Day 1, not much to report.

.gitignore

@@ -0,0 +1 @@
+/target

Cargo.lock

@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "advent2021"
+version = "0.1.0"

Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "advent2021"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

src/bin/day1.rs

@@ -0,0 +1,152 @@
+const TEST_LIST: &[u64] = &[199, 200, 208, 210, 200, 207, 240, 269, 260, 263];
+const ACTUAL_LIST: &[u64] = &[
+    198, 208, 209, 212, 213, 217, 218, 223, 222, 224, 216, 233, 238, 239, 240, 250, 263, 264, 267,
+    274, 288, 316, 319, 330, 340, 347, 349, 354, 350, 349, 351, 352, 353, 371, 383, 385, 405, 413,
+    455, 451, 459, 458, 459, 461, 463, 475, 480, 486, 489, 497, 502, 512, 513, 516, 517, 528, 559,
+    560, 558, 565, 566, 567, 571, 573, 574, 582, 583, 585, 589, 597, 608, 607, 614, 619, 608, 624,
+    665, 666, 675, 695, 698, 703, 711, 733, 738, 739, 742, 743, 763, 775, 778, 804, 806, 810, 812,
+    818, 819, 828, 867, 866, 876, 878, 881, 875, 881, 858, 859, 868, 869, 860, 888, 890, 891, 893,
+    894, 919, 924, 925, 933, 937, 950, 955, 966, 984, 989, 993, 996, 997, 1015, 1031, 1035, 1039,
+    1055, 1057, 1058, 1059, 1060, 1061, 1067, 1069, 1070, 1059, 1060, 1077, 1079, 1078, 1080, 1087,
+    1088, 1090, 1097, 1082, 1102, 1105, 1106, 1120, 1125, 1130, 1132, 1154, 1141, 1135, 1131, 1133,
+    1134, 1137, 1138, 1141, 1142, 1143, 1166, 1175, 1193, 1201, 1236, 1238, 1234, 1240, 1242, 1243,
+    1271, 1276, 1277, 1272, 1286, 1288, 1290, 1292, 1317, 1341, 1361, 1363, 1375, 1376, 1377, 1383,
+    1387, 1390, 1402, 1404, 1412, 1418, 1426, 1429, 1466, 1480, 1483, 1478, 1484, 1486, 1488, 1491,
+    1486, 1489, 1492, 1517, 1520, 1523, 1539, 1546, 1551, 1521, 1517, 1518, 1522, 1525, 1526, 1539,
+    1540, 1544, 1545, 1561, 1571, 1572, 1574, 1575, 1568, 1573, 1587, 1588, 1600, 1603, 1627, 1629,
+    1633, 1645, 1670, 1671, 1685, 1690, 1696, 1698, 1703, 1698, 1699, 1702, 1714, 1716, 1709, 1738,
+    1753, 1761, 1766, 1769, 1772, 1761, 1763, 1774, 1781, 1782, 1799, 1802, 1816, 1818, 1819, 1805,
+    1810, 1817, 1819, 1831, 1834, 1835, 1852, 1855, 1858, 1859, 1856, 1857, 1868, 1885, 1891, 1893,
+    1890, 1891, 1892, 1893, 1896, 1911, 1912, 1914, 1916, 1914, 1918, 1930, 1932, 1958, 1966, 1976,
+    1982, 1985, 1986, 1987, 1992, 1997, 2031, 2041, 2042, 2044, 2058, 2060, 2075, 2073, 2084, 2087,
+    2090, 2125, 2128, 2129, 2130, 2131, 2136, 2137, 2145, 2150, 2152, 2155, 2161, 2162, 2165, 2167,
+    2189, 2197, 2199, 2214, 2226, 2233, 2234, 2241, 2242, 2256, 2259, 2263, 2257, 2267, 2270, 2269,
+    2272, 2273, 2275, 2279, 2284, 2285, 2266, 2271, 2287, 2291, 2310, 2313, 2314, 2317, 2311, 2312,
+    2311, 2312, 2326, 2331, 2332, 2338, 2340, 2352, 2355, 2360, 2361, 2357, 2371, 2384, 2380, 2392,
