commit d195f90ecad9292e26c8bf2249b52606ad06b87e
Author: bsandro <brian.drosan@gmail.com>
Date: Wed, 1 Dec 2021 15:37:43 +0000
Day 01, puzzle 1.
Diffstat:
3 files changed, 2062 insertions(+), 0 deletions(-)
diff --git a/day01/Makefile b/day01/Makefile
@@ -0,0 +1,23 @@
+NAME!=basename ${PWD}
+CC=cc
+SRC!=ls *.c
+DEPS!=find . -type f -name "*.h" -maxdepth 1
+OBJ:=${SRC:.c=.o}
+
+CFLAGS=-O0 -std=c99 -g -Werror -Wall -Wextra -I.
+
+all: ${NAME}
+
+.PHONY: clean run
+
+clean:
+ @rm -f ${OBJ} ${NAME}
+
+$(OBJ): ${SRC} ${DEPS}
+ @${CC} ${CFLAGS} -c $< -o $@
+
+${NAME}: ${OBJ}
+ @${CC} ${OBJ} -o $@ ${LDFLAGS}
+
+run: ${NAME}
+ @./${NAME} input.txt
diff --git a/day01/input.txt b/day01/input.txt
@@ -0,0 +1,2000 @@
+118
+121
+123
+125
+134
+132
+137
+135
+136
+137
+138
+139
+163
+170
+171
+159
+161
+162
+156
+155
+151
+168
+172
+166
+159
+180
+187
+172
+161
+162
+161
+183
+182
+185
+175
+173
+174
+177
+192
+191
+190
+219
+225
+226
+216
+226
+230
+234
+236
+244
+235
+245
+266
+299
+300
+281
+291
+309
+303
+333
+332
+309
+312
+313
+314
+315
+339
+351
+353
+352
+338
+343
+337
+346
+338
+335
+332
+329
+345
+347
+332
+339
+354
+373
+376
+397
+400
+401
+433
+434
+440
+434
+438
+443
+448
+452
+456
+450
+459
+463
+464
+488
+492
+488
+506
+507
+516
+523
+524
+522
+546
+551
+553
+554
+553
+562
+559
+567
+569
+556
+557
+577
+581
+582
+591
+593
+594
+595
+598
+602
+611
+623
+604
+613
+603
+607
+612
+616
+612
+613
+612
+598
+607
+622
+619
+636
+638
+639
+637
+659
+657
+677
+678
+679
+655
+651
+655
+654
+662
+666
+672
+673
+676
+683
+684
+693
+688
+691
+698
+702
+704
+706
+707
+710
+709
+725
+731
+729
+767
+779
+780
+807
+806
+808
+815
+812
+811
+819
+820
+821
+822
+826
+812
+810
+820
+817
+803
+808
+826
+831
+837
+842
+839
+840
+827
+838
+840
+841
+842
+848
+841
+838
+839
+838
+839
+841
+821
+812
+813
+796
+817
+820
+845
+854
+857
+858
+866
+869
+870
+881
+882
+888
+889
+891
+886
+891
+901
+930
+940
+944
+943
+958
+952
+916
+903
+905
+907
+910
+915
+907
+906
+907
+919
+921
+923
+925
+924
+929
+931
+936
+937
+935
+953
+962
+968
+980
+981
+1003
+1005
+1006
+1011
+1013
+1014
+1015
+1016
+1015
+995
+1002
+1018
+1020
+1031
+1043
+1038
+1039
+1040
+1041
+1043
+1037
+1041
+1050
+1052
+1048
+1049
+1050
+1053
+1057
+1064
+1067
+1068
+1078
+1086
+1098
+1103
+1119
+1138
+1114
+1115
+1129
+1130
+1143
+1138
+1141
+1150
+1153
+1146
+1155
+1157
+1145
+1146
+1147
+1145
+1144
+1158
+1163
+1167
+1171
+1174
+1176
+1188
+1207
+1205
+1208
+1212
+1216
+1222
+1231
+1233
+1249
+1253
+1269
+1231
+1235
+1242
+1241
+1246
+1247
+1263
+1266
+1259
+1260
+1279
+1280
+1281
+1285
+1284
+1285
+1296
+1300
+1302
+1319
+1312
+1313
+1325
+1342
+1344
+1361
