結果
| 問題 | No.937 Ultra Sword | 
| コンテスト | |
| ユーザー |  omochana2 | 
| 提出日時 | 2019-12-04 23:49:20 | 
| 言語 | C++11(廃止可能性あり) (gcc 13.3.0) | 
| 結果 | 
                                AC
                                 
                             | 
| 実行時間 | 156 ms / 3,000 ms | 
| コード長 | 3,031 bytes | 
| コンパイル時間 | 1,401 ms | 
| コンパイル使用メモリ | 160,920 KB | 
| 実行使用メモリ | 9,880 KB | 
| 最終ジャッジ日時 | 2024-12-14 15:50:18 | 
| 合計ジャッジ時間 | 6,247 ms | 
| ジャッジサーバーID (参考情報) | judge5 / judge2 | 
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| ファイルパターン | 結果 | 
|---|---|
| other | AC * 47 | 
ソースコード
#include <bits/stdc++.h>
#define ADD(a, b) a = (a + ll(b)) % mod
#define MUL(a, b) a = (a * ll(b)) % mod
#define MAX(a, b) a = max(a, b)
#define MIN(a, b) a = min(a, b)
#define rep(i, a, b) for(int i = int(a); i < int(b); i++)
#define rer(i, a, b) for(int i = int(a) - 1; i >= int(b); i--)
#define all(a) (a).begin(), (a).end()
#define sz(v) (int)(v).size()
#define pb push_back
#define sec second
#define fst first
#define debug(fmt, ...) Debug(__LINE__, ":", fmt, ##__VA_ARGS__)
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int, int> pi;
typedef pair<ll, ll> pl;
typedef pair<int, pi> ppi;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<vl> mat;
typedef complex<double> comp;
void Debug() {cerr << '\n'; }
template<class FIRST, class... REST>void Debug(FIRST arg, REST... rest){
	cerr<<arg<<" ";Debug(rest...);}
template<class T>ostream& operator<<(ostream& out,const vector<T>& v) {
	out<<"[";if(!v.empty()){rep(i,0,sz(v)-1)out<<v[i]<<", ";out<<v.back();}out<<"]";return out;}
template<class S, class T>ostream& operator<<(ostream& out,const pair<S, T>& v){
	out<<"("<<v.first<<", "<<v.second<<")";return out;}
const int MAX_N = 500010;
const int MAX_V = 100010;
const double eps = 1e-6;
const ll mod = 1000000007;
const int inf = (1 << 30) - 1;
const ll linf = 1LL << 60;
const double PI = 3.14159265358979323846;
mt19937 rng; //use it by rng() % mod, shuffle(all(vec), rng)
///////////////////////////////////////////////////////////////////////////////////////////////////
int N;
ll A[MAX_N];
ll S[MAX_N];
int top_bit(int a) {
	int tmp = 0;
	while(a) {
		a /= 2;
		tmp++;
	}
	return tmp;
}
ll gcd(int a, int b) {
	// debug(a, b);
	if(b == 0) return a;
	else {
		if(a < b) return gcd(b, a);
		else {
			int c = top_bit(a);
			int d = top_bit(b);
			return gcd(a ^ (b << (c - d)), b);
		}
	}
}
void solve() {
	cin >> N;
	int g = 0;
	rep(i, 0, N) {
		cin >> A[i];
		int n = A[i];
		g = gcd(g, n);
		for(int j = 1; j * j <= n; j++) {
			if(n % j == 0) {
				if(j * j == n) S[j] += n;
				else {
					S[j] += n;
					S[n / j] += n;
				}
			}
		}
	}
	ll sum = accumulate(A, A + N, 0ll);
	ll res = linf;
	rep(i, 0, N) {
		MIN(res, (sum - S[A[i]]) + S[A[i]] / A[i]);
	}
	int c = top_bit(g);
	for(int bit = 1; bit < (1 << (18 - c)); bit++) {
		int tmp = g;
		int d = 0;
		rep(i, 0, 18 - c) {
			if(bit & (1 << i)) d ^= tmp;
			tmp *= 2;
		}
		if(d <= 100000) {
			MIN(res, (sum - S[d]) + S[d] / d);
		}
	}
	cout << res << "\n";
}
uint32_t rd() {
	uint32_t res;
#ifdef __MINGW32__
	asm volatile("rdrand %0" :"=a"(res) ::"cc");
#else
	res = std::random_device()();
#endif
	return res;
}
int main() {
#ifndef LOCAL
	ios::sync_with_stdio(false);
    cin.tie(0);
#endif
    cout << fixed;
	cout.precision(20);
    cerr << fixed;
	cerr.precision(6);
	rng.seed(rd());
#ifdef LOCAL
	//freopen("in.txt", "wt", stdout); //for tester
	if(!freopen("in.txt", "rt", stdin)) return 1;
#endif	
	solve();
    cerr << "Time: " << 1.0 * clock() / CLOCKS_PER_SEC << " s.\n";
	return 0;
}
            
            
            
        