結果

問題 No.1312 Snake Eyes
ユーザー ningenMeningenMe
提出日時 2020-12-09 04:02:55
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
WA  
実行時間 -
コード長 3,715 bytes
コンパイル時間 2,488 ms
コンパイル使用メモリ 215,444 KB
実行使用メモリ 6,944 KB
最終ジャッジ日時 2024-09-19 00:58:14
合計ジャッジ時間 8,990 ms
ジャッジサーバーID
(参考情報)
judge5 / judge4
このコードへのチャレンジ
(要ログイン)

テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 2 ms
6,812 KB
testcase_01 AC 2 ms
6,944 KB
testcase_02 AC 2 ms
6,944 KB
testcase_03 AC 2 ms
6,944 KB
testcase_04 WA -
testcase_05 AC 2 ms
6,940 KB
testcase_06 AC 2 ms
6,940 KB
testcase_07 AC 3 ms
6,940 KB
testcase_08 AC 2 ms
6,940 KB
testcase_09 AC 2 ms
6,940 KB
testcase_10 AC 2 ms
6,944 KB
testcase_11 AC 2 ms
6,944 KB
testcase_12 AC 2 ms
6,944 KB
testcase_13 AC 2 ms
6,944 KB
testcase_14 AC 2 ms
6,944 KB
testcase_15 AC 3 ms
6,944 KB
testcase_16 AC 2 ms
6,940 KB
testcase_17 AC 2 ms
6,940 KB
testcase_18 AC 2 ms
6,940 KB
testcase_19 AC 2 ms
6,940 KB
testcase_20 AC 2 ms
6,940 KB
testcase_21 AC 2 ms
6,940 KB
testcase_22 AC 2 ms
6,940 KB
testcase_23 AC 2 ms
6,944 KB
testcase_24 AC 2 ms
6,940 KB
testcase_25 AC 2 ms
6,940 KB
testcase_26 AC 2 ms
6,940 KB
testcase_27 AC 2 ms
6,940 KB
testcase_28 AC 2 ms
6,940 KB
testcase_29 AC 2 ms
6,940 KB
testcase_30 AC 2 ms
6,944 KB
testcase_31 AC 3 ms
6,940 KB
testcase_32 AC 2 ms
6,944 KB
testcase_33 AC 2 ms
6,940 KB
testcase_34 AC 2 ms
6,944 KB
testcase_35 AC 3 ms
6,940 KB
testcase_36 AC 2 ms
6,944 KB
testcase_37 AC 2 ms
6,940 KB
testcase_38 AC 4 ms
6,944 KB
testcase_39 AC 8 ms
6,944 KB
testcase_40 AC 8 ms
6,944 KB
testcase_41 AC 7 ms
6,944 KB
testcase_42 AC 3 ms
6,940 KB
testcase_43 AC 7 ms
6,940 KB
testcase_44 AC 4 ms
6,940 KB
testcase_45 AC 6 ms
6,940 KB
testcase_46 AC 7 ms
6,944 KB
testcase_47 AC 5 ms
6,944 KB
testcase_48 AC 173 ms
6,940 KB
testcase_49 AC 156 ms
6,944 KB
testcase_50 AC 123 ms
6,940 KB
testcase_51 AC 64 ms
6,940 KB
testcase_52 AC 193 ms
6,940 KB
testcase_53 AC 143 ms
6,940 KB
testcase_54 AC 170 ms
6,944 KB
testcase_55 AC 81 ms
6,940 KB
testcase_56 AC 107 ms
6,940 KB
testcase_57 AC 109 ms
6,944 KB
testcase_58 AC 145 ms
6,940 KB
testcase_59 AC 55 ms
6,944 KB
testcase_60 AC 106 ms
6,944 KB
testcase_61 AC 191 ms
6,940 KB
testcase_62 AC 75 ms
6,940 KB
testcase_63 AC 3 ms
6,944 KB
testcase_64 AC 9 ms
6,944 KB
testcase_65 AC 23 ms
6,944 KB
testcase_66 AC 2 ms
6,940 KB
testcase_67 AC 2 ms
6,944 KB
testcase_68 AC 10 ms
6,940 KB
testcase_69 AC 2 ms
6,944 KB
testcase_70 AC 156 ms
6,944 KB
testcase_71 AC 93 ms
6,944 KB
testcase_72 AC 10 ms
6,944 KB
testcase_73 AC 3 ms
6,944 KB
testcase_74 AC 2 ms
6,944 KB
testcase_75 AC 3 ms
6,944 KB
testcase_76 AC 193 ms
6,944 KB
testcase_77 AC 195 ms
6,944 KB
testcase_78 AC 195 ms
6,944 KB
testcase_79 AC 145 ms
6,940 KB
testcase_80 AC 194 ms
6,940 KB
testcase_81 AC 204 ms
6,940 KB
testcase_82 AC 195 ms
6,940 KB
testcase_83 AC 193 ms
6,944 KB
testcase_84 AC 193 ms
6,940 KB
testcase_85 AC 177 ms
6,940 KB
testcase_86 AC 167 ms
6,940 KB
testcase_87 AC 96 ms
6,944 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

