結果
問題 | No.803 Very Limited Xor Subset |
ユーザー | veqcc |
提出日時 | 2019-03-18 19:28:02 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 3 ms / 2,000 ms |
コード長 | 2,586 bytes |
コンパイル時間 | 1,011 ms |
コンパイル使用メモリ | 110,920 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-07-18 16:01:50 |
合計ジャッジ時間 | 2,350 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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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
6,940 KB |
testcase_03 | AC | 1 ms
6,940 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 1 ms
6,940 KB |
testcase_07 | AC | 1 ms
6,940 KB |
testcase_08 | AC | 1 ms
6,944 KB |
testcase_09 | AC | 2 ms
6,940 KB |
testcase_10 | AC | 2 ms
6,940 KB |
testcase_11 | AC | 2 ms
6,940 KB |
testcase_12 | AC | 1 ms
6,948 KB |
testcase_13 | AC | 1 ms
6,940 KB |
testcase_14 | AC | 2 ms
6,944 KB |
testcase_15 | AC | 2 ms
6,940 KB |
testcase_16 | AC | 2 ms
6,940 KB |
testcase_17 | AC | 3 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 | 1 ms
6,944 KB |
testcase_22 | AC | 2 ms
6,944 KB |
testcase_23 | AC | 2 ms
6,940 KB |
testcase_24 | AC | 2 ms
6,944 KB |
testcase_25 | AC | 2 ms
6,948 KB |
testcase_26 | AC | 2 ms
6,940 KB |
testcase_27 | AC | 1 ms
6,940 KB |
testcase_28 | AC | 2 ms
6,944 KB |
testcase_29 | AC | 2 ms
6,940 KB |
testcase_30 | AC | 2 ms
6,944 KB |
testcase_31 | AC | 2 ms
6,940 KB |
testcase_32 | AC | 2 ms
6,940 KB |
testcase_33 | AC | 2 ms
6,944 KB |
testcase_34 | AC | 1 ms
6,940 KB |
testcase_35 | AC | 2 ms
6,940 KB |
testcase_36 | AC | 2 ms
6,940 KB |
testcase_37 | AC | 2 ms
6,944 KB |
testcase_38 | AC | 1 ms
6,940 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 | 2 ms
6,940 KB |
testcase_43 | AC | 2 ms
6,944 KB |
testcase_44 | AC | 1 ms
6,940 KB |
testcase_45 | AC | 2 ms
6,940 KB |
testcase_46 | AC | 2 ms
6,944 KB |
ソースコード
#include <algorithm> #include <iostream> #include <iomanip> #include <cstring> #include <string> #include <vector> #include <random> #include <bitset> #include <queue> #include <cmath> #include <stack> #include <set> #include <map> typedef long long ll; using namespace std; const ll MOD = 1000000007LL; const int MAX_ROW = 600; const int MAX_COL = 600; struct BitMatrix { int n, m; bitset<MAX_COL> val[MAX_ROW]; BitMatrix(int n_ = 1, int m_ = 1) { n = n_; m = m_; } inline bitset<MAX_COL> &operator [] (int i) { return val[i]; } inline friend ostream &operator << (ostream &s, BitMatrix M) { s << "\n"; for (int i = 0; i < M.n; i++) { for (int j = 0; j < M.m; j++) s << M.val[i][j]; s << "\n"; } return s; } }; inline BitMatrix operator * (BitMatrix A, BitMatrix B) { BitMatrix R(A.n, B.m); BitMatrix tB(B.m, B.n); for (int i = 0; i < tB.n; i++) for (int j = 0; j < tB.m; j++) tB[i][j] = B[j][i]; for (int i = 0; i < R.n; i++) for (int j = 0; j < R.m; j++) R[i][j] = (A[i] & tB[j]).any(); return R; } int linear_equation(BitMatrix A, vector<int> b) { int rank = 0; for (int i = 0; i < A.n; i++) A[i][A.m] = b[i]; for (int i = 0; i < A.m; i++) { int pivot = -1; for (int j = rank; j < A.n; j++) if (A[j][i]) { pivot = j; break; } if (pivot != -1) { swap(A[pivot], A[rank]); for (int j = 0; j < A.n; j++) if (j != rank && A[j][i]) A[j] ^= A[rank]; rank++; } } for (int i = rank; i < A.n; i++) if (A[i][A.m]) return -1; return rank; } ll modpow(ll a, ll n, ll mod) { ll res = 1; while (n) { if (n & 1) res = res * a % mod; a = a * a % mod; n >>= 1; } return res; } const int digit = 35; int main() { cin.sync_with_stdio(false); cin.tie(0); int n, m; ll x; cin >> n >> m >> x; vector <ll> a(n); for (int i = 0; i < n; i++) cin >> a[i]; BitMatrix A(digit + m, n); vector <int> b(digit + m); for (int d = 0; d < digit; d++) { for (int i = 0; i < n; i++) { if (a[i] & (1 << d)) A[d][i] = 1; } if (x & (1 << d)) b[d] = 1; } for (int d = 0; d < m; d++) { int type, l, r; cin >> type >> l >> r; l--; r--; for (int i = l; i <= r; i++) A[d + digit][i] = 1; b[d + digit] = type; } int rank = linear_equation(A, b); if (rank == -1) cout << 0 << "\n"; else cout << modpow(2LL, n - rank, MOD) << "\n"; return 0; }