+    2393, 2396, 2397, 2400, 2417, 2420, 2421, 2422, 2444, 2457, 2458, 2464, 2467, 2494, 2495, 2498,
+    2510, 2514, 2521, 2526, 2525, 2533, 2536, 2547, 2544, 2547, 2556, 2557, 2558, 2561, 2570, 2571,
+    2573, 2575, 2583, 2584, 2585, 2572, 2574, 2575, 2587, 2589, 2590, 2602, 2603, 2604, 2605, 2589,
+    2603, 2608, 2611, 2616, 2613, 2617, 2618, 2619, 2628, 2629, 2630, 2631, 2639, 2645, 2649, 2657,
+    2665, 2673, 2680, 2679, 2680, 2702, 2703, 2709, 2711, 2714, 2715, 2716, 2715, 2721, 2720, 2739,
+    2745, 2748, 2752, 2749, 2748, 2749, 2751, 2752, 2750, 2760, 2777, 2778, 2779, 2780, 2787, 2800,
+    2805, 2810, 2812, 2820, 2821, 2843, 2846, 2853, 2862, 2861, 2867, 2880, 2890, 2891, 2892, 2885,
+    2887, 2890, 2894, 2897, 2925, 2926, 2931, 2933, 2940, 2943, 2941, 2959, 2971, 2982, 2984, 3002,
+    3006, 3008, 3012, 3013, 3034, 3043, 3059, 3063, 3064, 3060, 3075, 3090, 3091, 3104, 3108, 3114,
+    3117, 3106, 3104, 3110, 3113, 3114, 3126, 3119, 3138, 3140, 3141, 3143, 3139, 3145, 3147, 3153,
+    3161, 3170, 3168, 3180, 3181, 3177, 3196, 3210, 3216, 3232, 3233, 3234, 3235, 3239, 3240, 3242,
+    3243, 3244, 3243, 3248, 3249, 3275, 3276, 3278, 3280, 3286, 3291, 3293, 3294, 3301, 3310, 3319,
+    3326, 3338, 3339, 3348, 3366, 3376, 3371, 3372, 3404, 3407, 3408, 3425, 3444, 3451, 3457, 3452,
+    3459, 3468, 3491, 3475, 3476, 3481, 3505, 3516, 3519, 3542, 3543, 3541, 3542, 3541, 3551, 3553,
+    3552, 3533, 3542, 3543, 3561, 3562, 3563, 3566, 3571, 3572, 3596, 3600, 3603, 3607, 3608, 3609,
+    3613, 3654, 3665, 3672, 3661, 3662, 3663, 3670, 3676, 3683, 3707, 3709, 3714, 3717, 3709, 3710,
+    3713, 3714, 3715, 3716, 3735, 3749, 3763, 3770, 3784, 3782, 3786, 3790, 3792, 3794, 3803, 3805,
+    3819, 3823, 3826, 3828, 3838, 3839, 3843, 3870, 3877, 3888, 3889, 3891, 3892, 3893, 3894, 3880,
+    3860, 3878, 3880, 3888, 3893, 3898, 3904, 3906, 3907, 3910, 3918, 3927, 3946, 3973, 3982, 3979,
+    3980, 3993, 3984, 3988, 3986, 3987, 3988, 3989, 3997, 4000, 4001, 4025, 4030, 4034, 4038, 4040,
+    4044, 4046, 4048, 4057, 4067, 4079, 4092, 4094, 4122, 4124, 4128, 4127, 4128, 4132, 4136, 4141,
+    4146, 4151, 4153, 4163, 4167, 4168, 4170, 4172, 4176, 4177, 4178, 4194, 4198, 4199, 4201, 4203,
+    4204, 4205, 4204, 4209, 4211, 4213, 4224, 4240, 4242, 4255, 4266, 4280, 4284, 4295, 4310, 4323,
+    4343, 4351, 4359, 4383, 4387, 4388, 4397, 4401, 4403, 4404, 4405, 4425, 4431, 4435, 4439, 4444,
+    4452, 4461, 4470, 4466, 4467, 4469, 4481, 4482, 4498, 4496, 4504, 4505, 4512, 4518, 4520, 4521,
+    4523, 4534, 4516, 4527, 4525, 4534, 4535, 4551, 4565, 4570, 4571, 4578, 4584, 4595, 4609, 4610,
+    4618, 4628, 4629, 4630, 4634, 4636, 4637, 4640, 4659, 4664, 4669, 4665, 4673, 4687, 4688, 4693,
