Statistics

Problem Statement for "EqualTowers"

Problem Statement

Johnny has some number of rectangular bricks. He can put bricks on top of each other to build a tower. He wishes to build two towers of equal height out of his bricks (each tower must contain at least one brick). He also wants the towers to be as tall as possible. Note that Johnny doesn't have to use all the bricks.

You are given a int[] bricks, where each element is the height of a single brick. Return the height of the tallest towers of equal height that Johnny can build. If it's impossible to build two towers of equal height, return -1 instead.

Definition

Class:
EqualTowers
Method:
height
Parameters:
int[]
Returns:
int
Method signature:
int height(int[] bricks)
(be sure your method is public)

Constraints

  • bricks will contain between 1 and 50 elements, inclusive.
  • Each element of bricks will be between 1 and 500000, inclusive.
  • The sum of all elements of bricks will not be greater than 500000.

Examples

  1. { 2, 3, 5 }

    Returns: 5

    Johnny can build two towers of height 5. One contains a single brick of height 5, and the other contains a brick of height 2 and a brick of height 3.

  2. { 10, 9, 2 }

    Returns: -1

    There's nothing Johnny can do here.

  3. { 11, 11 }

    Returns: 11

  4. { 88242, 313, 1991, 4207, 2483, 1763, 224, 16, 582, 22943, 28632, 47682, 378, 90, 88, 43, 117, 19, 8 }

    Returns: 99901

  5. { 188242, 313, 1991, 4207, 2483, 1763, 224, 16, 582, 22943, 111653, 23787, 16820, 12415, 1270, 3032, 2293, 5221, 396, 42 }

    Returns: 199661

  6. { 162, 50, 7, 10966, 24, 8940, 3, 5788, 611, 178328, 6709, 39, 471, 1, 7537, 716, 67940, 22, 15502, 3, 29407, 3086, 6398, 27, 58706, 456, 1, 9, 19187, 77491, 1, 1346, 66}

    Returns: 250000

  7. { 950, 17716, 178, 54, 5776, 34, 183, 5176, 13398, 249, 2608, 3681, 855, 88196, 1891, 58459, 2753, 27242, 1729, 231217}

    Returns: 115564

  8. { 16, 19706, 7490, 58606, 363, 10253, 8709, 167609, 211, 48747, 38190, 10696, 3144, 187, 2425, 4411, 13443, 10008, 6, 302, 461, 10367, 2456, 6948, 1803, 782, 72642}

    Returns: 249897

  9. { 2708, 21206, 6036, 26939, 22955, 8624, 57476, 12597, 1493, 21684, 33122, 9287, 16186, 5355, 5073, 2807, 233894, 12340}

    Returns: 239409

  10. { 30722, 69, 2595, 282, 22602, 1999, 22609, 678, 22411, 66, 1, 52297, 2375, 3, 247, 4, 41, 11, 455, 792, 226, 14, 7656, 3732, 5080, 614, 902, 2, 206, 608, 995, 64482, 89, 255135}

    Returns: 122432

  11. { 571, 39, 967, 2, 9471, 10, 40, 46730, 6476, 1, 382, 1, 1, 913, 6604, 1004, 28666, 2908, 2340, 402, 38, 16, 258541, 131, 6249, 3, 7, 3061, 4, 2876, 2, 5200, 18722, 59, 104, 29, 91401, 6000, 29}

    Returns: 120729

  12. { 2077, 825, 3, 8560, 31476, 1, 6, 806, 10, 32313, 201, 10330, 10, 16, 1632, 2653, 1, 122, 17443, 154, 1799, 9557, 2054, 19372, 13, 92, 5, 259916, 98553}

    Returns: 120042

  13. { 4, 20, 2893, 50089, 5068, 1, 1654, 460, 2, 2, 4481, 1907, 10, 20321, 1904, 2031, 288665, 2455, 31027, 190, 541, 811, 8903, 15, 1675, 51, 15505, 8, 5, 58594, 11, 383, 172, 142}

    Returns: 105667

  14. { 347, 65, 2643, 35, 83, 149, 3016, 3190, 524, 2185, 92345, 914, 3, 51, 8721, 1, 9034, 2295, 1460, 7942, 2, 21, 14806, 496, 78456, 3, 2, 65, 8, 261, 658, 486, 609, 439, 21795, 86, 55, 14546, 3183, 359, 8604, 145, 66987, 75, 490, 5, 4, 862, 245, 151232}

