some advent of code solutions for 2015

2015/1/sol.py

@@ -0,0 +1,19 @@
+#!/usr/bin/python3
+
+file = [i.rstrip() for i in open("input").readlines()]
+j = 0
+count = 0
+for i in file[0]:
+    if i == "(":
+        j += 1
+    elif i == ")":
+        j -= 1
+
+    count += 1
+
+    if j == -1:
+        print("fin: count = " + str(count))
+        exit()
+
+
+print(j)

2015/2/sol.py

@@ -0,0 +1,38 @@
+lines = [i.rstrip() for i in open("input").readlines()]
+
+class Box:
+    def __init__(self, string):
+        inter = string.split("x")
+        self.a = int(inter[0])
+        self.b = int(inter[1])
+        self.c = int(inter[2])
+
+    def surfacearea(self):
+        a_0 = self.a * self.b
+        a_1 = self.b * self.c
+        a_2 = self.c * self.a
+
+        slack = min(a_0, a_1, a_2)
+        print(slack)
+
+        return 2 * a_0 + 2 * a_1 + 2 * a_2 + slack
+
+    def bow(self):
+        arr = [self.a, self.b, self.c]
+        arr.sort()
+
+        tot = 0
+        tot += 2*arr[0] + 2*arr[1]
+        tot += self.a * self.b * self.c
+
+        return tot
+
+boxes = []
+for i in lines:
+    boxes.append(Box(i))
+
+s = 0
+for i in boxes:
+    s += i.bow()
+
+print(s)

2015/3/sol.py

@@ -0,0 +1,62 @@
+file = [i.rstrip() for i in open("input").readlines()]
+
+class House:
+    def __init__(self, x, y):
+        self.x = x
+        self.y = y
+        self.count = 0
+
+    def inc(self):
+        self.count = 1
+
+class HouseHolder:
+    def __init__(self):
+        self.x = 0
+        self.y = 0
+        self.houses = []
+        self._update()
+
+    def _update(self):
+        found = False
+        for i in self.houses:
+            if i.x == self.x and i.y == self.y:
+                i.inc()
+                found = True
+                break
+
+        if not found:
+            self.houses.append(House(self.x, self.y))
+            self.houses[-1].inc()
+
+    def up(self):
+        self.y += 1
+        self._update()
+
+    def down(self):
+        self.y -= 1
+        self._update()
+
+    def right(self):
+        self.x += 1
+        self._update()
+
+    def left(self):
+        self.x -= 1
+        self._update()
+
+    def getHouseData(self):
+        return len(self.houses)
+
+h = HouseHolder()
+
+for i in file[0]:
+    if i == ">":
+        h.right()
+    if i == "<":
+        h.left()
+    if i == "^":
+        h.up()
+    if i == "v":
+        h.down()
+
+print(h.getHouseData())

2015/3/sol2.py

@@ -0,0 +1,83 @@
+file = [i.rstrip() for i in open("input").readlines()]
+
+class House:
+    def __init__(self, x, y):
+        self.x = x
+        self.y = y
+        self.count = 0
+
+    def inc(self):
+        self.count = 1
+
+class HouseHolder:
+    def __init__(self):
+        self.x = 0
+        self.y = 0
+        self.houses = []
+        self._update()
+
+    def _update(self):
+        found = False
+        for i in self.houses:
+            if i.x == self.x and i.y == self.y:
+                i.inc()
+                found = True
+                break
+
+        if not found:
+            self.houses.append(House(self.x, self.y))
+            self.houses[-1].inc()
+
+    def up(self):
+        self.y += 1
+        self._update()
+
+    def down(self):
+        self.y -= 1
+        self._update()
+
+    def right(self):
+        self.x += 1
+        self._update()
+
+    def left(self):
+        self.x -= 1
+        self._update()
+
+    def getHouseData(self):
+        return len(self.houses)
+
+h = HouseHolder()
+hr = HouseHolder()
+flip = False
+
+sel = {
+        False: h,
+        True: hr
+}
+
+for i in file[0]:
+    if i == ">":
+        sel[flip].right()
+    if i == "<":
+        sel[flip].left()
+    if i == "^":
+        sel[flip].up()
+    if i == "v":
+        sel[flip].down()
+
+    flip = not flip
+
+bothhouses = h.houses + hr.houses
+
+ret = []
+for i in bothhouses:
+    dup = False
+    for j in ret:
+        if i.x == j.x and i.y == j.y:
+            dup = True
+
+    if not dup:
+        ret.append(i)
+
+print(len(ret))

