結果
問題 | No.308 素数は通れません |
ユーザー | moti |
提出日時 | 2015-12-09 20:04:05 |
言語 | C++11 (gcc 11.4.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 5,041 bytes |
コンパイル時間 | 1,058 ms |
コンパイル使用メモリ | 117,952 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-09-15 05:58:17 |
合計ジャッジ時間 | 3,457 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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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
6,940 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 1 ms
6,944 KB |
testcase_05 | AC | 2 ms
6,944 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 2 ms
6,944 KB |
testcase_08 | AC | 1 ms
6,940 KB |
testcase_09 | AC | 1 ms
6,940 KB |
testcase_10 | AC | 2 ms
6,940 KB |
testcase_11 | AC | 1 ms
6,940 KB |
testcase_12 | AC | 2 ms
6,944 KB |
testcase_13 | AC | 2 ms
6,944 KB |
testcase_14 | AC | 2 ms
6,940 KB |
testcase_15 | AC | 2 ms
6,940 KB |
testcase_16 | AC | 2 ms
6,940 KB |
testcase_17 | AC | 2 ms
6,944 KB |
testcase_18 | AC | 2 ms
6,940 KB |
testcase_19 | AC | 1 ms
6,944 KB |
testcase_20 | AC | 2 ms
6,944 KB |
testcase_21 | AC | 2 ms
6,940 KB |
testcase_22 | AC | 2 ms
6,944 KB |
testcase_23 | AC | 1 ms
6,940 KB |
testcase_24 | AC | 2 ms
6,940 KB |
testcase_25 | AC | 2 ms
6,944 KB |
testcase_26 | AC | 1 ms
6,940 KB |
testcase_27 | AC | 2 ms
6,940 KB |
testcase_28 | AC | 1 ms
6,944 KB |
testcase_29 | AC | 1 ms
6,940 KB |
testcase_30 | AC | 1 ms
6,940 KB |
testcase_31 | AC | 2 ms
6,940 KB |
testcase_32 | AC | 1 ms
6,940 KB |
testcase_33 | AC | 2 ms
6,940 KB |
testcase_34 | AC | 2 ms
6,944 KB |
testcase_35 | AC | 1 ms
6,940 KB |
testcase_36 | AC | 1 ms
6,940 KB |
testcase_37 | AC | 2 ms
6,940 KB |
testcase_38 | AC | 2 ms
6,944 KB |
testcase_39 | AC | 1 ms
6,940 KB |
testcase_40 | AC | 2 ms
6,940 KB |
testcase_41 | AC | 2 ms
6,940 KB |
testcase_42 | AC | 1 ms
6,944 KB |
testcase_43 | AC | 2 ms
6,940 KB |
testcase_44 | AC | 1 ms
6,940 KB |
testcase_45 | AC | 2 ms
6,944 KB |
testcase_46 | AC | 2 ms
6,940 KB |
testcase_47 | AC | 2 ms
6,944 KB |
testcase_48 | AC | 2 ms
6,944 KB |
testcase_49 | AC | 2 ms
6,944 KB |
testcase_50 | AC | 2 ms
6,940 KB |
testcase_51 | AC | 2 ms
6,940 KB |
testcase_52 | AC | 2 ms
6,940 KB |
testcase_53 | AC | 1 ms
6,944 KB |
testcase_54 | AC | 1 ms
6,940 KB |
testcase_55 | AC | 2 ms
6,940 KB |
testcase_56 | AC | 2 ms
6,940 KB |
testcase_57 | AC | 2 ms
6,944 KB |
testcase_58 | AC | 2 ms
6,940 KB |
testcase_59 | AC | 2 ms
6,940 KB |
testcase_60 | AC | 2 ms
6,944 KB |
testcase_61 | AC | 2 ms
6,944 KB |
testcase_62 | AC | 2 ms
6,944 KB |
testcase_63 | AC | 2 ms
6,940 KB |
testcase_64 | AC | 2 ms
6,940 KB |
testcase_65 | AC | 2 ms
6,940 KB |
testcase_66 | AC | 2 ms
6,944 KB |
testcase_67 | AC | 2 ms
6,940 KB |
testcase_68 | AC | 1 ms
6,940 KB |
testcase_69 | AC | 2 ms
6,944 KB |
testcase_70 | AC | 2 ms
6,940 KB |
testcase_71 | AC | 2 ms
6,944 KB |
testcase_72 | AC | 2 ms
6,940 KB |