+1349
+1363
+1367
+1366
+1346
+1347
+1369
+1385
+1386
+1397
+1401
+1402
+1396
+1397
+1400
+1395
+1400
+1411
+1419
+1427
+1446
+1445
+1459
+1460
+1464
+1472
+1482
+1474
+1475
+1476
+1481
+1484
+1487
+1494
+1497
+1494
+1495
+1498
+1501
+1511
+1521
+1528
+1533
+1535
+1544
+1518
+1521
+1509
+1533
+1537
+1540
+1545
+1546
+1544
+1564
+1553
+1576
+1577
+1563
+1560
+1564
+1569
+1570
+1571
+1573
+1576
+1573
+1596
+1597
+1593
+1597
+1596
+1592
+1597
+1578
+1555
+1576
+1584
+1585
+1584
+1594
+1598
+1608
+1613
+1614
+1606
+1608
+1621
+1648
+1614
+1615
+1606
+1609
+1610
+1625
+1638
+1640
+1617
+1655
+1661
+1644
+1648
+1649
+1653
+1675
+1674
+1681
+1679
+1682
+1683
+1695
+1696
+1699
+1700
+1701
+1704
+1709
+1729
+1732
+1739
+1742
+1746
+1748
+1746
+1753
+1744
+1752
+1749
+1750
+1758
+1762
+1767
+1771
+1772
+1761
+1763
+1784
+1804
+1809
+1792
+1787
+1806
+1809
+1815
+1817
+1828
+1821
+1824
+1823
+1824
+1841
+1840
+1833
+1840
+1842
+1863
+1862
+1865
+1866
+1868
+1878
+1887
+1897
+1905
+1906
+1913
+1908
+1915
+1930
+1928
+1922
+1925
+1927
+1928
+1939
+1938
+1946
+1947
+1954
+1955
+1959
+1961
+1951
+1945
+1949
+1954
+1959
+1961
+1962
+1964
+1960
+1956
+1958
+1975
+1990
+1994
+2002
+2004
+2011
+2010
+2020
+2042
+2043
+2046
+2047
+2044
+2048
+2065
+2074
+2075
+2086
+2088
+2094
+2098
+2092
+2083
+2082
+2084
+2094
+2097
+2099
+2098
+2101
+2104
+2112
+2118
+2105
+2108
+2109
+2104
+2105
+2103
+2114
+2144
+2138
+2139
+2142
+2114
+2120
+2139
+2147
+2153
+2190
+2191
+2197
+2193
+2206
+2216
+2225
+2230
+2232
+2258
+2264
+2236
+2264
+2289
+2306
+2307
+2315
+2319
+2322
+2277
+2279
+2271
+2279
+2285
+2290
+2297
+2316
+2317
+2320
+2329
+2330
+2323
+2326
+2327
+2331
+2336
+2341
+2348
+2352
+2386
+2396
+2401
+2400
+2401
+2418
+2419
+2429
+2432
+2430
+2428
+2406
+2401
+2434
+2435
+2443
+2463
+2478
+2479
+2481
+2482
+2486
+2490
+2491
+2492
+2496
+2497
+2499
+2507
+2525
+2522
+2523
+2522
+2521
+2526
+2531
+2530
+2525
+2526
+2537
+2533
+2534
+2542
+2544
+2531
+2539
+2546
+2550
+2551
+2553
+2554
+2552
+2562
+2566
+2551
+2583
+2587
+2601
+2605
+2604
+2610
+2628
+2639
+2641
+2654
+2657
+2676
+2672
+2686
+2694
+2677
+2693
+2694
+2707
+2696
+2710
+2753
+2752
+2722
+2723
+2724
+2741
+2746
+2753
+2763
+2764
+2805
+2806
+2810
+2811
+2823
+2854
+2855
+2852
+2872
+2873
+2867
+2876
+2881
+2885
+2899
+2900
+2901
+2903
+2918
+2912
+2924
+2915
+2920
+2932
+2942
+2943
+2934
+2953
+2960
+2956
+2957
+2959
+2982
+2991
+3016
+3018
+3047
+3032
+3048
+3051
+3056
+3063
+3064
+3063
+3065
+3066
+3070
+3075
+3069
+3075
+3073
+3074
+3083
+3086
+3097
+3093
+3082
+3077
+3098
+3105
+3128
+3144
+3148
+3174
+3173
+3172
+3171
+3169
+3176
+3180
+3166
+3165
+3182