    Returns: 249994

  15. { 90000, 60000, 60001, 60000, 60001 }

    Returns: 120001

  16. { 285094, 56875, 5213, 8, 1299, 26306, 66, 3, 5896, 64198, 5, 6566, 3607, 35267, 7174, 52, 2, 2369}

    Returns: 107453

  17. { 27, 260, 98825, 25182, 153, 2653, 70154, 13, 892, 1142, 51590, 2018, 144, 501, 246446}

    Returns: 249870

  18. { 13681, 207, 4, 1, 4638, 54124, 11839, 234098, 88168, 17491, 4770, 2107, 23436, 35, 45399, 2}

    Returns: 115313

  19. { 77524, 8, 2989, 22, 479, 16057, 2574, 16, 2911, 93155, 121978, 169575, 35, 6426, 1367, 899, 3985}

    Returns: 248488

  20. { 63656, 3876, 25655, 12906, 62938, 7538, 23445, 215389}

    Returns: 100007

  21. { 400, 421, 58236, 39488, 3772, 44124, 846, 61, 12041, 485, 114, 5622, 174381, 4682, 48880, 23787, 22, 8443, 1196, 25658, 41739, 7, 8, 5530, 10}

    Returns: 249973

  22. { 3665, 45365, 2230, 45520, 60396, 3769, 27691, 5571, 210317, 1688, 25329, 32007, 27083, 5425}

    Returns: 123863

  23. { 5681, 93979, 40521, 41089, 3865, 6028, 5520, 268799, 7925, 14984, 10256, 1087}

    Returns: 100007

  24. { 36252, 17006, 2701, 282051, 8035, 15613, 1555, 2479, 109, 1973, 15569, 8988, 37678, 484, 39490, 26336, 1315}

    Returns: 107014

  25. { 68751, 8237, 40379, 6696, 1171, 1953, 208572, 10019, 17627, 6144, 32181, 8013, 13994, 64478, 11516}

    Returns: 226604

  26. {10000,10000,10000,10000,10000,10000,10000,10000,10000,10000,10000,10000,10000,10000,10000,10000,10000,10000,10000,10000,10000,10000,10000,10000,10000,10000,10000,10000,10000,10000,10000,10000,10000,10000,10000,10000,10000,10000,10000,10000,10000,10000,10000,10000,10000,10000,10000,10000,10000,10000}

    Returns: 250000

  27. {500000}

    Returns: -1

  28. { 14, 3, 20, 15, 15, 14, 24, 23, 15 }

    Returns: 64

  29. {34, 77, 34, 87, 13, 8, 123, 56, 8, 65468, 345, 7684, 135, 498, 654, 687, 14, 9875, 6871, 451, 679, 5435, 984, 654, 984, 984, 287, 105, 430, 3455, 245, 779, 2456, 678, 5633, 161, 186, 343, 87, 23, 98, 34 }

    Returns: 26187

  30. {2, 3, 5 }

    Returns: 5

  31. {384, 387, 278, 416, 294, 336, 387, 493, 150, 422, 363, 28, 191, 60, 264, 427, 41, 427, 173, 237, 212, 369, 68, 430, 283, 31, 363, 124, 68, 136, 430, 303, 23, 59, 70, 168, 394, 457, 12, 43, 230, 374, 422, 420, 285, 38, 199, 325, 316, 371 }

    Returns: 6379

  32. {592, 1, 7129, 1646, 2125, 8696, 2750, 4168, 3686, 9436, 331, 5798, 3723, 2095, 3083, 4842, 2, 6813, 5917, 2052, 3, 4114, 8137, 2187, 4065, 7106, 5639, 9820, 8208, 2426, 9788, 8482, 3498, 8278, 2551, 3847, 7984, 4005, 3963, 8170, 6949, 6138, 4285, 7938, 6149, 7076, 9697, 9170, 5766, 256 }

    Returns: 125290

  33. {14, 3, 20, 15, 15, 14, 24, 23, 15, 243 }

    Returns: 64

  34. {307, 128, 115, 736, 896, 216, 966, 446, 151, 421, 671, 2, 528, 823, 76, 619, 193, 709, 582, 332, 692, 38, 200, 724, 274, 61, 23, 621, 178, 167, 381, 582, 164, 123, 809, 412, 965, 577, 239, 193, 505, 108, 39, 868, 637, 231, 746, 649, 932, 690 }