testcase_73 | AC | 2 ms
6,940 KB |
testcase_74 | AC | 1 ms
6,940 KB |
testcase_75 | AC | 1 ms
6,944 KB |
testcase_76 | AC | 2 ms
6,940 KB |
testcase_77 | AC | 2 ms
6,940 KB |
testcase_78 | AC | 2 ms
6,940 KB |
testcase_79 | AC | 1 ms
6,944 KB |
testcase_80 | WA | - |
testcase_81 | WA | - |
testcase_82 | AC | 1 ms
6,940 KB |
testcase_83 | AC | 2 ms
6,944 KB |
testcase_84 | WA | - |
testcase_85 | AC | 2 ms
6,940 KB |
testcase_86 | WA | - |
testcase_87 | WA | - |
testcase_88 | AC | 2 ms
6,944 KB |
testcase_89 | AC | 1 ms
6,944 KB |
testcase_90 | WA | - |
testcase_91 | AC | 2 ms
6,944 KB |
testcase_92 | AC | 2 ms
6,940 KB |
testcase_93 | AC | 1 ms
6,940 KB |
testcase_94 | AC | 2 ms
6,940 KB |
testcase_95 | AC | 1 ms
6,944 KB |
testcase_96 | AC | 2 ms
6,944 KB |
testcase_97 | AC | 2 ms
6,944 KB |
testcase_98 | AC | 2 ms
6,940 KB |
testcase_99 | AC | 1 ms
6,944 KB |
testcase_100 | AC | 1 ms
6,940 KB |
testcase_101 | WA | - |
testcase_102 | AC | 2 ms
6,944 KB |
testcase_103 | AC | 1 ms
6,940 KB |
testcase_104 | AC | 2 ms
6,944 KB |
testcase_105 | AC | 2 ms
6,944 KB |
testcase_106 | AC | 2 ms
6,944 KB |
ソースコード
#include <iostream> #include <algorithm> #include <cmath> #include <vector> #include <complex> #include <queue> #include <deque> #include <set> #include <map> #include <unordered_set> #include <unordered_map> #include <iomanip> #include <assert.h> #include <array> #include <cstdio> #include <cstring> #include <random> #include <functional> #include <numeric> #include <bitset> using namespace std; #define REP(i,a,b) for(int i=a;i<(int)b;i++) #define rep(i,n) REP(i,0,n) #define all(c) (c).begin(), (c).end() #define zero(a) memset(a, 0, sizeof a) #define minus(a) memset(a, -1, sizeof a) #define minimize(a, x) a = std::min(a, x) #define maximize(a, x) a = std::max(a, x) typedef __int128_t ll; int const inf = 1<<29; namespace math { ll mulmod(ll a, ll b, ll mod) { ll x = 0, y = a % mod; while(b > 0) { if(b & 1) { x = (x + y) % mod; } y = (y * 2) % mod; b /= 2; } return x % mod; } } namespace math { ll modular_exp(ll base, ll exp, ll mod) { ll x = 1; ll y = base; while(exp > 0) { if(exp & 1) { x *= y; x %= mod; } y *= y; y %= mod; exp >>= 1; } return x % mod; } } struct xor128 { unsigned x,y,z,w; xor128(): x(89165727), y(157892372), z(7777777), w(757328) {} unsigned next() { unsigned t=x^(x<<11); x=y;y=z;z=w; return w=w^(w>>19)^t^(t>>8); } unsigned next(unsigned k) { return next()%k; } } rndgen; namespace math { namespace prime { bool miller_rabin(ll p, int iteration) { if(p < 2) { return false; } if(p != 2 && p & 1) { return false; } ll s = p - 1; while(s & 1) { s >>= 1; } rep(_, iteration) { ll a = rndgen.next(p - 1) + 1; ll temp = s; ll mod = modular_exp(a, temp, p); while(temp != p - 1 && mod != 1 && mod != p - 1) { mod = mulmod(mod, mod, p); temp <<= 1; } if(mod != p - 1 && temp & 1) { return false; } } return true; } } } set<ll> carmichael = { 561, 