+3183
+3206
+3207
+3208
+3211
+3215
+3214
+3220
+3233
+3234
+3248
+3249
+3252
+3253
+3254
+3256
+3258
+3266
+3265
+3266
+3274
+3291
+3275
+3291
+3294
+3299
+3292
+3293
+3306
+3292
+3291
+3290
+3291
+3295
+3296
+3288
+3294
+3305
+3308
+3315
+3319
+3327
+3332
+3334
+3332
+3342
+3346
+3347
+3348
+3360
+3370
+3371
+3373
+3379
+3387
+3386
+3389
+3393
+3398
+3405
+3406
+3413
+3417
+3431
+3433
+3434
+3438
+3442
+3443
+3445
+3446
+3447
+3448
+3454
+3439
+3450
+3451
+3453
+3452
+3455
+3462
+3466
+3475
+3479
+3476
+3479
+3480
+3484
+3486
+3489
+3491
+3505
+3506
+3510
+3513
+3530
+3532
+3537
+3540
+3542
+3553
+3558
+3570
+3569
+3570
+3569
+3570
+3565
+3559
+3561
+3556
+3557
+3575
+3585
+3590
+3592
+3593
+3602
+3619
+3623
+3624
+3669
+3671
+3672
+3683
+3686
+3699
+3708
+3709
+3714
+3713
+3718
+3719
+3742
+3729
+3730
+3731
+3729
+3727
+3741
+3742
+3741
+3742
+3734
+3740
+3744
+3734
+3737
+3738
+3739
+3759
+3760
+3761
+3750
+3751
+3753
+3745
+3744
+3731
+3733
+3725
+3750
+3757
+3767
+3768
+3774
+3777
+3791
+3815
+3816
+3817
+3819
+3820
+3825
+3835
+3836
+3858
+3861
+3860
+3844
+3846
+3847
+3877
+3906
+3910
+3912
+3940
+3941
+3975
+3980
+3983
+3987
+4016
+4028
+4047
+4066
+4061
+4058
+4061
+4066
+4088
+4089
+4092
+4098
+4105
+4110
+4111
+4103
+4108
+4082
+4087
+4086
+4087
+4082
+4083
+4084
+4104
+4110
+4111
+4119
+4128
+4133
+4113
+4129
+4128
+4129
+4121
+4123
+4126
+4132
+4133
+4143
+4149
+4148
+4147
+4145
+4142
+4143
+4146
+4138
+4139
+4141
+4147
+4148
+4160
+4156
+4162
+4173
+4179
+4181
+4190
+4191
+4190
+4191
+4192
+4193
+4194
+4208
+4211
+4215
+4226
+4223
+4227
+4230
+4250
+4248
+4267
+4260
+4274
+4275
+4278
+4291
+4298
+4304
+4314
+4315
+4317
+4319
+4325
+4326
+4327
+4349
+4345
+4356
+4360
+4365
+4366
+4370
+4385
+4384
+4386
+4399
+4423
+4397
+4410
+4409
+4388
+4393
+4397
+4402
+4403
+4418
+4413
+4418
+4417
+4418
+4422
+4411
+4374
+4403
+4412
+4427
+4445
+4449
+4453
+4458
+4459
+4465
+4447
+4448
+4450
+4460
+4464
+4465
+4467
+4472
+4486
+4484
+4482
+4507
+4512
+4525
+4524
+4525
+4527
+4522
+4521
+4524
+4550
+4551
+4552
+4550
+4554
+4555
+4586
+4578
+4582
+4594
+4588
+4592
+4595
+4598
+4599
+4614
+4615
+4623
+4632
+4633
+4655
+4661
+4662
+4690
+4689
+4690
+4694
+4704
+4705
+4694
+4697
+4702
+4703
+4704
+4703
+4709
+4714
+4722
+4728
+4741
+4761
+4767
+4768
+4770
+4775
+4778
+4770
+4788
+4789
+4802
+4805
+4808
+4811
+4819
+4812
+4813
+4821
+4838
+4839
+4843
+4817
+4821
+4824
+4820
+4843
+4845
+4849
+4852
+4872
+4873
+4870
+4885
+4902
+4920
+4921
+4923
+4936
+4930
+4932
+4933
+4931
+4949
+4974
+4976
+4977
+4978
+4990
+4991
+5001
+5002
+5001
+5027
+5026
+5021
+5054
+5055
+5056
+5059
+5064
+5065
+5074
+5081