+    4694, 4697, 4667, 4678, 4679, 4702, 4707, 4706, 4709, 4711, 4718, 4725, 4716, 4718, 4723, 4724,
+    4726, 4727, 4729, 4735, 4736, 4738, 4739, 4758, 4763, 4773, 4774, 4776, 4777, 4778, 4777, 4785,
+    4786, 4771, 4773, 4774, 4777, 4781, 4783, 4788, 4791, 4794, 4807, 4816, 4818, 4825, 4828, 4838,
+    4822, 4831, 4837, 4841, 4851, 4854, 4870, 4876, 4888, 4889, 4900, 4906, 4909, 4910, 4917, 4919,
+    4920, 4926, 4928, 4934, 4941, 4943, 4945, 4948, 4950, 4956, 4951, 4948, 4954, 4958, 4960, 4959,
+    4962, 4969, 4982, 4986, 4994, 5000, 5009, 5027, 5025, 5029, 5033, 5037, 5036, 5037, 5040, 5032,
+    5033, 5034, 5039, 5045, 5050, 5045, 5076, 5077, 5082, 5083, 5106, 5107, 5114, 5117, 5137, 5138,
+    5143, 5147, 5153, 5156, 5171, 5182, 5183, 5184, 5185, 5189, 5182, 5189, 5194, 5201, 5205, 5213,
+    5218, 5221, 5223, 5230, 5231, 5243, 5255, 5230, 5228, 5237, 5245, 5248, 5259, 5260, 5272, 5278,
+    5281, 5287, 5286, 5287, 5298, 5328, 5329, 5333, 5335, 5337, 5339, 5341, 5346, 5349, 5350, 5351,
+    5358, 5359, 5360, 5374, 5376, 5359, 5360, 5388, 5401, 5406, 5410, 5412, 5413, 5414, 5415, 5435,
+    5436, 5441, 5443, 5448, 5446, 5448, 5449, 5464, 5465, 5466, 5469, 5470, 5492, 5493, 5494, 5509,
+    5520, 5528, 5530, 5537, 5541, 5542, 5559, 5562, 5563, 5588, 5595, 5596, 5601, 5618, 5626, 5627,
+    5641, 5667, 5679, 5685, 5693, 5695, 5717, 5733, 5734, 5754, 5755, 5757, 5758, 5759, 5760, 5761,
+    5771, 5774, 5780, 5784, 5785, 5787, 5788, 5790, 5800, 5811, 5814, 5810, 5811, 5794, 5792, 5803,
+    5804, 5812, 5814, 5815, 5836, 5852, 5853, 5855, 5878, 5879, 5880, 5883, 5889, 5897, 5911, 5932,
+    5934, 5935, 5936, 5938, 5939, 5941, 5951, 5955, 5950, 5951, 5954, 5970, 5971, 5974, 5977, 5978,
+    5985, 5986, 6013, 6024, 6031, 6037, 6043, 6052, 6051, 6053, 6076, 6096, 6101, 6106, 6108, 6115,
+    6125, 6106, 6107, 6104, 6114, 6142, 6143, 6162, 6169, 6170, 6171, 6181, 6198, 6199, 6202, 6206,
+    6207, 6244, 6246, 6249, 6250, 6254, 6264, 6271, 6276, 6277, 6268, 6271, 6288, 6293, 6308, 6309,
+    6326, 6341, 6345, 6344, 6341, 6364, 6365, 6366, 6370, 6371, 6373, 6376, 6377, 6378, 6377, 6379,
+    6386, 6396, 6397, 6420, 6422, 6429, 6433, 6463, 6472, 6473, 6490, 6491, 6492, 6497, 6522, 6523,
+    6524, 6519, 6520, 6521, 6525, 6530, 6531, 6534, 6535, 6543, 6552, 6558, 6584, 6586, 6587, 6588,
+    6606, 6614, 6618, 6646, 6650, 6651, 6654, 6677, 6663, 6665, 6676, 6655, 6653, 6655, 6665, 6667,
+    6682, 6692, 6703, 6704, 6707, 6715, 6719, 6730, 6731, 6733, 6743, 6747, 6748, 6750, 6759, 6771,
+    6772, 6776, 6775, 6776, 6782, 6785, 6812, 6841, 6858, 6860, 6859, 6877, 6886, 6895, 6914, 6919,
+    6922, 6924, 6933, 6935, 6936, 6937, 6938, 6952, 6962, 6965, 6984, 6987, 6986, 6985, 6977, 6967,
+    6968, 6966, 6980, 6997, 6994, 7002, 7008, 7000, 6975, 7009, 7014, 7015, 7026, 7027, 7034, 7036,