2015/4/input

@@ -0,0 +1 @@
+ckczppom

2015/4/sol.py

@@ -0,0 +1,16 @@
+file = [i.rstrip() for i in open("input").readlines()]
+
+import hashlib
+
+key = file[0]
+i = 1
+while True:
+    output = hashlib.md5("{}{}".format(key, str(i)).encode())
+    digest = output.hexdigest()
+    # change from [0:6] to [0:5] for sol 1
+    if len(set(digest[0:6])) == 1 and digest[0] == '0':
+        # we've 'mined' a coin
+        print(i)
+        break
+
+    i += 1

2015/5/sol.py

@@ -0,0 +1,40 @@
+files = [i.rstrip() for i in open("input").readlines()]
+
+def naughtyornice(string):
+    # do the vowel scan
+    vowels = "aeiou"
+    vowelcount = 0
+    for i in string:
+        if i in vowels:
+            vowelcount += 1
+
+    if vowelcount < 3:
+        return False
+
+    # double letter thing
+    last = None
+    containsdouble = False
+    for i in string:
+        if i == last:
+            containsdouble = True
+            break
+
+        last = i
+
+    if not containsdouble:
+        return False
+
+    # naughty doubles check
+    for i in ['ab', 'cd', 'pq', 'xy']:
+        if i in string:
+            return False
+
+    return True
+
+nicecount = 0
+for i in files:
+    if naughtyornice(i):
+        nicecount += 1
+
+print(nicecount)
+

2015/5/sol2.py

@@ -0,0 +1,43 @@
+files = [i.rstrip() for i in open("input").readlines()]
+
+def naughtyornice(string):
+    last = None
+    lastlast = None
+
+    c1 = False
+    c2 = False
+    for i in string:
+        if i == lastlast:
+            c2 = True
+        lastlast = last
+        last = i
+
+    collections = []
+    for i in range(len(string)):
+        try:
+            collections.append((string[i], string[i + 1], i))
+        except IndexError:
+            pass
+
+    res = []
+    for i in collections:
+        for j in collections:
+            if not i == j and i[0] == j[0] and i[1] == j[1] and i[2] != j[2] + 1 and j[2] != i[2] + 1:
+                res.append("".join([i[0], i[1]]))
+
+    res = set(res)
+
+    if len(res) > 0:
+        c1 = True
+
+    print(res)
+
+    return c1 and c2
+
+nicecount = 0
+for i in files:
+    if naughtyornice(i):
+        nicecount += 1
+
+print(nicecount)
+

