#include <cstdio> #include <iostream> #include <vector> #include <string> using namespace std; const int MAXN = 15010; const int POW = 16 * 1024; const int JMP = 120; const int LCM = 8 * 7 * 3 * 5; vector<string> cycle[MAXN]; bool horizontal[MAXN][9][9]; bool vertical[MAXN][9][9]; bool isVertical[LCM]; int segBounds[2 * POW + 1][2]; int jumpsLeft[2 * POW + 1][LCM]; int jumpsRight[2 * POW + 1][LCM]; int jumpsUp[2 * POW + 1][LCM]; int jumpsDown[2 * POW + 1][LCM]; bool getHorizontal(int x, int r) { for (int l = 2; l <= 8; l++) { if (horizontal[x][l][r % l]) return true; } return false; } bool getVertical(int y, int r) { for (int l = 2; l <= 8; l++) { if (vertical[y][l][r % l]) return true; } return false; } void buildJumps(int n, int m) { for (int r = 0; r < LCM; r++) { for (int x = 0; x < m; x++) { int rr = r; while (!getHorizontal(x, rr)) rr++; jumpsLeft[x + POW][r] = rr - r; jumpsRight[x + POW][r] = rr - r; } for (int y = 0; y < n; y++) { int rr = r; while (!getVertical(y, rr)) rr++; jumpsUp[y + POW][r] = rr - r; jumpsDown[y + POW][r] = rr - r; } } for (int i = POW - 1; i >= 1; i--) { for (int r = 0; r < LCM; r++) { int jr0 = jumpsRight[i << 1][r]; int jr1 = jumpsRight[(i << 1) + 1][(r + jr0) % LCM]; jumpsRight[i][r] = jr0 + jr1; int jl0 = jumpsLeft[(i << 1) + 1][r]; int jl1 = jumpsLeft[i << 1][(r + jl0) % LCM]; jumpsLeft[i][r] = jl0 + jl1; } } for (int i = POW - 1; i >= 1; i--) { for (int r = 0; r < LCM; r++) { int jd0 = jumpsDown[i << 1][r]; int jd1 = jumpsDown[(i << 1) + 1][(r + jd0) % LCM]; jumpsDown[i][r] = jd0 + jd1; int ju0 = jumpsUp[(i << 1) + 1][r]; int ju1 = jumpsUp[i << 1][(r + ju0) % LCM]; jumpsUp[i][r] = ju0 + ju1; } } for (int x = 0; x < POW; x++) { segBounds[x + POW][0] = x; segBounds[x + POW][1] = x + 1; } for (int x = POW - 1; x >= 1; x--) { segBounds[x][0] = segBounds[x << 1][0]; segBounds[x][1] = segBounds[(x << 1) + 1][1]; } } int queryRight(int t, int a, int b, int v) { if (a == segBounds[v][0] && b == segBounds[v][1]) { return t + jumpsRight[v][t % LCM]; } int mid = segBounds[v << 1][1]; if (b <= mid) { return queryRight(t, a, b, v << 1); } if (a >= mid) { return queryRight(t, a, b, (v << 1) + 1); } int t2 = queryRight(t, a, mid, v << 1); return queryRight(t2, mid, b, (v << 1) + 1); } int queryLeft(int t, int a, int b, int v) { if (b == segBounds[v][0] && a == segBounds[v][1]) { return t + jumpsLeft[v][t % LCM]; } int mid = segBounds[v << 1][1]; if (a <= mid) { return queryLeft(t, a, b, v << 1); } if (b >= mid) { return queryLeft(t, a, b, (v << 1) + 1); } int t2 = queryLeft(t, a, mid, (v << 1) + 1); return queryLeft(t2, mid, b, v << 1); } int queryDown(int t, int a, int b, int v) { if (a == segBounds[v][0] && b == segBounds[v][1]) { return t + jumpsDown[v][t % LCM]; } int mid = segBounds[v << 1][1]; if (b <= mid) { return queryDown(t, a, b, v << 1); } if (a >= mid) { return queryDown(t, a, b, (v << 1) + 1); } int t2 = queryDown(t, a, mid, v << 1); return queryDown(t2, mid, b, (v << 1) + 1); } int queryUp(int t, int a, int b, int v) { if (b == segBounds[v][0] && a == segBounds[v][1]) { return t + jumpsUp[v][t % LCM]; } int mid = segBounds[v << 1][1]; if (a <= mid) { return queryUp(t, a, b, v << 1); } if (b >= mid) { return queryUp(t, a, b, (v << 1) + 1); } int t2 = queryUp(t, a, mid, (v << 1) + 1); return queryUp(t2, mid, b, v << 1); } int main() { int n, m, q; cin >> n >> m >> q; for (int y = 0; y < n; y++) { cycle[y] = vector<string>(m); for (int x = 0; x < m; x++) { cin >> cycle[y][x]; int l = cycle[y][x].size(); for (int i = 0; i < l; i++) { if (cycle[y][x][i] == '1') { horizontal[x][l][i] = true; } else { vertical[y][l][i] = true; } } } } for (int r = 0; r < LCM; r++) { for (int y = 0; y < n; y++) { if (!getVertical(y, r)) { isVertical[r] = true; } } } buildJumps(n, m); while (q--) { int t, ys, xs, yt, xt; scanf("%d%d%d%d%d", &t, &ys, &xs, &yt, &xt); if (isVertical[t % LCM]) { if (ys < yt) { t = queryDown(t, ys, yt, 1); } else if (ys > yt) { t = queryUp(t, ys, yt, 1); } } else { if (xs < xt) { t = queryRight(t, xs, xt, 1); } else if (xs > xt) { t = queryLeft(t, xs, xt, 1); } } printf("%d\n", t); } }