    Returns: 10861

  35. {14, 3, 20, 15, 15, 14, 24, 23, 15 }

    Returns: 64

  36. {250000, 72500, 1000, 10000, 2340, 324, 356, 123, 547, 6574, 123, 234, 436, 5467, 2354, 213, 23, 34, 2, 5, 5, 667, 3, 2, 1, 1, 34, 45, 45, 675, 34, 34, 234, 234, 435, 234, 45, 45, 125000 }

    Returns: 16464

  37. {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, 33, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50 }

    Returns: 638

  38. {1, 100, 100, 200, 201, 401 }

    Returns: 501

  39. {10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000 }

    Returns: 250000

  40. {126, 890, 1432, 857, 3518, 242, 3556, 935, 1303, 643, 7504, 6321, 5814, 1919, 4493, 4853, 3527, 4047, 6785, 3835, 12602, 6022, 2473, 12606, 11850, 16334, 11609, 8705, 16540, 17635, 22378, 6207, 14040, 17799, 1387, 16818, 28793, 14682, 21062, 6553, 23399, 6784, 7866, 33971, 34677, 31638, 3543, 11847, 14532, 2977 }

    Returns: 249643

  41. {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }

    Returns: 137

  42. {586, 208, 346, 502, 302, 140, 965, 573, 679, 942, 339, 911, 988, 578, 99, 627, 339, 973, 235, 3, 27, 856, 609, 330, 979, 384, 306, 252, 300, 47, 57, 920, 137, 221, 331, 322, 779, 301, 930, 454, 4, 581, 101, 406, 148, 898, 232, 988, 286, 594 }

    Returns: 11556

  43. {14, 3, 20, 15, 15, 14, 24, 23, 15, 14 }

    Returns: 77

  44. {1, 1, 3, 240, 300, 1, 11, 1, 11, 1, 23, 121, 2346, 3324, 43562, 554, 55, 55, 100, 9, 50000, 200000, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 4, 67, 8, 6, 4, 4, 3, 2, 7, 4, 235, 3256 }

    Returns: 50994

  45. {14, 3, 20, 15, 15, 14, 24, 23, 15, 2, 2, 4, 4, 1, 3 }

    Returns: 79

  46. {123, 43243, 34, 234, 234, 234, 435, 456, 234, 234, 234, 423, 454, 5435, 34523, 545, 345, 2344, 4324, 2344, 23423, 234, 234, 2345, 345, 4554, 3234, 234, 4545, 545, 345, 324, 234, 234, 2345, 234, 5235, 235, 234, 235, 3455, 35234, 23434, 234, 234, 2345, 545, 4344, 3434, 34324 }

    Returns: 126620

  47. {10, 15, 14, 12, 11, 5, 2, 3, 20, 11, 14 }

    Returns: 57

  48. {6813, 7007, 8614, 1501, 518, 10571, 23980, 2479, 4900, 21366, 11486, 65, 6963, 12091, 6137, 13551, 18288, 18164, 2499, 2546, 18813, 15560, 13972, 20951, 6918, 4036, 7446, 23855, 9381, 14125, 1097, 4233, 19459, 2069, 6858, 5789, 11585, 6445, 6996, 714, 918, 6362, 6791, 30659, 1337, 18827, 25064, 9861, 13953, 6217 }

    Returns: 249915

  49. {4343, 432, 52, 7634, 7536, 423, 523, 63, 78, 1, 523, 6342, 63, 321, 2, 2, 32, 3253, 235, 325, 6, 6235, 325347, 72, 325, 3276, 32, 7, 3, 36, 6345, 6, 7, 2, 32, 327, 2, 563, 532 }

    Returns: 24995

  50. {111, 2323, 2341, 1235, 3245, 3245, 2345, 234, 3245, 3246, 56, 456, 567, 567, 2345, 2345, 2345, 2345, 3245, 456, 426, 567, 678, 789, 5000, 7, 435, 34634, 333, 333, 333, 3, 3, 2, 1, 435, 567, 68, 78, 3456, 456, 567, 567, 43, 34, 4256, 4356, 45, 42, 2456 }