2015/6/input

@@ -0,0 +1,300 @@
+turn off 660,55 through 986,197
+turn off 341,304 through 638,850
+turn off 199,133 through 461,193
+toggle 322,558 through 977,958
+toggle 537,781 through 687,941
+turn on 226,196 through 599,390
+turn on 240,129 through 703,297
+turn on 317,329 through 451,798
+turn on 957,736 through 977,890
+turn on 263,530 through 559,664
+turn on 158,270 through 243,802
+toggle 223,39 through 454,511
+toggle 544,218 through 979,872
+turn on 313,306 through 363,621
+toggle 173,401 through 496,407
+toggle 333,60 through 748,159
+turn off 87,577 through 484,608
+turn on 809,648 through 826,999
+toggle 352,432 through 628,550
+turn off 197,408 through 579,569
+turn off 1,629 through 802,633
+turn off 61,44 through 567,111
+toggle 880,25 through 903,973
+turn on 347,123 through 864,746
+toggle 728,877 through 996,975
+turn on 121,895 through 349,906
+turn on 888,547 through 931,628
+toggle 398,782 through 834,882
+turn on 966,850 through 989,953
+turn off 891,543 through 914,991
+toggle 908,77 through 916,117
+turn on 576,900 through 943,934
+turn off 580,170 through 963,206
+turn on 184,638 through 192,944
+toggle 940,147 through 978,730
+turn off 854,56 through 965,591
+toggle 717,172 through 947,995
+toggle 426,987 through 705,998
+turn on 987,157 through 992,278
+toggle 995,774 through 997,784
+turn off 796,96 through 845,182
+turn off 451,87 through 711,655
+turn off 380,93 through 968,676
+turn on 263,468 through 343,534
+turn on 917,936 through 928,959
+toggle 478,7 through 573,148
+turn off 428,339 through 603,624
+turn off 400,880 through 914,953
+toggle 679,428 through 752,779
+turn off 697,981 through 709,986
+toggle 482,566 through 505,725
+turn off 956,368 through 993,516
+toggle 735,823 through 783,883
+turn off 48,487 through 892,496
+turn off 116,680 through 564,819
+turn on 633,865 through 729,930
+turn off 314,618 through 571,922
+toggle 138,166 through 936,266
+turn on 444,732 through 664,960
+turn off 109,337 through 972,497
+turn off 51,432 through 77,996
+turn off 259,297 through 366,744
+toggle 801,130 through 917,544
+toggle 767,982 through 847,996
+turn on 216,507 through 863,885
+turn off 61,441 through 465,731
+turn on 849,970 through 944,987
+toggle 845,76 through 852,951
+toggle 732,615 through 851,936
+toggle 251,128 through 454,778
+turn on 324,429 through 352,539
+toggle 52,450 through 932,863
+turn off 449,379 through 789,490
+turn on 317,319 through 936,449
+toggle 887,670 through 957,838
+toggle 671,613 through 856,664
+turn off 186,648 through 985,991
+turn off 471,689 through 731,717
+toggle 91,331 through 750,758
+toggle 201,73 through 956,524
+toggle 82,614 through 520,686
+toggle 84,287 through 467,734
+turn off 132,367 through 208,838
+toggle 558,684 through 663,920
+turn on 237,952 through 265,997
+turn on 694,713 through 714,754
+turn on 632,523 through 862,827
+turn on 918,780 through 948,916
+turn on 349,586 through 663,976
+toggle 231,29 through 257,589
+toggle 886,428 through 902,993
+turn on 106,353 through 236,374
+turn on 734,577 through 759,684
+turn off 347,843 through 696,912
+turn on 286,699 through 964,883
+turn on 605,875 through 960,987
+turn off 328,286 through 869,461
+turn off 472,569 through 980,848
+toggle 673,573 through 702,884
+turn off 398,284 through 738,332
+turn on 158,50 through 284,411
+turn off 390,284 through 585,663
+turn on 156,579 through 646,581
+turn on 875,493 through 989,980
+toggle 486,391 through 924,539
+turn on 236,722 through 272,964
+toggle 228,282 through 470,581
+toggle 584,389 through 750,761
+turn off 899,516 through 900,925
+turn on 105,229 through 822,846
+turn off 253,77 through 371,877
+turn on 826,987 through 906,992
+turn off 13,152 through 615,931
+turn on 835,320 through 942,399
+turn on 463,504 through 536,720
+toggle 746,942 through 786,998
+turn off 867,333 through 965,403
+turn on 591,477 through 743,692
+turn off 403,437 through 508,908
+turn on 26,723 through 368,814
+turn on 409,485 through 799,809
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+turn off 228,183 through 317,220
+toggle 300,649 through 382,842
+turn off 495,365 through 745,562
+turn on 698,346 through 744,873
+turn on 822,932 through 951,934
+toggle 805,30 through 925,421
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+turn off 350,781 through 532,917
+toggle 40,583 through 348,636
+turn on 280,306 through 483,395
+toggle 392,936 through 880,955
+toggle 496,591 through 851,934
+turn off 780,887 through 946,994
+turn off 205,735 through 281,863
+toggle 100,876 through 937,915
+turn on 392,393 through 702,878
+turn on 956,374 through 976,636
+toggle 478,262 through 894,775
+turn off 279,65 through 451,677
+turn on 397,541 through 809,847
+turn on 444,291 through 451,586
+toggle 721,408 through 861,598
