|
| 1 | +# -------------------------------- Input data ---------------------------------------- # |
| 2 | +importos,grid,graph,dot,assembly,re,itertools |
| 3 | +fromcollectionsimportCounter,deque,defaultdict |
| 4 | + |
| 5 | +fromcompassimport* |
| 6 | + |
| 7 | + |
| 8 | +# This functions come from https://github.com/mcpower/adventofcode - Thanks! |
| 9 | +deflmap(func,*iterables): |
| 10 | +returnlist(map(func,*iterables)) |
| 11 | + |
| 12 | + |
| 13 | +defints(s:str): |
| 14 | +returnlmap(int,re.findall(r"-?\d+",s))# thanks mserrano! |
| 15 | + |
| 16 | + |
| 17 | +defpositive_ints(s:str): |
| 18 | +returnlmap(int,re.findall(r"\d+",s))# thanks mserrano! |
| 19 | + |
| 20 | + |
| 21 | +deffloats(s:str): |
| 22 | +returnlmap(float,re.findall(r"-?\d+(?:\.\d+)?",s)) |
| 23 | + |
| 24 | + |
| 25 | +defpositive_floats(s:str): |
| 26 | +returnlmap(float,re.findall(r"\d+(?:\.\d+)?",s)) |
| 27 | + |
| 28 | + |
| 29 | +defwords(s:str): |
| 30 | +returnre.findall(r"[a-zA-Z]+",s) |
| 31 | + |
| 32 | + |
| 33 | +test_data= {} |
| 34 | + |
| 35 | +test=1 |
| 36 | +test_data[test]= { |
| 37 | +"input":"""35 |
| 38 | +20 |
| 39 | +15 |
| 40 | +25 |
| 41 | +47 |
| 42 | +40 |
| 43 | +62 |
| 44 | +55 |
| 45 | +65 |
| 46 | +95 |
| 47 | +102 |
| 48 | +117 |
| 49 | +150 |
| 50 | +182 |
| 51 | +127 |
| 52 | +219 |
| 53 | +299 |
| 54 | +277 |
| 55 | +309 |
| 56 | +576""", |
| 57 | +"expected": ["127","62"], |
| 58 | +} |
| 59 | + |
| 60 | +test="real" |
| 61 | +input_file=os.path.join( |
| 62 | +os.path.dirname(__file__), |
| 63 | +"Inputs", |
| 64 | +os.path.basename(__file__).replace(".py",".txt"), |
| 65 | +) |
| 66 | +test_data[test]= { |
| 67 | +"input":open(input_file,"r+").read(), |
| 68 | +"expected": ["1504371145","183278487"], |
| 69 | +} |
| 70 | + |
| 71 | + |
| 72 | +# -------------------------------- Control program execution ------------------------- # |
| 73 | + |
| 74 | +case_to_test="real" |
| 75 | +part_to_test=2 |
| 76 | + |
| 77 | +# -------------------------------- Initialize some variables ------------------------- # |
| 78 | + |
| 79 | +puzzle_input=test_data[case_to_test]["input"] |
| 80 | +puzzle_expected_result=test_data[case_to_test]["expected"][part_to_test-1] |
| 81 | +puzzle_actual_result="Unknown" |
| 82 | + |
| 83 | + |
| 84 | +# -------------------------------- Actual code execution ----------------------------- # |
| 85 | + |
| 86 | +preamble=25ifcase_to_test=="real"else5 |
| 87 | + |
| 88 | +numbers=ints(puzzle_input) |
| 89 | +sums= [] |
| 90 | +forvalsinitertools.combinations(numbers[:preamble],2): |
| 91 | +sums.append(sum(vals)) |
| 92 | + |
| 93 | +i=0 |
| 94 | +whileTrue: |
| 95 | +sums= [] |
| 96 | +forvalsinitertools.combinations(numbers[i :i+preamble],2): |
| 97 | +sums.append(sum(vals)) |
| 98 | +ifnumbers[i+preamble]notinsums: |
| 99 | +puzzle_actual_result=numbers[i+preamble] |
| 100 | +break |
| 101 | +i+=1 |
| 102 | + |
| 103 | +ifpart_to_test==2: |
| 104 | +invalid_number=puzzle_actual_result |
| 105 | +puzzle_actual_result="Unknown" |
| 106 | + |
| 107 | +forainrange(len(numbers)): |
| 108 | +number_sum=numbers[a] |
| 109 | +ifnumber_sum<invalid_number: |
| 110 | +forbinrange(1,len(numbers)-a): |
| 111 | +number_sum+=numbers[a+b] |
| 112 | +print(a,b,number_sum,invalid_number) |
| 113 | +ifnumber_sum==invalid_number: |
| 114 | +puzzle_actual_result=min(numbers[a :a+b+1])+max( |
| 115 | +numbers[a :a+b+1] |
| 116 | + ) |
| 117 | +break |
| 118 | +ifnumber_sum>invalid_number: |
| 119 | +break |
| 120 | +ifpuzzle_actual_result!="Unknown": |
| 121 | +break |
| 122 | + |
| 123 | +# -------------------------------- Outputs / results --------------------------------- # |
| 124 | + |
| 125 | +print("Case :",case_to_test,"- Part",part_to_test) |
| 126 | +print("Expected result : "+str(puzzle_expected_result)) |
| 127 | +print("Actual result : "+str(puzzle_actual_result)) |
| 128 | +# Date created: 2020-12-09 06:14:55.183250 |
| 129 | +# Solve part 1: 2020-12-09 06:20:49 |
| 130 | +# Solve part 2: 2020-12-09 06:29:07 |