1105, 1729, 2465, 2821, 6601, 8911, 10585, 15841, 29341, 41041, 46657, 52633, 62745, 63973, 75361, 101101, 115921, 126217, 162401, 172081, 188461, 252601, 278545, 294409, 314821, 334153, 340561, 399001, 410041, 449065, 488881, 512461, 530881, 552721, 656601, 658801, 670033, 748657, 825265, 838201, 852841, 997633, 1024651, 1033669, 1050985, 1082809, 1152271, 1193221, 1461241, 1569457, 1615681, 1773289, 1857241, 1909001, 2100901, 2113921, 2433601, 2455921, 2508013, 2531845, 2628073, 2704801, 3057601, 3146221, 3224065, 3581761, 3664585, 3828001, 4335241, 4463641, 4767841, 4903921, 4909177, 5031181, 5049001, 5148001, 5310721, 5444489, 5481451, 5632705, 5968873, 6049681, 6054985, 6189121, 6313681, 6733693, 6840001, 6868261, 7207201, 7519441, 7995169, 8134561, 8341201, 8355841, 8719309, 8719921, 8830801, 8927101, 9439201, 9494101, 9582145, 9585541, 9613297, 9890881, 10877581, 12945745, 13992265, 16778881, 18162001, 27336673, 28787185, 31146661, 36121345, 37167361, 40280065, 41298985, 41341321, 41471521, 47006785, 67371265, 67994641, 69331969, 74165065, 321197185, 413631505, 417241045, 496050841, 509033161, 611397865, 612347905, 638959321, 672389641, 832060801, 834720601, 868234081, 945959365, 986088961, 1074363265, 1177800481, 1210178305, 1256855041, 1410833281, 1481619601, 5394826801, 6295936465, 12452890681, 13577445505, 15182481601, 20064165121, 22541365441, 24673060945, 26242929505, 26602340401, 27405110161, 28553256865, 33203881585, 38059298641, 39696166081, 40460634865 , 232250619601, 306177962545, 432207073585, 576480525985, 658567396081, 689702851201, 747941832001, 1013666981041, 1110495895201, 1111586883121, 1286317859905, 1292652236161, 1341323384401, 1471186523521, 1567214060545, 9746347772161, 11537919313921, 11985185775745, 14292786468961, 23239986511105, 24465723528961, 26491881502801, 27607174936705, 30614445878401, 30912473358481, 34830684315505, 51620128928641, }; inline ll pow(ll x, ll n, ll mod){ ll y = 1; if(n){ y = pow(x, n >> 1, mod); if (!(n & 1)) { y = (y * y) % mod; } else { y = (((y * y) % mod) * x) % mod; } } return y; } bool fermat_test(ll const& x, ll a) { if(carmichael.count(x)) { return false; } if(x == a) { return 1; } if(x < a || (x % a == 0)) { return 0; } return pow(a, x-1, x) == 1; } bool fermat_test(ll const& x) { return fermat_test(x, 2) && fermat_test(x, 3); } map<ll, int> mp = { {4,3}, {6,5}, {8,7}, {9,7}, {10,7}, {12,11}, {14,13}, {15,7}, {16,7}, {18,8}, {20,19}, {21,19}, {22,7}, {24,23}, {25,23}, }; int main() { string s; cin >> s; ll N = 0; rep(i, s.size()) { N = N * 10; N = N + (s[i] - '0'); } if(mp.find(N) != mp.end()) { cout << mp[N] << endl; exit(0); } if(N < 114514893) { if((N % 8 == 1 || fermat_test(N-1)) && fermat_test(N-8)) { cout << 14 << endl; } else { cout << 8 << endl; } } else { if((N % 8 == 1) && math::prime::miller_rabin(N-8, 100)) { cout << 14 << endl; } else { cout << 8 << endl; } } return 0; }