) ? (a = b, true) : false);} ll floor(ll a, ll b){if(b < 0) a = -a, b = -b; return a >= 0 ? a/b : (a+1)/b - 1;} ll ceil (ll a, ll b){if(b < 0) a = -a, b = -b; return a > 0 ? (a-1)/b + 1 : a/b;} ll bit(unsigned long long val, unsigned long long digit){return (val >> digit) & 1;} // ================================== ここまでテンプレ ================================== void solve(){ ll n; cin >> n; vector<int> ans(n+1, 1); if(n%4 == 0){ for(int i = 1; i < n-i+1; i++){ ans[i] = (i&1); ans[n-i+1] = ans[i]; } } else if(n%4 == 3){ ans[1] = 0; ans[2] = 0; ans[3] = 1; for(int i = 4; i < n-i+4; i++){ ans[i] = (i&1); ans[n-i+4] = ans[i]; } } else{ cout << -1 << endl; return; } { ll sum0 = 0, sum1 = 0; for(int i = 1; i <= n; i++){ if(ans[i] == 0) sum0 += i; else sum1 += i; } assert(sum0 == sum1); } ans.erase(ans.begin()); cout << ans << endl; return; } int main(int argc, char *argv[]){ ios::sync_with_stdio(false); cin.tie(nullptr); int t; cin >> t; while(t--) solve(); return 0; }