import java.io.IOException; import java.io.InputStream; import java.util.ArrayList; import java.util.Collections; import java.util.Comparator; import java.util.HashMap; import java.util.HashSet; import java.util.LinkedList; import java.util.List; /** * * @author Marcin Lewandowski */ public class par { public static void main(String[] args) throws IOException { int t = readInt(System.in); rounds: for (int round = 0; round < t; round++) { int n = readInt(System.in); Car[] cars = new Car[n]; int w = readInt(System.in); HashMap<Long, List<Car>> pathsPerXPositions = new HashMap<Long, List<Car>>(); for (int i = 0; i < n; i++) { Car car = new Car(i); int x1 = readInt(System.in); int y1 = readInt(System.in); int x2 = readInt(System.in); int y2 = readInt(System.in); Point s1 = new Point(Math.min(x1, x2), Math.min(y1, y2)); Point s2 = new Point(Math.max(x1, x2), Math.max(y1, y2)); car.s1 = s1; car.s2 = s2; cars[i] = car; } for (int i = 0; i < n; i++) { int x1 = readInt(System.in); int y1 = readInt(System.in); int x2 = readInt(System.in); int y2 = readInt(System.in); Point d1 = new Point(Math.min(x1, x2), Math.min(y1, y2)); Point d2 = new Point(Math.max(x1, x2), Math.max(y1, y2)); cars[i].d1 = d1; cars[i].d2 = d2; } for (Car car : cars) { long diection = car.d1.x - car.s1.x; Path path = null; if (diection == 0) { path = new Path(car.d1.x, car.d2.x, 0); } else if (diection > 0) { path = new Path(car.s1.x, car.d2.x, 1); } else { path = new Path(car.d1.x, car.s2.x, -1); } car.path = path; for (long i = car.path.start; i <= car.path.end; i++) { List<Car> listOfCars = pathsPerXPositions.get(i); if (listOfCars == null) { listOfCars = new ArrayList<Car>(); pathsPerXPositions.put(i, listOfCars); } listOfCars.add(car); } } HashSet<Car> toCheck = new HashSet<Car>(); for (Car car : cars) { toCheck.clear(); if (car.path.dir == 0) { continue; } for (long i = car.path.start; i <= car.path.end; i++) { List<Car> listOfCars = pathsPerXPositions.get(i); if (listOfCars == null) { continue; } toCheck.addAll(listOfCars); } toCheck.remove(car); for (Car other : toCheck) { if (needToPass(car.path, other.path)) { if (!car.canIPass(other, w)) { System.out.println("NIE"); continue rounds; } } } } System.out.println("TAK"); } } private static boolean needToPass(Path p1, Path p2) { if (p1.dir == 0 && p2.dir == 0) { return false; } else if (p1.dir != p2.dir) { return p1.intersects(p2); } else { return p1.contains(p2); } } private static int readInt(InputStream in) throws IOException { int result = 0; boolean isDigit = false; int c = 0; while ((c = in.read()) != -1) { if (c >= '0' && c <= '9') { isDigit = true; result = result * 10 + c - '0'; } else if (isDigit) { break; } } return result; } private static class Point { public Point(long x, int y) { this.x = x; this.y = y; } long x; int y; } private static class Path { public Path(long start, long end, int dir) { this.start = start; this.end = end; this.dir = dir; } public boolean contains(Path p) { if (touches(p)) { return false; } if (p.start >= start && p.end <= end) { return true; } return false; } public boolean intersects(Path p) { if (touches(p)) { return false; } if ((p.start >= start && p.start <= end) || ((p.end >= start && p.end <= end))) { return true; } return false; } public boolean touches(Path p) { if (start == p.end || end == p.start) { return true; } return false; } long start; long end; int dir; } private static class Car { Point s1; Point s2; Point d1; Point d2; Path path; final int id; public Car(int id) { this.id = id; } public boolean canIPass(Car c, int w) { if (c.getHeight() + getHeight() <= w) { return true; } return false; } public int getHeight() { return s2.y - s1.y; } @Override public boolean equals(Object obj) { if (obj == null) { return false; } if (getClass() != obj.getClass()) { return false; } final Car other = (Car) obj; if (this.id != other.id) { return false; } return true; } @Override public int hashCode() { int hash = 3; hash = 53 * hash + this.id; return hash; } } }