+    7041, 7040, 7041, 7045, 7048, 7065, 7074, 7075, 7082, 7087, 7092, 7098, 7097, 7111, 7127, 7124,
+    7135, 7136, 7137, 7140, 7153, 7156, 7158, 7174, 7176, 7177, 7163, 7166, 7159, 7157, 7158, 7164,
+    7165, 7172, 7190, 7194, 7199, 7200, 7205, 7208, 7207, 7222, 7227, 7244, 7249, 7271, 7272, 7273,
+    7274, 7281, 7286, 7288, 7314, 7315, 7317, 7318, 7319, 7304, 7307, 7308, 7309, 7312, 7319, 7322,
+    7337, 7338, 7345, 7346, 7350, 7360, 7361, 7362, 7360, 7395, 7400, 7404, 7405, 7407, 7406, 7411,
+    7420, 7435, 7440, 7442, 7446, 7453, 7446, 7448, 7467, 7471, 7469, 7470, 7482, 7485, 7492, 7488,
+    7489, 7492, 7493, 7494, 7497, 7504, 7520, 7525, 7547, 7554, 7543, 7553, 7560, 7561, 7577, 7589,
+    7591, 7593, 7587, 7596, 7597, 7584, 7590, 7591, 7599, 7626, 7627, 7628, 7630, 7645, 7639, 7645,
+    7652, 7657, 7662, 7664, 7674, 7680, 7681, 7694, 7698, 7716, 7704, 7705, 7706, 7708, 7712, 7716,
+    7715, 7717, 7722, 7723, 7728, 7721, 7722, 7724, 7727, 7735, 7737, 7725, 7746, 7747, 7750, 7761,
+    7762, 7765, 7777, 7780, 7776, 7777, 7778, 7759, 7769, 7770, 7787, 7797, 7798, 7804, 7803, 7804,
+    7805, 7811, 7825, 7824, 7826, 7827, 7828, 7851, 7867, 7887, 7889, 7890, 7900, 7904, 7917, 7918,
+    7935, 7941, 7942, 7946, 7947, 7948, 7949, 7976, 7979, 7981, 7983, 7988, 7999, 8000, 8009, 8011,
+    8012, 8019, 8021, 8025, 8027, 8006, 8011, 8034, 8036, 8037, 8038, 8013, 8024, 8029, 8032, 8033,
+    8034, 8032, 8034, 8036, 8059, 8060, 8063, 8064, 8081, 8090, 8097, 8122, 8135, 8147, 8149, 8150,
+    8151, 8162, 8174, 8154, 8158, 8162, 8170, 8171, 8188, 8189, 8190, 8191, 8196, 8205, 8216, 8217,
+    8222, 8233, 8239, 8240, 8242, 8257, 8249, 8262, 8264, 8274, 8309, 8311, 8328, 8333, 8335, 8338,
+    8344, 8350, 8349, 8350, 8363, 8366, 8370, 8371, 8395, 8398, 8401, 8410, 8425, 8429, 8430, 8441,
+    8443, 8445, 8451, 8452, 8455, 8458, 8431, 8443, 8453, 8459, 8477, 8474, 8479, 8476, 8487, 8488,
+    8489, 8500, 8501, 8503, 8504, 8538, 8523, 8529, 8530, 8556, 8573, 8576, 8589, 8595, 8624, 8632,
+    8634, 8628, 8636, 8635, 8636, 8644, 8659, 8661, 8641, 8652, 8659, 8650, 8664, 8667, 8674, 8676,
+    8678, 8686, 8696, 8697, 8735, 8740, 8749, 8767, 8769, 8747, 8751, 8760, 8755, 8766, 8768, 8777,
+    8782, 8788, 8796, 8799, 8801, 8809, 8807, 8816, 8827, 8831, 8835, 8836, 8843, 8844, 8845, 8851,
+    8858, 8860, 8862, 8863, 8889, 8891, 8912, 8913, 8924, 8928, 8929, 8939, 8955, 8957, 8958, 8963,
+    8988, 8989, 8997, 8995, 8999, 8968, 8990, 8991, 8992, 8994, 8996, 9013, 9024, 9026, 9035, 9046,
+    9047, 9083, 9084, 9089, 9096, 9108, 9107, 9116, 9123, 9122, 9128, 9132, 9151, 9155, 9163, 9174,
+    9178, 9183, 9199, 9209, 9217, 9219, 9232, 9233, 9232, 9237, 9241, 9244, 9245, 9247, 9251, 9252,
