#include <bits/stdc++.h> using namespace std; const int N = 15'007; const int PERIOD = 840; const int Q = 1'000'007; int n[2], q; vector <string> lights[N]; bool rev_ok[2][N][PERIOD]; int pref[2][PERIOD][N]; int can_move[2][PERIOD][N]; int ans[Q]; int dist[2][N][PERIOD]; vector <tuple <int, int, int> > queries[2][N]; int canMove(int t, int p, int v) { int ret = 0; while (!rev_ok[t][v][p]) { ret++; p++; if (p == PERIOD) { p = 0; } } return ret; } void prepare(int t) { for (int p = 0; p < PERIOD; ++p) { for (int i = 1; i <= n[t]; ++i) { pref[t][p][i] = pref[t][p][i - 1] + !rev_ok[t][i][p]; } } for (int p = 0; p < PERIOD; ++p) { for (int i = 1; i <= n[t]; ++i) { can_move[t][p][i] = canMove(t, p, i); } } } void add_to_solve(int t, int p, int s, int e, int id) { int min_c = min(s, e); int max_c = max(s, e); if (pref[t][p][max_c] == pref[t][p][min_c]) { return; } if (s < e) { s++, e++; } queries[t][s].push_back({e, p, id}); } void add_to_solve(int t, int x1, int y1, int x2, int y2, int id) { add_to_solve(0, t, x1, x2, id); add_to_solve(1, t, y1, y2, id); } void solve(int t, int from, int to) { if (from >= to) { return; } int mid = (from + to) / 2; solve(t, from, mid - 1); solve(t, mid + 1, to); for (int c = 0; c < 2; ++c) { for(int i = from; i <= to; ++i) { for (int p = 0; p < PERIOD; ++p) { dist[c][i][p] = 0; } } } for (int i = mid; i < to; ++i) { for (int p = 0; p < PERIOD; ++p) { int cur_p = (p + dist[0][i][p]) % PERIOD; dist[0][i + 1][p] = dist[0][i][p] + can_move[t][cur_p][i]; cur_p = (p + can_move[t][p][i + 1]) % PERIOD; dist[1][i + 1][p] = dist[1][i][cur_p] + can_move[t][p][i + 1]; } } for (int i = mid; i > from; --i) { for (int p = 0; p < PERIOD; ++p) { int cur_p = (p + dist[1][i][p]) % PERIOD; dist[1][i - 1][p] = dist[1][i][p] + can_move[t][cur_p][i]; cur_p = (p + can_move[t][p][i - 1]) % PERIOD; dist[0][i - 1][p] = dist[0][i][cur_p] + can_move[t][p][i - 1]; } } for (int i = from; i <= mid; ++i) { for (const auto &[e, p, id]: queries[t][i]) { if (e >= mid && e <= to) { int half_p = (p + dist[0][i][p]) % PERIOD; ans[id] += dist[0][i][p] + dist[0][e][half_p]; } } } for (int i = mid; i <= to; ++i) { for (const auto &[e, p, id]: queries[t][i]) { if (e >= from && e <= mid) { int half_p = (p + dist[1][i][p]) % PERIOD; ans[id] += dist[1][i][p] + dist[1][e][half_p]; } } } } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cin >> n[0] >> n[1] >> q; lights[0].resize(n[1] + 1); for (int i = 1; i <= n[0]; ++i) { lights[i].resize(n[1] + 1); for (int j = 1; j <= n[1]; ++j) { cin >> lights[i][j]; int k = 0; for (int p = 0; p < PERIOD; ++p) { rev_ok[0][i][p] |= lights[i][j][k] == '0'; rev_ok[1][j][p] |= lights[i][j][k] == '1'; k++; if (k == (int)lights[i][j].size()) { k = 0; } } } } for (int t = 0; t < 2; ++t) { prepare(t); } for (int i = 1; i <= q; ++i) { int t, x1, y1, x2, y2; cin >> t >> x1 >> y1 >> x2 >> y2; ans[i] = t; add_to_solve(t % PERIOD, x1, y1, x2, y2, i); } for (int t = 0; t < 2; ++t) { solve(t, 0, n[t] + 1); } for (int i = 1; i <= q; ++i) { cout << ans[i] << "\n"; } return 0; }
