結果
問題 | No.261 ぐるぐるぐるぐる!あみだくじ! |
ユーザー | pekempey |
提出日時 | 2015-11-12 21:43:54 |
言語 | C++11 (gcc 11.4.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,517 bytes |
コンパイル時間 | 1,504 ms |
コンパイル使用メモリ | 173,448 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-09-13 14:31:55 |
合計ジャッジ時間 | 2,952 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
(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
6,940 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 3 ms
6,944 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,944 KB |
testcase_07 | WA | - |
testcase_08 | AC | 2 ms
6,940 KB |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | AC | 2 ms
6,940 KB |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | WA | - |
testcase_29 | WA | - |
testcase_30 | WA | - |
testcase_31 | WA | - |
testcase_32 | WA | - |
testcase_33 | WA | - |
testcase_34 | WA | - |
testcase_35 | WA | - |
testcase_36 | WA | - |
testcase_37 | WA | - |
testcase_38 | WA | - |
testcase_39 | WA | - |
ソースコード
#include <bits/stdc++.h> #define GET_MACRO(a, b, c, NAME, ...) NAME #define rep(...) GET_MACRO(__VA_ARGS__, rep3, rep2)(__VA_ARGS__) #define rep2(i, a) rep3 (i, 0, a) #define rep3(i, a, b) for (int i = (a); i < (b); i++) #define repr(...) GET_MACRO(__VA_ARGS__, repr3, repr2)(__VA_ARGS__) #define repr2(i, a) repr3 (i, 0, a) #define repr3(i, a, b) for (int i = (b) - 1; i >= (a); i--) #define chmin(a, b) ((b) < a && (a = (b), true)) #define chmax(a, b) (a < (b) && (a = (b), true)) using namespace std; typedef long long ll; template<class T> ostream &operator <<(ostream &os, const vector<T> &v) { rep (i, v.size()) { if (i) os << " "; os << v[i]; } return os; } ll modulo(ll a, ll mod) { a %= mod; a += mod; a %= mod; return a; } ll modpow(ll a, ll b, ll mod) { ll res = 1; while (b) { if (b & 1) (res *= a) %= mod; (a *= a) %= mod; b /= 2; } return res; } ll modinv(ll a, ll mod) { return modpow(a, mod - 2, mod); } ll garner(vector<pair<ll, ll>> eq, ll mod) { eq.emplace_back(0, mod); int n = eq.size(); vector<ll> coef(n, 1), sum(n, 0); rep (i, n - 1) { ll v = (eq[i].first - sum[i]) * modinv(coef[i], eq[i].second) % eq[i].second; if (v < 0) v += eq[i].second; rep (j, i + 1, n) { (sum[j] += coef[j] * v) %= eq[j].second; (coef[j] *= eq[i].second) %= eq[j].second; } } return sum.back(); } int main() { int N, K; cin >> N >> K; vector<int> s(N); rep (i, N) s[i] = i; rep (i, K) { int X, Y; cin >> X >> Y; X--; Y--; swap(s[X], s[Y]); } vector<int> id(N, -1), index(N, -1); vector<vector<int>> orbit(N); rep (i, N) if (id[i] == -1) { int curr = i; int j = 0; while (id[curr] == -1) { id[curr] = i; index[curr] = j; orbit[i].push_back(curr); curr = s[curr]; j++; } } int Q; cin >> Q; rep (i_, Q) { vector<int> A(N); rep (i, N) { cin >> A[i]; A[i]--; } bool bad = false; vector<int> dist(N, -1); rep (i, N) { if (id[i] != id[A[i]]) bad = true; else { int d = modulo(index[A[i]] - index[i], orbit[id[i]].size()); if (dist[id[i]] == -1) { dist[id[i]] = modulo(d, orbit[id[i]].size()); } else { if (dist[id[i]] != d) bad = true; } } } if (bad) { cout << -1 << endl; continue; } vector<pair<ll, ll>> eq; ll prod = 1; rep (i, N) if (dist[i] != -1) { eq.emplace_back(dist[i], orbit[id[i]].size()); prod *= orbit[id[i]].size(); } const ll mod = 1e18; ll ans = garner(eq, mod); if (ans == 0) ans += prod; cout << ans << endl; } return 0; }