+    9266, 9285, 9284, 9291, 9294, 9295, 9296, 9300, 9322, 9328, 9333, 9337, 9345, 9346, 9347, 9371,
+    9375, 9394, 9397, 9404, 9406, 9422, 9425, 9438, 9440, 9435, 9442, 9455, 9473, 9475, 9496, 9499,
+    9500, 9511, 9512, 9513, 9539, 9540, 9543, 9547, 9550, 9557, 9571, 9577, 9593, 9600, 9609, 9615,
+    9620, 9621, 9616, 9625, 9626, 9637, 9638, 9642, 9648, 9656, 9654, 9661, 9665, 9696, 9705, 9710,
+    9719, 9720, 9717, 9718, 9717, 9719, 9724, 9725, 9738, 9741, 9743, 9744, 9745, 9765, 9778, 9779,
+    9789, 9791, 9773, 9778, 9780, 9782, 9783, 9782, 9797, 9799, 9800, 9801, 9823, 9824, 9834, 9836,
+    9841, 9845, 9847, 9865, 9868, 9883, 9884, 9887, 9890, 9892, 9899, 9908, 9910, 9911, 9915, 9918,
+    9922, 9926, 9923, 9944, 9947, 9948, 9949, 9958, 9959, 9961, 9973, 9954, 9976, 9978, 10001,
+    10000, 9992, 9997, 9985, 9995, 9996, 10005, 9999, 10001, 10002, 10009, 10041, 10045, 10051,
+    10070, 10071, 10073, 10100, 10099, 10100, 10101, 10102, 10105, 10082, 10083, 10082, 10086,
+    10112, 10113, 10114, 10122, 10124, 10127, 10140, 10156, 10157, 10158, 10159, 10162, 10163,
+    10166, 10177, 10178, 10180, 10178, 10179, 10191, 10186, 10198, 10201, 10204, 10227, 10229,
+    10232, 10234, 10246, 10247, 10248, 10249, 10250, 10269, 10277, 10278, 10279, 10289, 10291,
+    10294, 10292, 10304, 10324, 10339, 10342, 10343, 10349, 10354, 10371, 10370, 10374, 10376,
+    10379, 10405, 10406, 10405, 10403, 10411, 10412, 10411, 10419, 10422, 10435, 10437, 10438,
+    10437, 10440, 10427, 10421, 10432, 10434, 10439, 10449, 10442, 10469, 10471, 10476, 10480,
+    10481, 10485, 10507, 10508, 10511, 10512, 10513, 10523, 10524, 10529, 10536, 10552, 10563,
+    10569, 10573, 10575, 10576, 10578, 10596, 10602, 10630, 10647, 10657, 10659, 10684, 10687,
+    10692, 10693, 10700, 10702, 10703, 10709, 10714, 10716, 10727, 10746, 10744, 10754, 10753,
+    10754, 10755, 10759, 10763, 10764, 10765, 10769, 10770, 10771, 10777, 10796, 10807, 10813,
+    10818, 10825, 10830, 10835, 10836, 10849, 10858, 10873, 10882, 10879, 10882, 10886, 10902,
+    10903, 10931, 10930,
+];
+
+fn windows_increasing(window_size: usize, items: &[u64]) -> usize {
+    let mut retval = 0;
+
+    for data in items.windows(window_size + 1) {
+        let first: u64 = (&data[..data.len() - 1]).iter().sum();
+        let second: u64 = (&data[1..]).iter().sum();
+
+        if second > first {
+            retval += 1;
+        }
+    }
+
+    retval
+}
+
+fn main() {
+    println!("Part #1 test results: {}", windows_increasing(1, TEST_LIST));
+    println!("Part #1 results: {}", windows_increasing(1, ACTUAL_LIST));
+    println!("Part #2 test results: {}", windows_increasing(3, TEST_LIST));
+    println!("Part #2 results: {}", windows_increasing(3, ACTUAL_LIST));
+}