+turn on 275,365 through 609,382
+turn on 736,24 through 839,72
+turn off 86,492 through 582,712
+turn on 676,676 through 709,703
+turn off 105,710 through 374,817
+toggle 328,748 through 845,757
+toggle 335,79 through 394,326
+toggle 193,157 through 633,885
+turn on 227,48 through 769,743
+toggle 148,333 through 614,568
+toggle 22,30 through 436,263
+toggle 547,447 through 688,969
+toggle 576,621 through 987,740
+turn on 711,334 through 799,515
+turn on 541,448 through 654,951
+toggle 792,199 through 798,990
+turn on 89,956 through 609,960
+toggle 724,433 through 929,630
+toggle 144,895 through 201,916
+toggle 226,730 through 632,871
+turn off 760,819 through 828,974
+toggle 887,180 through 940,310
+toggle 222,327 through 805,590
+turn off 630,824 through 885,963
+turn on 940,740 through 954,946
+turn on 193,373 through 779,515
+toggle 304,955 through 469,975
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+turn on 662,123 through 690,669
+turn off 615,238 through 750,714
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+toggle 590,151 through 704,722
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+turn off 306,448 through 602,924
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+toggle 791,598 through 989,695
+turn on 19,45 through 575,757
+toggle 111,55 through 880,871
+turn off 197,897 through 943,982
+turn on 912,336 through 977,605
+toggle 101,221 through 537,450
+turn on 101,104 through 969,447
+toggle 71,527 through 587,717
+toggle 336,445 through 593,889
+toggle 214,179 through 575,699
+turn on 86,313 through 96,674
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+turn on 835,775 through 867,887
+toggle 547,301 through 897,515
+toggle 289,930 through 413,979
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+turn on 162,187 through 374,746
+turn on 348,461 through 454,675
+turn off 966,532 through 985,537
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+toggle 433,73 through 690,651
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+toggle 822,204 through 893,760
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+turn off 789,28 through 930,267
+toggle 880,98 through 932,434
+toggle 568,674 through 669,753
+turn on 686,228 through 903,271
+turn on 263,995 through 478,999
+toggle 534,675 through 687,955
+turn off 342,434 through 592,986
+toggle 404,768 through 677,867
+toggle 126,723 through 978,987
+toggle 749,675 through 978,959
+turn off 445,330 through 446,885
+turn off 463,205 through 924,815
+turn off 417,430 through 915,472
+turn on 544,990 through 912,999
+turn off 201,255 through 834,789
+turn off 261,142 through 537,862
+turn off 562,934 through 832,984
+turn off 459,978 through 691,980
+turn off 73,911 through 971,972
+turn on 560,448 through 723,810
+turn on 204,630 through 217,854
+turn off 91,259 through 611,607
+turn on 877,32 through 978,815
+turn off 950,438 through 974,746
+toggle 426,30 through 609,917
+toggle 696,37 through 859,201
+toggle 242,417 through 682,572
+turn off 388,401 through 979,528
+turn off 79,345 through 848,685
+turn off 98,91 through 800,434
+toggle 650,700 through 972,843
+turn off 530,450 through 538,926
+turn on 428,559 through 962,909
+turn on 78,138 through 92,940
+toggle 194,117 through 867,157
+toggle 785,355 through 860,617
+turn off 379,441 through 935,708
+turn off 605,133 through 644,911
+toggle 10,963 through 484,975
+turn off 359,988 through 525,991
+turn off 509,138 through 787,411
+toggle 556,467 through 562,773
+turn on 119,486 through 246,900
+turn on 445,561 through 794,673
+turn off 598,681 through 978,921
+turn off 974,230 through 995,641
+turn off 760,75 through 800,275
+toggle 441,215 through 528,680
+turn off 701,636 through 928,877
+turn on 165,753 through 202,780
+toggle 501,412 through 998,516
+toggle 161,105 through 657,395
+turn on 113,340 through 472,972
+toggle 384,994 through 663,999
+turn on 969,994 through 983,997
+turn on 519,600 through 750,615
+turn off 363,899 through 948,935
+turn on 271,845 through 454,882
+turn off 376,528 through 779,640
+toggle 767,98 through 854,853
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+turn off 235,899 through 818,932
+turn on 445,611 through 532,705
+toggle 629,387 through 814,577
+toggle 112,414 through 387,421
+toggle 319,184 through 382,203
+turn on 627,796 through 973,940
+toggle 602,45 through 763,151
+turn off 441,375 through 974,545
+toggle 871,952 through 989,998
+turn on 717,272 through 850,817
+toggle 475,711 through 921,882
+toggle 66,191 through 757,481
+turn off 50,197 through 733,656
+toggle 83,575 through 915,728
+turn on 777,812 through 837,912
+turn on 20,984 through 571,994
+turn off 446,432 through 458,648
+turn on 715,871 through 722,890
+toggle 424,675 through 740,862
+toggle 580,592 through 671,900
+toggle 296,687 through 906,775