#include <bits/stdc++.h>
using namespace std;
using ll = long long;

#define ALL(obj) (obj).begin(),(obj).end()
template<class T> using priority_queue_reverse = priority_queue<T,vector<T>,greater<T>>;

constexpr long long MOD = 1'000'000'000LL + 7; //'
constexpr long long MOD2 = 998244353;
constexpr long long HIGHINF = (long long)1e18;
constexpr long long LOWINF = (long long)1e15;
constexpr long double PI = 3.1415926535897932384626433L;

template <class T> vector<T> multivector(size_t N,T init){return vector<T>(N,init);}
template <class... T> auto multivector(size_t N,T... t){return vector<decltype(multivector(t...))>(N,multivector(t...));}
template <class T> void corner(bool flg, T hoge) {if (flg) {cout << hoge << endl; exit(0);}}
template <class T, class U>ostream &operator<<(ostream &o, const map<T, U>&obj) {o << "{"; for (auto &x : obj) o << " {" << x.first << " : " << x.second << "}" << ","; o << " }"; return o;}
template <class T>ostream &operator<<(ostream &o, const set<T>&obj) {o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr) o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;}
template <class T>ostream &operator<<(ostream &o, const multiset<T>&obj) {o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr) o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;}
template <class T>ostream &operator<<(ostream &o, const vector<T>&obj) {o << "{"; for (int i = 0; i < (int)obj.size(); ++i)o << (i > 0 ? ", " : "") << obj[i]; o << "}"; return o;}
template <class T, class U>ostream &operator<<(ostream &o, const pair<T, U>&obj) {o << "{" << obj.first << ", " << obj.second << "}"; return o;}
void print(void) {cout << endl;}
template <class Head> void print(Head&& head) {cout << head;print();}
template <class Head, class... Tail> void print(Head&& head, Tail&&... tail) {cout << head << " ";print(forward<Tail>(tail)...);}
template <class T> void chmax(T& a, const T b){a=max(a,b);}
template <class T> void chmin(T& a, const T b){a=min(a,b);}
vector<string> split(const string &str, const char delemiter) {vector<string> res;stringstream ss(str);string buffer; while( getline(ss, buffer, delemiter) ) res.push_back(buffer); return res;}
int msb(int x) {return x?31-__builtin_clz(x):-1;}
void YN(bool flg) {cout << (flg ? "YES" : "NO") << endl;}
void Yn(bool flg) {cout << (flg ? "Yes" : "No") << endl;}
void yn(bool flg) {cout << (flg ? "yes" : "no") << endl;}

/*
 * @title NBase - N進数
 * @docs md/util/NBase.md
 */
class NBase{
public:
	inline static vector<long long> translate(long long X,long long N) {
		assert(abs(N)>1);
		vector<long long> res;
		while(1) {
			long long b = (X%abs(N)+abs(N)) % abs(N);
			res.push_back(b);
			(X -= b) /= N;
			if(X==0) break;
		}
		return res;
	}
	//Digit Sum
	inline static constexpr long long digit_sum(long long N, long long K) {
		long long sum = 0;
		for (; N > 0; N /= K) sum += N % K;
		return sum;
	}
};

//divisor O(sqrt(N))
set<long long> Divisor(long long N) {
    set<long long> ret;
    for (long long i = 1; i*i <= N; ++i) {
        if (N%i == 0) {
            ret.insert(i);
            ret.insert(N / i);
        }
    }
    return ret;
}

//verify https://atcoder.jp/contests/abc112/tasks/abc112_d

/**
 * @url 
 * @est
 */ 
int main() {
    cin.tie(0);ios::sync_with_stdio(false);
    ll N; cin >> N;
    corner(N==1,2);
    ll ans = N-1;
    for(ll p=2;p*p<=N;++p) {
        auto v = NBase::translate(N,p);
        int flg=1;
        for(int i=0;i+1<v.size();++i)if(v[i]!=v[i+1])flg=0;
        if(flg) chmin(ans,p);
    }
    auto D = Divisor(N);
    for(ll k:D) {
        ll p = N/k-1;
        if(p>0 && p>(N/p)) chmin(ans,p);
    }
    cout << ans << endl;
    return 0;
}
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