    Returns: 48633

  51. {177, 2, 161, 3, 338, 289, 1234, 6, 1000, 23, 2234 }

    Returns: 2572

  52. {11, 11, 2 }

    Returns: 11

  53. {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 }

    Returns: 637

  54. {10000, 9999, 9998, 9997, 9996, 9995, 9994, 9993, 9992, 9991, 9990, 9989, 9988, 9987, 9986, 9985, 9984, 9983, 9982, 9981, 9980, 9979, 9978, 9977, 9976, 9975, 9974, 9973, 9972, 9971, 9970, 9969, 9968, 9967, 9966, 9965, 9964, 9963, 9962, 9961, 9960, 9959, 9958, 9957, 9956, 9955, 9954, 9953, 9952, 9951 }

    Returns: 239436

  55. {1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 3, 4, 5, 6, 7, 8 }

    Returns: 108

  56. {14, 3, 20, 15, 15, 14, 24, 23, 15, 2, 3, 13, 43, 14, 17, 33, 12, 13, 12, 1, 1, 4, 14, 21, 12, 11, 14, 33, 22, 21, 24, 21, 12, 22, 24, 31, 31, 2, 1, 3, 2, 5, 14, 16, 17, 14, 18, 13, 12, 11 }

    Returns: 376

  57. {9999, 9998, 9997, 9996, 9995, 9994, 9993, 9992, 9991, 9990, 9989, 9988, 9987, 9986, 9985, 9984, 9983, 9982, 9981, 9980, 9979, 9978, 9977, 9976, 9975, 9974, 9973, 9972, 9971, 9970, 9999, 9998, 9997, 9996, 9995, 9994, 9993, 9992, 9991, 9990, 9989, 9988, 9987, 9986, 9985, 9984, 9983, 9982, 9981, 9980 }

    Returns: 239692

  58. {100000, 100000 }

    Returns: 100000

  59. {14, 3, 20, 15, 15, 14, 24, 23, 15, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 12, 3, 4, 5, 6, 7, 834, 54, 4, 3, 4, 5, 4, 5, 6, 7, 8, 3, 4, 566, 7, 76, 5, 4, 5, 565, 4, 4, 3, 3 }

    Returns: 1209

  60. {1, 2, 5, 300, 52, 94, 21, 854, 23, 19, 43, 100, 1000, 54, 5000, 97, 81, 359, 1584, 34, 94, 22, 59, 78, 4, 6, 9, 194, 994, 26, 996, 654, 488, 124, 84, 161, 894, 210, 929, 44, 12 }

    Returns: 7902

  61. {3243, 23412, 2421, 23, 2341, 23, 234, 123, 52312, 1, 23, 2, 3, 33, 31, 2341, 2341, 214, 2 }

    Returns: 5078

  62. {10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000 }

    Returns: 160000

  63. {1, 1, 1, 1, 1, 2 }

    Returns: 3

  64. {10, 3, 2, 2, 2, 2, 2 }

    Returns: 10

  65. {1, 2, 6, 2, 876, 123, 345, 467, 23, 234, 12, 345, 567, 89, 23, 423, 435, 67, 783, 674, 234, 645, 234, 56, 657, 879, 9, 526, 324, 999, 998, 997, 996, 995, 994, 993, 992, 991, 990, 989, 988, 987 }

    Returns: 10985

  66. {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 1000, 1000, 1000, 443, 32432, 2323, 32432, 232, 32432, 32423, 23432, 12, 2144, 343, 5454, 23, 5454, 213123, 5454, 3432, 5423, 12, 24324, 23432, 123, 2123, 123, 12321, 43, 121, 324, 12, 213, 123, 12312, 43, 123, 24, 123, 123 }

    Returns: 238054

  67. {100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100 }

    Returns: 2500

  68. {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 }

    Returns: 25

  69. {150, 151, 151, 152, 150, 49, 12000, 20001, 18000, 1, 5, 19231, 23133, 1212, 1331, 9817, 150, 151, 151, 152, 150, 49, 12000, 20001, 18000, 1, 5, 19231, 23133, 1212, 1331, 9817, 19231, 23133, 9999, 18191, 18919, 19231, 23133, 1212, 1331, 9817, 19231, 23133, 9999, 18191, 18919 }