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 | import java.io.IOException; import java.io.InputStream; import java.util.ArrayList; import java.util.Collections; import java.util.Comparator; import java.util.HashMap; import java.util.HashSet; import java.util.LinkedList; import java.util.List; /** * * @author Marcin Lewandowski */ public class par { public static void main(String[] args) throws IOException { int t = readInt(System.in); rounds: for (int round = 0; round < t; round++) { int n = readInt(System.in); Car[] cars = new Car[n]; int w = readInt(System.in); HashMap<Long, List<Car>> pathsPerXPositions = new HashMap<Long, List<Car>>(); for (int i = 0; i < n; i++) { Car car = new Car(i); int x1 = readInt(System.in); int y1 = readInt(System.in); int x2 = readInt(System.in); int y2 = readInt(System.in); Point s1 = new Point(Math.min(x1, x2), Math.min(y1, y2)); Point s2 = new Point(Math.max(x1, x2), Math.max(y1, y2)); car.s1 = s1; car.s2 = s2; cars[i] = car; } for (int i = 0; i < n; i++) { int x1 = readInt(System.in); int y1 = readInt(System.in); int x2 = readInt(System.in); int y2 = readInt(System.in); Point d1 = new Point(Math.min(x1, x2), Math.min(y1, y2)); Point d2 = new Point(Math.max(x1, x2), Math.max(y1, y2)); cars[i].d1 = d1; cars[i].d2 = d2; } for (Car car : cars) { long diection = car.d1.x - car.s1.x; Path path = null; if (diection == 0) { path = new Path(car.d1.x, car.d2.x, 0); } else if (diection > 0) { path = new Path(car.s1.x, car.d2.x, 1); } else { path = new Path(car.d1.x, car.s2.x, -1); } car.path = path; for (long i = car.path.start; i <= car.path.end; i++) { List<Car> listOfCars = pathsPerXPositions.get(i); if (listOfCars == null) { listOfCars = new ArrayList<Car>(); pathsPerXPositions.put(i, listOfCars); } listOfCars.add(car); } } HashSet<Car> toCheck = new HashSet<Car>(); for (Car car : cars) { toCheck.clear(); if (car.path.dir == 0) { continue; } for (long i = car.path.start; i <= car.path.end; i++) { List<Car> listOfCars = pathsPerXPositions.get(i); if (listOfCars == null) { continue; } toCheck.addAll(listOfCars); } toCheck.remove(car); for (Car other : toCheck) { if (needToPass(car.path, other.path)) { if (!car.canIPass(other, w)) { System.out.println("NIE"); continue rounds; } } } } System.out.println("TAK"); } } private static boolean needToPass(Path p1, Path p2) { if (p1.dir == 0 && p2.dir == 0) { return false; } else if (p1.dir != p2.dir) { return p1.intersects(p2); } else { return p1.contains(p2); } } private static int readInt(InputStream in) throws IOException { int result = 0; boolean isDigit = false; int c = 0; while ((c = in.read()) != -1) { if (c >= '0' && c <= '9') { isDigit = true; result = result * 10 + c - '0'; } else if (isDigit) { break; } } return result; } private static class Point { public Point(long x, int y) { this.x = x; this.y = y; } long x; int y; } private static class Path { public Path(long start, long end, int dir) { this.start = start; this.end = end; this.dir = dir; } public boolean contains(Path p) { if (touches(p)) { return false; } if (p.start >= start && p.end <= end) { return true; } return false; } public boolean intersects(Path p) { if (touches(p)) { return false; } if ((p.start >= start && p.start <= end) || ((p.end >= start && p.end <= end))) { return true; } return false; } public boolean touches(Path p) { if (start == p.end || end == p.start) { return true; } return false; } long start; long end; int dir; } private static class Car { Point s1; Point s2; Point d1; Point d2; Path path; final int id; public Car(int id) { this.id = id; } public boolean canIPass(Car c, int w) { if (c.getHeight() + getHeight() <= w) { return true; } return false; } public int getHeight() { return s2.y - s1.y; } @Override public boolean equals(Object obj) { if (obj == null) { return false; } if (getClass() != obj.getClass()) { return false; } final Car other = (Car) obj; if (this.id != other.id) { return false; } return true; } @Override public int hashCode() { int hash = 3; hash = 53 * hash + this.id; return hash; } } } |