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added problem 39 in py3 #179

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added problem 39 in py3 #179

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b010ad8
added problem 31 in py3
Oct 28, 2019
7ead7fc
added problem 31 in py3
Oct 28, 2019
f87a956
added problem 31 in py3
Oct 28, 2019
c9dbd2b
added problem 39 in py3
Oct 28, 2019
baf911c
added problem 43 in py3
Oct 28, 2019
282efc2
Merge pull request #1 from RisingLight/master
kohzhixin Oct 28, 2019
b1175be
Revert "problem 43 done in py3"
kohzhixin Oct 28, 2019
8247167
Merge pull request #2 from kohzhixin/revert-1-master
kohzhixin Oct 29, 2019
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25 changes: 0 additions & 25 deletions C#/1.Multiples_of_3_and_5/arya-prof.cs
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16 changes: 16 additions & 0 deletions Python/39. Integer right triangles/kohzhixin.py
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Original file line number Diff line number Diff line change
@@ -0,0 +1,16 @@
"""
Problem 39
"""

def solution(max_p):
max_num = 0
for p in range(0, max_p, 2):
c = 0
for a in range(2, int(p/3)):
if (p**2 - 2*p*a) % (2 * (p-a)) == 0:
c += 1
if c > max_num:
max_num = c
return max_num

print(solution(1000))
24 changes: 24 additions & 0 deletions Python/43. Sub-string divisibility/kohzhixin.py
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Original file line number Diff line number Diff line change
@@ -0,0 +1,24 @@
"""
Problem 43
"""

from itertools import permutations

div = [2, 3, 5, 7, 11, 13, 17]

def solution():
total = 0
for i in list(permutations([j for j in range(10)])):
if check_num(i):
total += int("".join([str(n) for n in i]))
return total

def check_num(i):
for j in range(len(div)):
num = i[j+1] * 100 + i[j+2] * 10 + i[j+3]
if num % div[j] != 0:
return False
return True


print(solution())
6 changes: 3 additions & 3 deletions README.md
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Expand Up @@ -68,11 +68,11 @@ Happy Contributing! 😃
| 36 | [Double-base palindromes](https://projecteuler.net/problem=36) | | | | | | | | | | | | |
| 37 | [Truncatable primes](https://projecteuler.net/problem=37) | | | | | | | | | | | | |
| 38 | [Pandigital multiples](https://projecteuler.net/problem=38) | | | | | | | | | | | | |
| 39 | [Integer right triangles](https://projecteuler.net/problem=39) | :white_check_mark: | :white_check_mark: | | | | | | | | | | |
| 39 | [Integer right triangles](https://projecteuler.net/problem=39) | :white_check_mark: | :white_check_mark: | | :white_check_mark: | | | | | | | | |
| 40 | [Champernowne's constant](https://projecteuler.net/problem=40) | | | | :white_check_mark: | | | | | | | | |
| 41 | [Pandigital prime](https://projecteuler.net/problem=41) | | | | :white_check_mark: | | | | | | | | |
| 42 | [Coded triangle numbers](https://projecteuler.net/problem=42) | | | | :white_check_mark: | | | | | | | | |
| 43 | [Sub-string divisibility](https://projecteuler.net/problem=43) | | | | | | | | | | | | |
| 43 | [Sub-string divisibility](https://projecteuler.net/problem=43) | | | | :white_check_mark: | | | | | | | | |
| 44 | [Pentagon numbers](https://projecteuler.net/problem=44) | | | | :white_check_mark: | | | | | | | | |
| 45 | [Triangular, pentagonal, and hexagonal](https://projecteuler.net/problem=45) | | | | :white_check_mark: | | | | | | | | |
| 46 | [Goldbach's other conjecture](https://projecteuler.net/problem=46) | | | | :white_check_mark: | | | | | | | | |
Expand All @@ -81,9 +81,9 @@ Happy Contributing! 😃
| 49 | [Prime permutations](https://projecteuler.net/problem=49) | | | | :white_check_mark: | | | | | | | | |
| 50 | [Consecutive prime sum](https://projecteuler.net/problem=50) | | | | :white_check_mark: | | | :white_check_mark: | | :white_check_mark: | | | |


## Thanks


- Thanks to you all who are doing their best in solving the problems, we appriciate your efforts.
- We thank you all for the overwelming P.R that we have recieved, To mantain the quality and response of the P.R we have updated the
[guidelines](#How-to-contribute).
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