    Returns: 222369

  70. {12, 254, 654, 31, 97, 89, 54, 65, 32, 25, 24, 26, 27, 29, 24, 32, 32, 31, 14, 14, 1, 21, 25, 14, 15, 17, 16, 18, 19, 32, 30, 17, 15, 65, 57, 58, 54, 53, 52, 51, 56, 45, 78, 87, 65, 41, 12, 32, 10 }

    Returns: 1311

  71. {1, 6, 6 }

    Returns: 6

  72. {3, 23, 43, 54, 65, 3434, 24, 666, 566, 100, 143, 765, 23, 887, 34, 8977, 455, 233, 55, 49, 353, 6442, 5575, 343, 233, 986, 40, 7, 2, 9, 6, 773, 545, 275, 9234, 3474, 23444, 234, 274, 23, 66, 247, 13, 86, 12, 7654, 23, 24, 4 }

    Returns: 38500

  73. {1, 1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 1011, 1012, 1013, 1014, 1015, 1016, 1017, 1018, 1019, 1020, 1021, 1022, 1023, 1024, 1025, 1026, 1027, 1028, 1029, 1030, 1031, 1032, 1033, 1034, 1035, 1036, 1037, 1038, 1039, 104 }

    Returns: 20442

  74. {10000, 10000, 10000 }

    Returns: 10000

  75. {48899, 48901, 5, 5 }

    Returns: 5

  76. {1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536, 131072, 41, 2467, 2334, 2500, 3169, 3724, 3478, 1358, 2962, 464, 1705, 145, 3281, 827, 1961, 491, 2995, 3942, 827, 1436, 391, 2604, 3902, 153, 292, 382, 1421, 2716, 3718, 3895, 1447, 64990 }

    Returns: 194080

  77. {14, 3, 20, 15, 15, 14, 24, 23, 15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 }

    Returns: 106

  78. {5, 5, 1, 2 }

    Returns: 5

  79. {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, 282, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47 }

    Returns: 691

  80. {10000, 10000, 10000, 10000, 10000, 10001, 9999, 9999, 10001, 20001, 1, 200, 4000, 10, 13, 13, 26, 200, 2020, 222, 45, 234, 90, 89, 78, 67, 56, 45, 34, 34, 34, 34, 34, 34, 3434, 344, 434, 1123, 112, 112, 123, 111, 121, 111, 111, 200, 200, 19 }

    Returns: 62084

  81. {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 1, 1, 1, 1 }

    Returns: 107

  82. {213, 32, 43, 555, 34, 2342, 243234, 23, 55, 15, 15, 15, 15, 23, 43 }

    Returns: 247

  83. {10, 9, 2, 3, 4, 2, 3, 4, 5, 6, 8, 9, 12, 10, 12, 2, 4, 6, 8, 2, 10, 13, 3, 6, 7, 4, 9, 7 }

    Returns: 90

  84. {250000, 249999 }

    Returns: -1

  85. {2, 3, 5, 17, 105, 106, 2, 195, 11, 82, 103, 18, 107, 105, 8, 9, 11, 196, 19, 80, 105, 19, 1, 20, 20, 40, 15, 15, 31, 16, 15 }

    Returns: 740

  86. {499999, 1 }

    Returns: -1

  87. {9876, 987, 6464, 405, 8765, 93234 }

    Returns: -1

  88. {10, 9, 2, 2, 3, 4, 5, 7, 8, 9, 12, 10, 13, 4, 5, 7, 6, 9, 10, 11, 2, 3, 6, 7 }

    Returns: 82

  89. {12000, 64444, 1222, 56, 66, 301, 1005, 100000, 15444, 9688, 987, 9888, 1022, 989, 20111, 50154, 12445, 454, 877, 657, 7788, 789, 12, 699, 887, 977, 548, 1, 544, 44133, 654, 68, 879, 669, 451, 3357, 687, 1123, 12, 51, 13, 25, 687, 665, 48, 889, 11202, 21547, 10010 }

    Returns: 205612

  90. {12, 3, 3 }

    Returns: 3

  91. {1, 2, 2, 1, 1, 3, 2, 3, 2, 2, 1, 1, 2, 3, 3, 3, 2, 1, 2, 3, 4, 3, 2, 3, 3, 2, 2, 3, 3, 3, 2, 2, 2, 3, 3, 3, 3, 2, 2, 2, 1, 2, 2, 3, 3, 3, 3, 3, 1, 1 }

    Returns: 57

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