結果
問題 | No.2748 Strange Clock |
ユーザー | hiikunZ |
提出日時 | 2024-04-20 17:13:48 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,972 bytes |
コンパイル時間 | 3,881 ms |
コンパイル使用メモリ | 259,148 KB |
実行使用メモリ | 335,692 KB |
最終ジャッジ日時 | 2024-10-12 13:08:43 |
合計ジャッジ時間 | 22,390 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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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
5,248 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | AC | 2 ms
5,248 KB |
testcase_06 | AC | 2 ms
5,248 KB |
testcase_07 | AC | 2 ms
5,248 KB |
testcase_08 | AC | 2 ms
5,248 KB |
testcase_09 | AC | 2 ms
5,248 KB |
testcase_10 | AC | 2 ms
5,248 KB |
testcase_11 | AC | 2 ms
5,248 KB |
testcase_12 | AC | 3 ms
5,248 KB |
testcase_13 | AC | 3 ms
5,248 KB |
testcase_14 | AC | 5 ms
5,248 KB |
testcase_15 | AC | 5 ms
5,248 KB |
testcase_16 | AC | 9 ms
5,248 KB |
testcase_17 | AC | 10 ms
5,248 KB |
testcase_18 | AC | 30 ms
7,944 KB |
testcase_19 | AC | 31 ms
7,944 KB |
testcase_20 | AC | 108 ms
16,628 KB |
testcase_21 | AC | 106 ms
16,628 KB |
testcase_22 | AC | 427 ms
47,412 KB |
testcase_23 | AC | 435 ms
47,500 KB |
testcase_24 | AC | 1,503 ms
129,372 KB |
testcase_25 | AC | 1,474 ms
129,404 KB |
testcase_26 | AC | 497 ms
163,328 KB |
testcase_27 | AC | 556 ms
163,328 KB |
testcase_28 | AC | 1,367 ms
335,688 KB |
testcase_29 | AC | 1,366 ms
335,688 KB |
testcase_30 | AC | 1,533 ms
130,256 KB |
testcase_31 | AC | 1,523 ms
129,616 KB |
testcase_32 | AC | 1,474 ms
130,212 KB |
testcase_33 | AC | 500 ms
163,284 KB |
testcase_34 | WA | - |
testcase_35 | AC | 1,361 ms
335,692 KB |
testcase_36 | AC | 1,358 ms
335,688 KB |
testcase_37 | AC | 2 ms
6,820 KB |
testcase_38 | AC | 4 ms
6,820 KB |
ソースコード
#include <ext/pb_ds/assoc_container.hpp> using namespace __gnu_pbds; #pragma GCC optimize("Ofast,unroll-loops") #include <bits/stdc++.h> using namespace std; #include<atcoder/math> using namespace atcoder; using ll = long long int; using ull = unsigned long long int; using ld = long double; constexpr ll MAX = 2000000000000000000; constexpr ld PI = 3.14159265358979; constexpr ll MOD = 0;//2024948111; ld dotorad(ld K){ return PI * K / 180.0; } ld radtodo(ld K){ return K * 180.0 / PI; } mt19937 mt; void randinit(){ srand((unsigned)time(NULL));mt = mt19937(rand()); } __int128_t modinv(__int128_t A,__int128_t M){ //A*r+B*n=gcd(A,B) A %= M; if(A == 0 || __gcd(A,M) != 1){ //cout << "Error modinv(" << A << "," << M << ")" << endl; return -1; } __int128_t B = M,U = 1,V = 0; while(B){ __int128_t T = A / B; A -= T * B; swap(A,B); U -= T * V; swap(U,V); } U %= M; if(U < 0) U += M; return U; } int main(){ ll N,M; cin >> N >> M; vector<ll> pow3(60,1),pow4(60,1),pow6(60,1),pow2(60,1); for(ll i = 1;i < 60;i++){ pow2[i] = pow2[i - 1] * 2; pow3[i] = pow3[i - 1] * 3; pow4[i] = pow4[i - 1] * 4; pow6[i] = pow6[i - 1] * 6; } ll l = pow2[N * 2] * pow3[N]; __int128_t t1 = (modinv(pow3[N],pow2[N * 2]) * pow3[N]) % l; __int128_t t2 = (modinv(pow2[N * 2],pow3[N]) * pow2[N * 2]) % l; if(N >= 14){ ll ID = 0; vector<ll> memo2(pow3[N - 1],0); for(ll bb = 0;bb < pow3[N];bb += 3){ ll c = bb; ll p4 = 0,p6 = 0; for(ll i = 0;i < N;i++){ ll x = c % 3; c /= 3; p4 += x * pow4[i]; p6 += x * pow6[i]; } ll x = (bb * t2 + p4 * t1) % l; ll zurasi = p6 - x; zurasi %= pow6[N]; if(zurasi < 0) zurasi += pow6[N]; memo2[bb / 3] = (zurasi); } gp_hash_table<ll,ll> X; ll ans = 0; for(ll id = 0;id < pow3[N - 1];id++){ ll bb = 3 * id; ll z = memo2[id]; if(X.find(z) != X.end()){ ll z1 = X[z]; ll z2 = bb; if(z2 < z1) swap(z1,z2); ll d1 = z2 - z1 - 3; if(d1 >= M) ans++; ll d2 = l + z1 - z2 - 3; if(d2 >= M) ans++; X.erase(z); continue; } else{ X[z] = bb; } } for(auto [z,bb] : X){ if(M <= l - 3) ans++; } cout << ans << endl; } else{ unordered_map<ll,vector<ll>> A,B; vector<ll> Z; for(ll bb = 0;bb < pow3[N];bb++){ ll c = bb; ll p3 = 0,p4 = 0,p6 = 0; for(ll i = 0;i < N;i++){ ll x = c % 3; c /= 3; p3 += x * pow3[i]; p4 += x * pow4[i]; p6 += x * pow6[i]; } ll x = (bb * t2 + p4 * t1) % l; ll zurasi = p6 - x; zurasi %= pow6[N]; if(zurasi < 0) zurasi += pow6[N]; Z.emplace_back(zurasi); //assert(m == l); A[zurasi].emplace_back(x); A[zurasi].emplace_back(x + l); x -= M; x %= l; if(x < 0) x += l; B[zurasi].emplace_back(x); } sort(Z.begin(),Z.end()); Z.erase(unique(Z.begin(),Z.end()),Z.end()); ll ans = 0; for(ll z : Z){ vector<ll> a = A[z],b = B[z]; sort(a.begin(),a.end()); sort(b.begin(),b.end()); for(ll i = 0;i < b.size();i++){ ll x = b[i]; auto it = lower_bound(a.begin(),a.end(),x); if(*it == x + M) ans++; } } cout << ans << endl; } }