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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
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In swift, the example test give away the solution
Is this a bug?
This kata states
Every number in the sequence after the first index will be greater than the previous and that there will be no duplicates.The data generated in random tests does not comply with that (have duplicates and no order)
[90, 91, 92, 0, 94, 95, 96, 0, 98, 0, 0, 101, 102, 103, 104, 105, 106, 107, 108, 109, 0, 0, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 0, 123, 124, 0, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 0, 138, 139, 0, 141, 142, 143, 0, 145, 0, 147, 148, 149, 0, 151, 0, 153, 154, 0, 156, 157, 0, 159, 0, 161, 0, 0, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 0, 175, 176, 177, 0, 179, 180, 181, 182, 183, 184, 185, 0, 187, 188, 189, 190, 0, 192, 193, 194, 195, 196, 197, 198, 199, 200, 0, 202, 203, 204, 0, 206, 207, 208, 0, 210, 211, 212, 213, 214, 0, 216, 0, 218, 0, 220, 221, 222, 223, 224, 225, 0, 227, 228, 229, 230, 231, 0, 0, 234, 235, 0, 237, 238, 239, 240, 241, 0, 243, 244, 245, 0, 0, 0, 249, 250, 251, 252, 253, 254, 255, 256, 257, 0, 0, 260, 0, 262, 263, 264, 0, 0, 267, 0, 0, 270, 271, 272, 0, 0, 0, 276, 277, 278, 279, 280, 0, 282, 283, 284, 0, 286, 0, 0, 0, 290, 291, 292, 293, 0, 0, 0, 297, 0, 299, 300, 301, 302, 303, 304, 305, 0, 307, 0, 309, 310, 311, 312, 313, 314, 315, 0, 317, 0, 319, 0, 0, 322, 0, 324, 325, 0, 0, 328, 0, 0, 331, 332, 333, 334, 335, 336, 337, 338, 0, 340, 0, 342, 343, 0, 0, 346, 347, 0, 349, 0, 351, 0, 0, 354, 355, 356, 0, 0, 0, 0, 361, 362, 363, 364, 365, 366, 0, 368, 0, 0, 371, 372, 0, 374, 375, 376, 377, 378, 379, 0, 0, 382, 383, 384, 385, 386, 387, 0, 389, 0, 0, 392]This comment is hidden because it contains spoiler information about the solution
Indeed, but declaring vars in the scope it is used prevents bugs and improves readability.
In java, when you divide 2 numbers with the same type, the result has the same type that the operands have.
5 and 9 are ints, so java converts the result of 5/9 (0.5555555556) to an int using half down rounding, resulting in 0.
But, since 5.0 and 9.0 are both floats, the result is also a float by the Java rules, so it does no conversion and the result is 0.555555556.