結果

問題 No.3170 [Cherry 7th Tune KY] Even if you could say "See you ..."
コンテスト
ユーザー hint908
提出日時 2025-05-30 22:56:38
言語 C++17
(gcc 15.2.0 + boost 1.90.0)
コンパイル:
g++-15 -O2 -lm -std=c++17 -Wuninitialized -DONLINE_JUDGE -o a.out _filename_
実行:
./a.out
結果
CE  
(最新)
AC  
(最初)
実行時間 -
コード長 5,848 bytes
記録
記録タグの例:
初AC ショートコード 純ショートコード 純主流ショートコード 最速実行時間
コンパイル時間 1,117 ms
コンパイル使用メモリ 209,240 KB
最終ジャッジ日時 2026-07-11 07:30:54
合計ジャッジ時間 1,920 ms
ジャッジサーバーID
(参考情報)
judge1_0 / judge3_0
このコードへのチャレンジ
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コンパイルエラー時のメッセージ・ソースコードは、提出者また管理者しか表示できないようにしております。(リジャッジ後のコンパイルエラーは公開されます)
ただし、clay言語の場合は開発者のデバッグのため、公開されます。

コンパイルメッセージ
In file included from /home/linuxbrew/.linuxbrew/Cellar/gcc@15/15.3.0/include/c++/15/bits/unordered_map.h:33,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@15/15.3.0/include/c++/15/unordered_map:43,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@15/15.3.0/include/c++/15/functional:65,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@15/15.3.0/include/c++/15/x86_64-pc-linux-gnu/bits/stdc++.h:55,
                 from main.cpp:6:
/home/linuxbrew/.linuxbrew/Cellar/gcc@15/15.3.0/include/c++/15/bits/hashtable.h: In instantiation of 'class std::_Hashtable<__int128, std::pair<const __int128, int>, std::allocator<std::pair<const __int128, int> >, std::__detail::_Select1st, std::equal_to<__int128>, std::hash<__int128>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >':
/home/linuxbrew/.linuxbrew/Cellar/gcc@15/15.3.0/include/c++/15/bits/unordered_map.h:115:18:   required from 'class std::unordered_map<__int128, int>'
  115 |       _Hashtable _M_h;
      |                  ^~~~
main.cpp:158:34:   required from here
  158 |     unordered_map<__int128, int> memo;
      |                                  ^~~~
/home/linuxbrew/.linuxbrew/Cellar/gcc@15/15.3.0/include/c++/15/bits/hashtable.h:210:51: error: static assertion failed: hash function must be copy constructible
  210 |       static_assert(is_copy_constructible<_Hash>::value,
      |                                                   ^~~~~
/home/linuxbrew/.linuxbrew/Cellar/gcc@15/15.3.0/include/c++/15/bits/hashtable.h:210:51: note: 'std::integral_constant<bool, false>::value' evaluates to false
main.cpp: In function 'void solve()':
main.cpp:158:34: error: use of deleted function 'std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map() [with _Key = __int128; _Tp = int; _Hash = std::hash<__int128>; _Pred = std::equal_to<__int128>; _Alloc = std::allocator<std::pair<c

ソースコード

diff #
raw source code

// #pragma GCC target("avx2")
// #pragma GCC optimize("O3")
// #pragma GCC optimize("unroll-loops")


#include<bits/stdc++.h>
using namespace std;
using uint = unsigned int;
using ll = long long;
using ull = unsigned long long;
using ld = long double;
template<class T> using V = vector<T>;
template<class T> using VV = V<V<T>>;
template<class T> using VVV = V<VV<T>>;
template<class T> using VVVV = VV<VV<T>>;
#define rep(i,n) for(ll i=0ll;(i)<(n);(i)++)
#define REP(i,a,n) for(ll i=(a);(i)<(n);(i)++)
#define rrep(i,n) for(ll i=(n)-1;(i)>=(0ll);(i)--)
#define RREP(i,a,n) for(ll i=(n)-1;(i)>=(a);(i)--)
const long long INF = (1LL << 60);
const long long mod99 = 998244353;
const long long mod107 = 1000000007;
const long long mod = mod99;
#define eb emplace_back
#define be(v) (v).begin(),(v).end()
#define all(v) (v).begin(),(v).end()
#define foa(i,v) for(auto& (i) : (v))
#define UQ(v) sort(be(v)), (v).erase(unique(be(v)), (v).end())
#define UQ2(v,cmp) sort(be(v)), (v).erase(unique(be(v),cmp), (v).end())
#define UQ3(v,cmp) sort(be(v),cmp), (v).erase(unique(be(v)), (v).end())
#define UQ4(v,cmp,cmp2) sort(be(v), cmp), (v).erase(unique(be(v),cmp2), (v).end())
#define LB(x,v) (lower_bound(be(v),(x))-(v).begin())
#define LB2(x,v,cmp) (lower_bound(be(v),(x),(cmp))-(v).begin())
#define UB(x,v) (upper_bound(be(v),(x))-(v).begin())
#define UB2(x,v,cmp) (upper_bound(be(v),(x),(cmp))-(v).begin())
#define dout()  cout << fixed << setprecision(20)
#define randinit() srand((unsigned)time(NULL))

template<class T, class U> bool chmin(T& t, const U& u) { if (t > u){ t = u; return 1;} return 0; }
template<class T, class U> bool chmax(T& t, const U& u) { if (t < u){ t = u; return 1;} return 0; }


ll Rnd(ll L=0, ll R=mod99){return rand()%(R-L)+L;}


VV<ll> matmul(VV<ll> v, VV<ll> w, ll p=(1ll<<60)){
    ll n1 = v.size();
    ll n2 = w.size();
    ll n3 = w[0].size();
    VV<ll> ret(n1, V<ll>(n3, 0));
    rep(i, n1) rep(j,n2) rep(k,n3) (ret[i][k] += v[i][j]*w[j][k]) %= p;
    return ret;
}