+5093
+5095
+5100
+5113
+5125
+5126
+5137
+5142
+5123
+5118
+5117
+5118
+5125
+5135
+5142
+5154
+5165
+5158
+5146
+5148
+5149
+5163
+5176
+5177
+5169
+5171
+5168
+5186
+5191
+5196
+5197
+5224
+5226
+5224
+5215
+5213
+5214
+5198
+5201
+5202
+5213
+5214
+5216
+5251
+5255
+5259
+5262
+5259
+5261
+5264
+5273
+5281
+5254
+5265
+5280
+5289
+5294
+5298
+5309
+5310
+5298
+5297
+5306
+5311
+5301
+5306
+5289
+5287
+5300
+5299
+5301
+5308
+5314
+5323
+5329
+5330
+5324
+5325
+5332
+5335
+5332
+5333
+5334
+5337
+5345
+5351
+5355
+5364
+5366
+5382
+5391
+5408
+5400
+5402
+5405
+5390
+5391
+5394
+5407
+5409
+5410
+5411
+5412
+5416
+5412
+5424
+5426
+5425
+5426
+5434
+5421
+5433
+5440
+5441
+5435
+5424
+5417
+5413
+5414
+5415
+5418
+5420
+5421
+5444
+5442
+5433
+5435
+5436
+5437
+5407
+5406
+5424
+5427
+5433
+5434
+5438
+5441
+5443
+5444
+5445
+5446
+5453
+5464
+5465
+5478
+5474
+5462
+5463
+5491
+5498
+5499
+5500
+5501
+5504
+5506
+5530
+5524
+5517
+5521
+5530
+5532
+5538
+5544
+5541
+5554
+5556
+5553
+5554
+5556
+5562
+5563
+5568
+5572
+5584
+5581
+5584
+5582
+5586
+5588
+5599
+5602
+5603
+5601
+5610
+5607
+5602
+5604
+5600
+5602
+5605
+5606
+5608
+5606
+5610
+5619
+5620
+5619
+5623
+5624
+5626
+5627
+5628
+5630
+5637
+5650
+5674
+5677
+5661
+5669
+5675
+5676
+5681
+5685
+5687
+5709
+5713
+5714
+5724
+5728
+5729
+5727
+5741
+5755
+5741
+5730
+5724
+5727
+5726
+5730
+5731
+5732
+5734
+5733
+5734
+5735
+5736
+5737
+5736
+5730
+5732
+5742
+5744
+5747
+5755
+5760
+5755
+5757
+5768
+5793
+5798
+5799
+5805
+5808
+5810
+5812
+5814
+5815
+5817
+5850
+5851
+5839
+5860
+5870
+5871
+5879
+5886
+5897
+5904
+5908
+5907
+5911
+5910
+5914
+5916
+5917
+5919
+5917
+5928
+5930
+5931
+5932
+5941
+5944
+5946
+5951
+5931
+5905
+5930
+5936
+5937
+5935
+5936
+5942
+5944
+5951
+5916
+5899
+5892
+5891
+5902
+5907
+5951
+5952
+5957
+5958
+5961
+5965
+5969
+5974
+5975
+5953
+5956
+5965
+5985
+5987
+6017
+6016
+6017
+5990
+5991
+5999
+5993
+5995
+6016
+6017
+6014
+6049
+6042
+6053
+6055
+6068
+6069
+6074
+6072
+6079
+6074
+6076
+6066
+6065
+6067
+6098
+6104
+6116
+6115
+6113
+6099
+6100
+6101
+6100
+6111
+6115
+6140
+6106
+6107
+6117
+6131
+6135
+6144
+6118
+6113
+6118
+6128
+6129
+6135
+6138
+6143
+6144
+6142
+6144
+6145
+6144
+6147
+6151
+6149
+6150
+6151
+6135
+6136
+6132
+6118
+6113
+6120
+6117
+6118
+6122
+6125
+6126
+6124
+6131
+6132
+6135
+6136
+6154
+6160
+6167
+6179
+6181
+6186
+6196
+6225
+6228
+6232
+6221
+6238
+6249
+6252
+6254
+6256
+6260
+6269
+6271
+6263
+6272
+6271
+6272
+6271
+6285
+6308
+6319
+6327
+6334
+6337
+6356
+6385
+6380
+6387
+6395
+6396
+6392
+6395
+6398
+6400
+6401
+6396
+6399
+6400
+6380
+6379
+6380
+6377
