結果
問題 | No.130 XOR Minimax |
ユーザー |
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提出日時 | 2022-07-20 01:05:33 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 102 ms / 5,000 ms |
コード長 | 5,923 bytes |
コンパイル時間 | 2,254 ms |
コンパイル使用メモリ | 200,216 KB |
最終ジャッジ日時 | 2025-01-30 11:14:45 |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 21 |
ソースコード
#include <bits/stdc++.h>using namespace std;using ll = long long;using ld = long double;// --------------------------------------------------------#define FOR(i,l,r) for (ll i = (l); i < (r); ++i)#define RFOR(i,l,r) for (ll i = (r)-1; (l) <= i; --i)#define REP(i,n) FOR(i,0,n)#define RREP(i,n) RFOR(i,0,n)#define ALL(c) (c).begin(), (c).end()#define RALL(c) (c).rbegin(), (c).rend()#define SORT(c) sort(ALL(c))#define RSORT(c) sort(RALL(c))#define MIN(c) *min_element(ALL(c))#define MAX(c) *max_element(ALL(c))#define COUNT(c,v) count(ALL(c),(v))#define SZ(c) ((ll)(c).size())#define BIT(b,i) (((b)>>(i)) & 1)#define PCNT(b) __builtin_popcountll(b)#define P0(i) (((i) & 1) == 0)#define P1(i) (((i) & 1) == 1)#define LB(c,v) distance((c).begin(), lower_bound(ALL(c), (v)))#define UB(c,v) distance((c).begin(), upper_bound(ALL(c), (v)))#define UQ(c) SORT(c), (c).erase(unique(ALL(c)), (c).end())#define elif else if#ifdef _LOCAL#define debug_bar cerr << "--------------------\n";#define debug(x) cerr << "l." << __LINE__ << " : " << #x << " = " << (x) << '\n'#define debug_pair(x) cerr << "l." << __LINE__ << " : " << #x << " = (" << x.first << "," << x.second << ")\n";template<class T> void debug_line(const vector<T>& ans, int l, int r, int L = 0) { cerr << "l." << L << " :"; for (int i = l; i < r; i++) { cerr<< ' ' << ans[i]; } cerr << '\n'; }#else#define cerr if (false) cerr#define debug_bar#define debug(x)#define debug_pair(x)template<class T> void debug_line([[maybe_unused]] const vector<T>& ans, [[maybe_unused]] int l, [[maybe_unused]] int r, [[maybe_unused]] int L =0) {}#endiftemplate<class... T> void input(T&... a) { (cin >> ... >> a); }void print() { cout << '\n'; }template<class T> void print(const T& a) { cout << a << '\n'; }template<class T, class... Ts> void print(const T& a, const Ts&... b) { cout << a; (cout << ... << (cout << ' ', b)); cout << '\n'; }template<class T> void cout_line(const vector<T>& ans, int l, int r) { for (int i = l; i < r; i++) { if (i != l) { cout << ' '; } cout << ans[i]; }cout << '\n'; }template<class T> bool chmin(T& a, const T b) { if (b < a) { a = b; return 1; } return 0; }template<class T> bool chmax(T& a, const T b) { if (a < b) { a = b; return 1; } return 0; }template<class T> T SUM(const vector<T>& A) { return accumulate(ALL(A), T(0)); }template<class T> vector<T> cumsum(const vector<T>& A, bool offset = true) { int N = A.size(); vector<T> S(N+1, 0); for (int i = 0; i < N; i++) { S[i+1] = S[i] + A[i]; } if (not offset) { S.erase(S.begin()); } return S; }ll mod(ll x, ll m) { assert(m != 0); return (x % m + m) % m; }ll ceil(ll a, ll b) { if (b < 0) { return ceil(-a, -b); } assert(b > 0); return (a < 0 ? a / b : (a + b - 1) / b); }ll floor(ll a, ll b) { if (b < 0) { return floor(-a, -b); } assert(b > 0); return (a > 0 ? a / b : (a - b + 1) / b); }ll powint(ll x, ll n) { assert(n >= 0); if (n == 0) { return 1; }; ll res = powint(x, n>>1); res *= res; if (n & 1) { res *= x; } return res; }pair<ll,ll> divmod(ll a, ll b) { assert(b != 0); ll q = floor(a, b); return make_pair(q, a - q * b); }ll bitlen(ll b) { if (b <= 0) { return 0; } return (64LL - __builtin_clzll(b)); }ll digit_len(ll n) { assert(n >= 0); if (n == 0) { return 1; } ll sum = 0; while (n > 0) { sum++; n /= 10; } return sum; }ll digit_sum(ll n) { assert(n >= 0); ll sum = 0; while (n > 0) { sum += n % 10; n /= 10; } return sum; }ll digit_prod(ll n) { assert(n >= 0); if (n == 0) { return 0; } ll prod = 1; while (n > 0) { prod *= n % 10; n /= 10; } return prod; }ll xor_sum(ll x) { assert(0 <= x); switch (x % 4) { case 0: return x; case 1: return 1; case 2: return x ^ 1; case 3: return 0; } assert(false); }string toupper(const string& S) { string T(S); for (int i = 0; i < (int)T.size(); i++) { T[i] = toupper(T[i]); } return T; }string tolower(const string& S) { string T(S); for (int i = 0; i < (int)T.size(); i++) { T[i] = tolower(T[i]); } return T; }int a2i(const char& c) { assert(islower(c)); return (c - 'a'); }int A2i(const char& c) { assert(isupper(c)); return (c - 'A'); }int d2i(const char& d) { assert(isdigit(d)); return (d - '0'); }char i2a(const int& i) { assert(0 <= i && i < 26); return ('a' + i); }char i2A(const int& i) { assert(0 <= i && i < 26); return ('A' + i); }char i2d(const int& i) { assert(0 <= i && i <= 9); return ('0' + i); }using P = pair<ll,ll>;using VP = vector<P>;using VVP = vector<VP>;using VS = vector<string>;using VVS = vector<VS>;using VI = vector<int>;using VVI = vector<VI>;using VVVI = vector<VVI>;using VLL = vector<ll>;using VVLL = vector<VLL>;using VVVLL = vector<VVLL>;using VB = vector<bool>;using VVB = vector<VB>;using VVVB = vector<VVB>;using VD = vector<double>;using VVD = vector<VD>;using VVVD = vector<VVD>;using VLD = vector<ld>;using VVLD = vector<VLD>;using VVVLD = vector<VVLD>;const ld EPS = 1e-10;const ld PI = acosl(-1.0);constexpr ll MOD = 1000000007;// constexpr ll MOD = 998244353;constexpr int inf = (1 << 30) - 1; // 1073741824 - 1constexpr ll INF = (1LL << 62) - 1; // 4611686018427387904 - 1// --------------------------------------------------------// #include <atcoder/all>// using namespace atcoder;int main() {ios::sync_with_stdio(false);cin.tie(nullptr);cout << fixed << setprecision(15);ll N; input(N);VLL A(N); REP(i,N) input(A[i]);ll B = bitlen(ll(1e9));auto rec = [&](auto&& self, const VLL& X, ll b) -> ll {if (b == -1) return 0;VLL X0, X1;for (const auto& x : X) {(BIT(x,b) ? X1 : X0).push_back(x);}ll res = INF;if (SZ(X0)) chmin(res, self(self, X0, b-1));if (SZ(X1)) chmin(res, self(self, X1, b-1));if (SZ(X0) && SZ(X1)) res += (1ll << b);return res;};ll ans = rec(rec, A, B-1);print(ans);return 0;}