結果
| 問題 | No.12 限定された素数 | 
| コンテスト | |
| ユーザー |  | 
| 提出日時 | 2018-06-16 09:30:01 | 
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) | 
| 結果 | 
                                AC
                                 
                             | 
| 実行時間 | 47 ms / 5,000 ms | 
| コード長 | 4,738 bytes | 
| コンパイル時間 | 1,253 ms | 
| コンパイル使用メモリ | 128,172 KB | 
| 実行使用メモリ | 12,288 KB | 
| 最終ジャッジ日時 | 2024-11-24 10:04:17 | 
| 合計ジャッジ時間 | 3,157 ms | 
| ジャッジサーバーID (参考情報) | judge5 / judge2 | 
(要ログイン)
| ファイルパターン | 結果 | 
|---|---|
| other | AC * 26 | 
ソースコード
////////////////////////////////////////
///  tu3 pro-con template            ///
////////////////////////////////////////
#include <cassert>
#include <cstdio>
#include <cstring>
#include <cmath>
#include <iostream>
#include <sstream>
#include <algorithm>
#include <numeric>
#include <functional>
#include <vector>
#include <queue>
#include <string>
#include <complex>
#include <stack>
#include <set>
#include <map>
#include <list>
#include <unordered_map>
#include <unordered_set>
#include <bitset>
#include <regex>
#include <type_traits>
#include <mutex>
using namespace std;
//// MACRO ////
#define countof(a) (sizeof(a)/sizeof(a[0]))
#define REP(i,n) for (int i = 0; i < (n); i++)
#define RREP(i,n) for (int i = (n)-1; i >= 0; i--)
#define FOR(i,s,n) for (int i = (s); i < (n); i++)
#define RFOR(i,s,n) for (int i = (n)-1; i >= (s); i--)
#define pos(c,i) c.being() + (i)
#define allof(c) c.begin(), c.end()
#define aallof(a) a, countof(a)
#define partof(c,i,n) c.begin() + (i), c.begin() + (i) + (n)
#define apartof(a,i,n) a + (i), a + (i) + (n)
#define long long long
#define EPS 1e-9
#define INF (1L << 30)
#define LINF (1LL << 60)
#define PREDICATE(t,a,exp) [&](const t & a) -> bool { return exp; }
#define COMPARISON_T(t) bool(*)(const t &, const t &)
#define COMPARISON(t,a,b,exp) [&](const t & a, const t & b) -> bool { return exp; }
#define CONVERTER(TSrc,t,TDest,exp) [&](const TSrc &t)->TDest { return exp; }
//// i/o helper ////
template <class T> struct vevector : public vector<vector<T>> { vevector(int n = 0, int m = 0, const T &initial = T()) : vector<vector<T>>(n, vector<T>(m, initial)) { } };
template <class T> struct vevevector : public vector<vevector<T>> { vevevector(int n = 0, int m = 0, int l = 0, const T &initial = T()) : vector<vevector<T>>(n, vevector<T>(m, l, initial)) { } };
template <class T> struct vevevevector : public vector<vevevector<T>> { vevevevector(int n = 0, int m = 0, int l = 0, int k = 0, const T &initial = T()) : vector<vevevector<T>>(n, vevevector<T>(m, l, k, initial)) { } };
template <class T> T read() { T t; cin >> t; return t; }
template <class T> vector<T> read(int n) { vector<T> v; v.reserve(n); REP(i, n) { v.push_back(read<T>()); } return v; }
template <class T> vevector<T> read(int n, int m) { vevector<T> v; v.reserve(n); REP(i, n) v.push_back(read<T>(m)); return v; }
template <class T> vector<T> readjag() { return read<T>(read<int>()); }
template <class T> vevector<T> readjag(int n) { vevector<T> v; REP(i, n) v.push_back(readjag<T>()); return v; }
template <class T1, class T2> inline istream & operator >> (istream & in, pair<T1, T2> &p) { in >> p.first >> p.second; return in; }
template <class T1, class T2> inline ostream & operator << (ostream &out, pair<T1, T2> &p) { out << p.first << p.second; return out; }
template <class T> inline ostream & operator << (ostream &out, const vector<T> &v)
{
	ostringstream ss;
	for (auto x : v) ss << x << ' ';
	auto s = ss.str();
	out << s.substr(0, s.length() - 1);
	return out;
}
struct _Reader { template <class T> _Reader operator ,(T &rhs) { cin >> rhs; return *this; } };
struct _Writer { bool f; _Writer() : f(false) { } template <class T> _Writer operator ,(const T &rhs) { cout << (f ? " " : "") << rhs; f = true; return *this; } };
#define READ(t,...) t __VA_ARGS__; _Reader(), __VA_ARGS__
#define WRITE(...) _Writer(), __VA_ARGS__; cout << '\n'
void solve();
int main()
{
	cin.tie(0);
	ios_base::sync_with_stdio(false);
	solve();
	return 0;
}
// エラトステネス
vector<unsigned char> isPrime;
vector<int> primes;
void initPrimes(int n)
{
	isPrime = vector<unsigned char>(n + 1, true);
	primes.reserve(max(n / 10, 10000));
	isPrime[0] = isPrime[1] = false;
	FOR(i, 2, n + 1)
	{
		if (!isPrime[i]) continue;
		primes.push_back(i);
		for (int j = i * 2; j <= n; j += i)
			isPrime[j] = false;
	}
}
inline int digitMask(int n)
{
	int x = 0;
	while (n)
	{
		x |= 1 << n % 10;
		n /= 10;
	}
	return x;
}
////////////////////
/// template end ///
////////////////////
void solve()
{
	auto A = readjag<int>();
	int mask = 0;
	for (auto x : A) { mask |= 1 << x; }
	initPrimes(5000000);
	vector<int> a;
	a.reserve(primes.size());
	REP(i, primes.size())
	{
		a.push_back(digitMask(primes[i]));
	}
	a.push_back(-1);
	int maxDiff = -1;
	REP (l, a.size())
	{
		if ((a[l] | mask) ==  mask)
		{
			int curMask = 0;
			FOR (r, l, a.size())
			{
				if ((a[r] | mask) == mask)
				{
					curMask |= a[r];
				}
				else
				{
					if (curMask == mask)
					{
						int kk = l > 0 ? primes[l - 1] + 1 : 1;
						int ll = r < primes.size() ? primes[r] - 1 : 5000000;
						if (ll - kk > maxDiff)
						{
							maxDiff = ll - kk;
						}
					}
					l = r;
					break;
				}
			}
		}
	}
	WRITE(maxDiff);
}
            
            
            
        