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 | #include <bits/stdc++.h> using namespace std; const int N = 15'007; const int PERIOD = 840; const int Q = 1'000'007; int n[2], q; vector <string> lights[N]; bool rev_ok[2][N][PERIOD]; int pref[2][PERIOD][N]; int can_move[2][PERIOD][N]; int ans[Q]; int dist[2][N][PERIOD]; vector <tuple <int, int, int> > queries[2][N]; int canMove(int t, int p, int v) { int ret = 0; while (!rev_ok[t][v][p]) { ret++; p++; if (p == PERIOD) { p = 0; } } return ret; } void prepare(int t) { for (int p = 0; p < PERIOD; ++p) { for (int i = 1; i <= n[t]; ++i) { pref[t][p][i] = pref[t][p][i - 1] + !rev_ok[t][i][p]; } } for (int p = 0; p < PERIOD; ++p) { for (int i = 1; i <= n[t]; ++i) { can_move[t][p][i] = canMove(t, p, i); } } } void add_to_solve(int t, int p, int s, int e, int id) { int min_c = min(s, e); int max_c = max(s, e); if (pref[t][p][max_c] == pref[t][p][min_c]) { return; } if (s < e) { s++, e++; } queries[t][s].push_back({e, p, id}); } void add_to_solve(int t, int x1, int y1, int x2, int y2, int id) { add_to_solve(0, t, x1, x2, id); add_to_solve(1, t, y1, y2, id); } void solve(int t, int from, int to) { if (from >= to) { return; } int mid = (from + to) / 2; solve(t, from, mid - 1); solve(t, mid + 1, to); for (int c = 0; c < 2; ++c) { for(int i = from; i <= to; ++i) { for (int p = 0; p < PERIOD; ++p) { dist[c][i][p] = 0; } } } for (int i = mid; i < to; ++i) { for (int p = 0; p < PERIOD; ++p) { int cur_p = (p + dist[0][i][p]) % PERIOD; dist[0][i + 1][p] = dist[0][i][p] + can_move[t][cur_p][i]; cur_p = (p + can_move[t][p][i + 1]) % PERIOD; dist[1][i + 1][p] = dist[1][i][cur_p] + can_move[t][p][i + 1]; } } for (int i = mid; i > from; --i) { for (int p = 0; p < PERIOD; ++p) { int cur_p = (p + dist[1][i][p]) % PERIOD; dist[1][i - 1][p] = dist[1][i][p] + can_move[t][cur_p][i]; cur_p = (p + can_move[t][p][i - 1]) % PERIOD; dist[0][i - 1][p] = dist[0][i][cur_p] + can_move[t][p][i - 1]; } } for (int i = from; i <= mid; ++i) { for (const auto &[e, p, id]: queries[t][i]) { if (e >= mid && e <= to) { int half_p = (p + dist[0][i][p]) % PERIOD; ans[id] += dist[0][i][p] + dist[0][e][half_p]; } } } for (int i = mid; i <= to; ++i) { for (const auto &[e, p, id]: queries[t][i]) { if (e >= from && e <= mid) { int half_p = (p + dist[1][i][p]) % PERIOD; ans[id] += dist[1][i][p] + dist[1][e][half_p]; } } } } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cin >> n[0] >> n[1] >> q; lights[0].resize(n[1] + 1); for (int i = 1; i <= n[0]; ++i) { lights[i].resize(n[1] + 1); for (int j = 1; j <= n[1]; ++j) { cin >> lights[i][j]; int k = 0; for (int p = 0; p < PERIOD; ++p) { rev_ok[0][i][p] |= lights[i][j][k] == '0'; rev_ok[1][j][p] |= lights[i][j][k] == '1'; k++; if (k == (int)lights[i][j].size()) { k = 0; } } } } for (int t = 0; t < 2; ++t) { prepare(t); } for (int i = 1; i <= q; ++i) { int t, x1, y1, x2, y2; cin >> t >> x1 >> y1 >> x2 >> y2; ans[i] = t; add_to_solve(t % PERIOD, x1, y1, x2, y2, i); } for (int t = 0; t < 2; ++t) { solve(t, 0, n[t] + 1); } for (int i = 1; i <= q; ++i) { cout << ans[i] << "\n"; } return 0; } |