VV<ll> matpow(VV<ll> v, ll k, ll p){
    if(k == 1) return v;
    ll n = v.size();
    VV<ll> ret(n, V<ll>(n, 0));
    rep(i, n) ret[i][i] = 1;
    if(k == 0) return ret;
    
    VV<ll> w = matpow(v, k/2, p);
    w = matmul(w, w, p);
    if(k%2) w = matmul(w, v, p);
    
    return w;
    
}


struct Combination{
    vector<long long> fac, inv, finv;
    long long MOD;
    Combination(long long N = 200100, long long p = 998244353) : fac(N, 1), inv(N, 1), finv(N, 1), MOD(p){
        for(long long i = 2; i < N; i++){
            fac[i] = fac[i-1] * i % MOD;
            inv[i] = MOD - inv[MOD%i] * (MOD/i) % MOD;
            finv[i] = finv[i-1] * inv[i] % MOD;
        }
    }
    long long com(long long n, long long k){
        if(n < k) return 0;
        if(n < 0 || k < 0) return 0;
        return fac[n] * finv[k] % MOD * finv[n-k] % MOD;
    }
    
    long long per(long long n, long long k){
        if(n < k) return 0;
        if(n < 0 || k < 0) return 0;
        return fac[n] * finv[n-k] % MOD;
    }
};

long long modpow(long long n, long long k, long long p = mod){
    long long a = n % p;
    long long ans = 1;
    while(k != 0) {
        if(k & 1) ans = ans * a % p;
        k /= 2;
        a = a * a % p;
    }
    
    return ans;  
}

// n^(-1) ≡ b (mod p) となる b を求める
long long modinv(long long n, long long p = mod) { 
//    if(n == 1) return 1;
//    return p - modinv(p % n) * (p / n) % p;
    return modpow(n, p - 2, p);
}

// n^k ≡ b (mod p) となる最小の k を求める
long long modlog(long long n, long long b, long long p = mod){
  
    long long sqrt_p = sqrt(p);
    unordered_map<long long , long long> n_pow;
    long long memo = 1;
    
    for(long long i = 0; i < sqrt_p; i ++){
        if(!n_pow.count(memo)) n_pow[memo] = i;
        memo = memo * n % p; 
    }
    
    memo = modinv(memo, p);
    long long ans = 0;
    while(!n_pow.count(b)){
        if(ans >= p) return -1;
        ans += sqrt_p;
        b = b * memo % p;
    }
  
    ans += n_pow[b];
    return ans % (p - 1);

}

// ax + by = gcd(a, b) を満たす (x, y) が格納される
long long ext_gcd(long long a, long long b, long long &x, long long &y){
    if(b == 0){
        x = 1;
        y = 0;
        return a;
    }
    long long d = ext_gcd(b, a%b, y, x);
    y -= a/b*x;
    return d;
}
void solve(){
    
    ll p;
    cin >> p;
    
    VV<ll> a(2, V<ll>(2)), b(2, V<ll>(2));
    rep(i,2) rep(j,2) cin >> a[i][j];
    rep(i,2) rep(j,2) cin >> b[i][j];
    VV<ll> c = {{1, 0}, {0, 1}};
    unordered_map<__int128, int> memo;
    ll A = p+10;
    rep(i, A){
        if(c == b){
            cout << i << endl;
            return;
        }
        __int128 q = 0;
        rep(x,2) rep(y,2){
            q = q*p + c[x][y];
        }
        // cout << i << " " << (long long)(q/1000000000000000000) << " " << (long long)(q%(1000000000000000000)) << endl;
        if(!memo.count(q))memo[q] = i;
        c = matmul(c, a, p);
    }
    if((a[0][0]*a[1][1] - a[0][1]*a[1][0])%p==0){
        cout << -1 << endl;
        return;
    }
    ll ans = INF;
    ll x = modinv((c[0][0]*c[1][1] - c[0][1]*c[1][0])%p+p, p);
    VV<ll> inv = {{c[1][1], -c[0][1]},{-c[1][0], c[0][0]}};
    rep(i,2) rep(j,2){
        inv[i][j] *= x;
        inv[i][j] %= p;
        inv[i][j] += p;
        inv[i][j] %= p;
    }
    ll xx = 0;
    rep(i, p+10){
        __int128 q = 0;
        rep(x, 2) rep(y,2){
            q = q*p + b[x][y];
        }
        // cerr << i << " " << (long long)(q/1000000000000000000) << " " << (long long)(q%(1000000000000000000)) << endl;
        if(memo.count(q)) chmin(ans, memo[q]+i*A);
        b = matmul(b, inv, p);
    }
    if(ans == INF) ans = -1;
    cout << ans << endl;
}





int main(){
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    int t=1;
    cin >> t;
    rep(i,t) solve();
}
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