2015/6/sol.py

@@ -0,0 +1,46 @@
+file = [i.rstrip() for i in open("input").readlines()]
+# create the light array
+lights = [[False for i in range(1000)] for j in range(1000)]
+
+for i in file:
+    offset = False
+    splitted = i.split(" ")
+    command = splitted[0]
+    if splitted[1] in ["on", "off"]:
+        command += splitted[1]
+        offset = True
+
+    if offset:
+        c1 = splitted[2].split(',')
+    else:
+        c1 = splitted[1].split(',')
+
+    if offset:
+        c2 = splitted[4].split(',')
+    else:
+        c2 = splitted[3].split(',')
+
+    print(c1, c2)
+    x = int(c1[0])
+    xc = int(c2[0])
+    y = int(c1[1])
+    yc = int(c2[1])
+    print(command)
+
+    for j in range(xc - x + 1):
+        for k in range(yc - y + 1):
+            pos = (x + j, y + k)
+            if command == "turnon":
+                lights[x + j][y + k] = True
+            if command == "turnoff":
+                lights[x + j][y + k] = False
+            if command == "toggle":
+                lights[x + j][y + k] = not lights[x + j][y + k]
+
+c = 0
+for i in lights:
+    for j in i:
+        if j:
+            c += 1
+
+print(c)

2015/6/sol2.py

@@ -0,0 +1,46 @@
+file = [i.rstrip() for i in open("input").readlines()]
+# create the light array
+lights = [[0 for i in range(1000)] for j in range(1000)]
+
+for i in file:
+    offset = False
+    splitted = i.split(" ")
+    command = splitted[0]
+    if splitted[1] in ["on", "off"]:
+        command += splitted[1]
+        offset = True
+
+    if offset:
+        c1 = splitted[2].split(',')
+    else:
+        c1 = splitted[1].split(',')
+
+    if offset:
+        c2 = splitted[4].split(',')
+    else:
+        c2 = splitted[3].split(',')
+
+    print(c1, c2)
+    x = int(c1[0])
+    xc = int(c2[0])
+    y = int(c1[1])
+    yc = int(c2[1])
+    print(command)
+
+    for j in range(xc - x + 1):
+        for k in range(yc - y + 1):
+            pos = (x + j, y + k)
+            if command == "turnon":
+                lights[x + j][y + k] += 1
+            if command == "turnoff":
+                if not lights[x + j][y + k] == 0:
+                    lights[x + j][y + k] -= 1
+            if command == "toggle":
+                lights[x + j][y + k] += 2
+
+c = 0
+for i in lights:
+    for j in i:
+        c += j
+
+print(c)