+6397
+6398
+6396
+6415
+6419
+6438
+6449
+6465
+6459
+6461
+6463
+6466
+6492
+6493
+6502
+6501
+6503
+6510
+6511
+6512
+6505
+6506
+6508
+6525
+6523
+6530
+6536
+6535
+6539
+6544
+6545
+6534
+6532
+6537
+6542
+6543
+6544
+6545
+6559
+6560
+6577
+6578
+6580
+6581
+6582
+6591
+6597
+6581
+6595
+6608
+6620
+6624
+6632
+6636
+6639
+6637
+6645
+6648
+6650
+6651
+6645
+6648
+6661
+6658
+6659
+6668
+6667
+6666
+6684
+6700
+6701
+6730
+6736
+6746
+6749
+6750
+6751
+6741
+6728
+6729
+6762
+6763
+6792
+6795
+6796
+6813
+6827
+6835
+6843
+6844
+6852
+6854
+6856
+6868
+6870
+6876
+6874
+6865
+6870
+6867
+6870
+6877
+6887
+6881
+6869
+6871
+6874
+6875
+6876
+6902
+6903
+6901
+6902
+6912
+6913
+6912
+6913
+6927
+6928
+6935
+6936
+6942
+6943
+6942
+6943
+6953
+6954
+6961
+6989
+6992
+6993
+6997
+7018
+7022
+7041
+7052
+7055
+7058
+7049
+7050
+7051
+7047
+7064
+7059
+7074
+7082
+7083
+7097
+7102
+7092
+7094
+7101
+7143
+7165
+7176
+7178
+7183
+7180
+7203
+7204
+7207
+7211
+7217
+7220
+7212
+7215
+7217
+7223
+7207
+7214
+7213
+7215
+7214
+7212
+7219
+7226
+7225
+7230
+7239
+7240
+7241
+7248
+7247
+7254
+7258
+7262
+7280
+7298
+7297
+7307
+7308
+7316
+7314
+7339
+7340
+7359
+7356
+7383
+7382
+7385
+7397
+7399
+7410
+7437
+7440
+7439
+7457
+7455
+7462
+7463
+7464
+7465
+7477
+7478
+7494
+7500
+7507
+7512
+7547
+7558
+7559
+7571
+7572
+7575
+7608
+7633
+7636
+7629
+7628
+7633
+7635
+7641
+7659
+7663
+7677
+7694
+7708
+7701
+7697
+7682
+7684
+7675
+7664
+7672
+7675
+7669
+7671
+7672
+7684
+7688
+7701
+7712
+7741
+7727
+7733
+7735
+7736
+7737
+7744
+7748
+7749
+7750
+7736
+7737
+7752
+7755
+7756
+7757
+7791
+7790
+7785
+7791
+7812
+7825
+7816
+7819
+7824
+7829
+7855
+7846
+7854
+7827
+7831
+7835
+7836
+7845
+7848
+7861
+7862
+7864
+7847
+7858
+7877
+7878
+7888
+7885
+7881
+7878
+7883
+7884
+7882
+7883
+7901
+7916
+7922
+7909
+7915
+7929
+7942
+7953
+7954
+7951
+7967
+7963
diff --git a/day01/main.c b/day01/main.c
@@ -0,0 +1,39 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <string.h>
+
+int main(int argc, char *argv[]) {
+ printf("advent of code day 01\n");
+ if (argc <= 1) {
+ printf("Usage: %s inputfile.txt\n", argv[0]);
+ return 0;
+ }
+
+ FILE *infile = fopen(argv[1], "r");
+ if (infile == NULL) {
+ printf("fopen() error: %s\n", strerror(errno));
+ return -1;
+ }
+
+ char *buf = NULL;
+ size_t len = 0;
+ int prev_depth = -1;
+ int counter = 0;
+ while ((buf = fgetln(infile, &len)) != NULL) {
+ if (len == 0) {
+ break;
+ }
+ int depth = atoi(buf);
+ if (prev_depth > -1 && depth > prev_depth) {
+ ++counter;
+ }
+ prev_depth = depth;
+ }
+
+ printf("1: %d\n", counter);
+
+ fclose(infile);
+
+ return 0;
+}
