파이썬으로 수학문제 풀기- 프로젝트 오일러(project euler, 22번부터)

쉬운문제순으로 풀기

문제를 순서대로 풀다보면, 난이도가 꼭 문제순서와는 일치하지 않는것 같습니다. 그래서 푼사람이 많은순대로 풀어보면 동기부여도 되고 막히지 않고, 풀수 있을것 같네요.

1-50번까지
1 Multiples of 3 and 5 762117
2 Even Fibonacci numbers 612116
3 Largest prime factor 438242
6 Sum square difference 400477
5 Smallest multiple 398089
4 Largest palindrome product 389976
7 10001st prime 342777
9 Special Pythagorean triplet 292385
8 Largest product in a series 289405
10 Summation of primes 268146
11 Largest product in a grid 194281
16 Power digit sum 188946
13 Large sum 187266
14 Longest Collatz sequence 186820
12 Highly divisible triangular number 181598
20 Factorial digit sum 165568
15 Lattice paths 154434
25 1000-digit Fibonacci number 129325
17 Number letter counts 125640
21 Amicable numbers 121178
18 Maximum path sum I 120758
19 Counting Sundays 112228
22 Names scores 111880
24 Lexicographic permutations 95549
48 Self powers 95098
30 Digit fifth powers 91245
28 Number spiral diagonals 91046
29 Distinct powers 87080
23 Non-abundant sums 85969
34 Digit factorials 78385
36 Double-base palindromes 74487
27 Quadratic primes 72422
35 Circular primes 70674
31 Coin sums 69817
26 Reciprocal cycles 69312
40 Champernowne's constant 66765
42 Coded triangle numbers 62336
37 Truncatable primes 61151
39 Integer right triangles 60632
33 Digit cancelling fractions 59545
45 Triangular, pentagonal, and hexagonal 59291
32 Pandigital products 58835
41 Pandigital prime 56422
38 Pandigital multiples 52087
50 Consecutive prime sum 51452
46 Goldbach's other conjecture 50599
43 Sub-string divisibility 49209
44 Pentagon numbers 47829
47 Distinct primes factors 47801
49 Prime permutations 47781

 

51번부터 100번까지

 

67 Maximum path sum II 81259
52 Permuted multiples 54457
53 Combinatoric selections 49095
56 Powerful digit sum 48397
55 Lychrel numbers 44660
97 Large non-Mersenne prime 37111
63 Powerful digit counts 35557
79 Passcode derivation 35234
92 Square digit chains 34888
59 XOR decryption 34451
57 Square root convergents 34003
58 Spiral primes 32920
54 Poker hands 29008
81 Path sum: two ways 28594
69 Totient maximum 28048
51 Prime digit replacements 27014
62 Cubic permutations 25409
99 Largest exponential 25234
65 Convergents of e 24603
71 Ordered fractions 23755
76 Counting summations 23407
74 Digit factorial chains 21802
60 Prime pair sets 21176
73 Counting fractions in a range 20640
61 Cyclical figurate numbers 20589
85 Counting rectangles 20316
70 Totient permutation 18153
72 Counting fractions 18146
64 Odd period square roots 17894
89 Roman numerals 17782
82 Path sum: three ways 17366
87 Prime power triples 17008
68 Magic 5-gon ring 16824
80 Square root digital expansion 16217
66 Diophantine equation 15906
77 Prime summations 15432
83 Path sum: four ways 14850
75 Singular integer right triangles 14498
96 Su Doku 13754
78 Coin partitions 13580
100 Arranged probability 13050
91 Right triangles with integer coordinates 12540
95 Amicable chains 11429
86 Cuboid route 10236
84 Monopoly odds 10115
94 Almost equilateral triangles 9800
93 Arithmetic expressions 9381
98 Anagramic squares 9041
90 Cube digit pairs 8902
88 Product-sum numbers 7925

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