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 | #include <cstdio> #include <iostream> #include <vector> #include <string> using namespace std; const int MAXN = 15010; const int POW = 16 * 1024; const int JMP = 120; const int LCM = 8 * 7 * 3 * 5; vector<string> cycle[MAXN]; bool horizontal[MAXN][9][9]; bool vertical[MAXN][9][9]; bool isVertical[LCM]; int segBounds[2 * POW + 1][2]; int jumpsLeft[2 * POW + 1][LCM]; int jumpsRight[2 * POW + 1][LCM]; int jumpsUp[2 * POW + 1][LCM]; int jumpsDown[2 * POW + 1][LCM]; bool getHorizontal(int x, int r) { for (int l = 2; l <= 8; l++) { if (horizontal[x][l][r % l]) return true; } return false; } bool getVertical(int y, int r) { for (int l = 2; l <= 8; l++) { if (vertical[y][l][r % l]) return true; } return false; } void buildJumps(int n, int m) { for (int r = 0; r < LCM; r++) { for (int x = 0; x < m; x++) { int rr = r; while (!getHorizontal(x, rr)) rr++; jumpsLeft[x + POW][r] = rr - r; jumpsRight[x + POW][r] = rr - r; } for (int y = 0; y < n; y++) { int rr = r; while (!getVertical(y, rr)) rr++; jumpsUp[y + POW][r] = rr - r; jumpsDown[y + POW][r] = rr - r; } } for (int i = POW - 1; i >= 1; i--) { for (int r = 0; r < LCM; r++) { int jr0 = jumpsRight[i << 1][r]; int jr1 = jumpsRight[(i << 1) + 1][(r + jr0) % LCM]; jumpsRight[i][r] = jr0 + jr1; int jl0 = jumpsLeft[(i << 1) + 1][r]; int jl1 = jumpsLeft[i << 1][(r + jl0) % LCM]; jumpsLeft[i][r] = jl0 + jl1; } } for (int i = POW - 1; i >= 1; i--) { for (int r = 0; r < LCM; r++) { int jd0 = jumpsDown[i << 1][r]; int jd1 = jumpsDown[(i << 1) + 1][(r + jd0) % LCM]; jumpsDown[i][r] = jd0 + jd1; int ju0 = jumpsUp[(i << 1) + 1][r]; int ju1 = jumpsUp[i << 1][(r + ju0) % LCM]; jumpsUp[i][r] = ju0 + ju1; } } for (int x = 0; x < POW; x++) { segBounds[x + POW][0] = x; segBounds[x + POW][1] = x + 1; } for (int x = POW - 1; x >= 1; x--) { segBounds[x][0] = segBounds[x << 1][0]; segBounds[x][1] = segBounds[(x << 1) + 1][1]; } } int queryRight(int t, int a, int b, int v) { if (a == segBounds[v][0] && b == segBounds[v][1]) { return t + jumpsRight[v][t % LCM]; } int mid = segBounds[v << 1][1]; if (b <= mid) { return queryRight(t, a, b, v << 1); } if (a >= mid) { return queryRight(t, a, b, (v << 1) + 1); } int t2 = queryRight(t, a, mid, v << 1); return queryRight(t2, mid, b, (v << 1) + 1); } int queryLeft(int t, int a, int b, int v) { if (b == segBounds[v][0] && a == segBounds[v][1]) { return t + jumpsLeft[v][t % LCM]; } int mid = segBounds[v << 1][1]; if (a <= mid) { return queryLeft(t, a, b, v << 1); } if (b >= mid) { return queryLeft(t, a, b, (v << 1) + 1); } int t2 = queryLeft(t, a, mid, (v << 1) + 1); return queryLeft(t2, mid, b, v << 1); } int queryDown(int t, int a, int b, int v) { if (a == segBounds[v][0] && b == segBounds[v][1]) { return t + jumpsDown[v][t % LCM]; } int mid = segBounds[v << 1][1]; if (b <= mid) { return queryDown(t, a, b, v << 1); } if (a >= mid) { return queryDown(t, a, b, (v << 1) + 1); } int t2 = queryDown(t, a, mid, v << 1); return queryDown(t2, mid, b, (v << 1) + 1); } int queryUp(int t, int a, int b, int v) { if (b == segBounds[v][0] && a == segBounds[v][1]) { return t + jumpsUp[v][t % LCM]; } int mid = segBounds[v << 1][1]; if (a <= mid) { return queryUp(t, a, b, v << 1); } if (b >= mid) { return queryUp(t, a, b, (v << 1) + 1); } int t2 = queryUp(t, a, mid, (v << 1) + 1); return queryUp(t2, mid, b, v << 1); } int main() { int n, m, q; cin >> n >> m >> q; for (int y = 0; y < n; y++) { cycle[y] = vector<string>(m); for (int x = 0; x < m; x++) { cin >> cycle[y][x]; int l = cycle[y][x].size(); for (int i = 0; i < l; i++) { if (cycle[y][x][i] == '1') { horizontal[x][l][i] = true; } else { vertical[y][l][i] = true; } } } } for (int r = 0; r < LCM; r++) { for (int y = 0; y < n; y++) { if (!getVertical(y, r)) { isVertical[r] = true; } } } buildJumps(n, m); while (q--) { int t, ys, xs, yt, xt; scanf("%d%d%d%d%d", &t, &ys, &xs, &yt, &xt); if (isVertical[t % LCM]) { if (ys < yt) { t = queryDown(t, ys, yt, 1); } else if (ys > yt) { t = queryUp(t, ys, yt, 1); } } else { if (xs < xt) { t = queryRight(t, xs, xt, 1); } else if (xs > xt) { t = queryLeft(t, xs, xt, 1); } } printf("%d\n", t); } } |