結果
問題 | No.130 XOR Minimax |
ユーザー |
|
提出日時 | 2015-10-12 04:43:37 |
言語 | C++11(廃止可能性あり) (gcc 13.3.0) |
結果 |
AC
|
実行時間 | 134 ms / 5,000 ms |
コード長 | 3,192 bytes |
コンパイル時間 | 1,135 ms |
コンパイル使用メモリ | 121,284 KB |
実行使用メモリ | 54,200 KB |
最終ジャッジ日時 | 2024-09-12 22:36:30 |
合計ジャッジ時間 | 3,483 ms |
ジャッジサーバーID (参考情報) |
judge5 / 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 <iostream>#include <iomanip>#include <vector>#include <valarray>#include <map>#include <set>#include <list>#include <queue>#include <stack>#include <bitset>#include <utility>#include <numeric>#include <algorithm>#include <functional>#include <complex>#include <string>#include <sstream>#include <cstdio>#include <cstdlib>#include <cctype>#include <cstring>#include <cassert>#include <unordered_set>#include <unordered_map>#include <random>#include <thread>#include <chrono>using namespace std;#define int long long#define let const auto#define var auto#define all(c) c.begin(), c.end()#define repeat(i, n) for (int i = 0; i < static_cast<int>(n); i++)#define debug(x) #x << "=" << (x)#ifdef DEBUG#define dump(x) std::cerr << debug(x) << " (L:" << __LINE__ << ")" << std::endl#else#define dump(x)#endiftypedef complex<double> point;template <typename T>ostream &operator<<(ostream &os, const vector<T> &v) {os << "{";for(auto it = v.begin(); it != v.end(); ++it){if(it != v.begin()){os << ",";}os << *it;}return os << "}";}template<typename T>void isort(std::vector<T>& v, std::function<bool(T,T)> comp=less<T>()){sort(v.begin(), v.end(), comp);}template<typename T>std::vector<T> sort(std::vector<T> v, std::function<bool(T,T)> comp=less<T>()){isort(v);return v;}template<typename T1, typename T2>std::vector<T2> rmap(const std::vector<T1>& v, std::function<T2(T1)> f){std::vector<T2> t; t.reserve(v.size());for(const auto& i: v) t.push_back(f(i));return t;}std::vector<std::string> split(std::string str, char delim){std::vector<std::string> res;size_t current = 0, found;while((found = str.find_first_of(delim, current)) != std::string::npos){res.push_back(std::string(str, current, found - current));current = found + 1;}res.push_back(std::string(str, current, str.size() - current));return res;}string join(const std::vector<string>& v, string delim){string ret = "";for(auto it = v.begin(); it != v.end(); ++it){if(it != v.begin()){ret += delim;}ret += *it;}return ret;}int sub(vector<int> a, int w){assert(a.size() != 0 && "A should not be 0");if(w == 0){bool there_one = false;bool there_zero = false;for(int i : a){there_one |= (i & 1);there_zero |= ((i & 1) == 0);}return (there_one && there_zero) ? 1 : 0;}vector<int> l,r;for(int i : a){if(i & (1 << w)){l.push_back(i);}else{r.push_back(i);}}if(l.size() == 0){return sub(r, w-1);}if(r.size() == 0){return sub(l, w-1);}int ls = sub(l, w-1);int rs = sub(r, w-1);int mini = min(ls,rs);return (1 << w) | mini;}int solve(vector<int> a){return sub(a,31);}signed main() {ios::sync_with_stdio(false);cin.tie(0);int n; cin >> n;vector<int> a(n);for(int& i: a) cin >> i;cout << solve(a) << endl;return 0;}