100days 100problems

100days 100problems

Project Euler

Quarantine Challenge

Day 001: 01.07.2020
3.52AM Wednesday
Challenge just started next morning; inshallah coding will start.

6.10PM Wednesday
I had two examination at morning.
For this challenge I wanted to choose python because I have almost zero experience. Through this project I will gain some basic idea about python. Let’s start…

Problem 001: Multiples of 3 and 5 https://projecteuler.net/problem=1 solved
Code: ____ 


Problem 002: Even Fibonacci Number https://projecteuler.net/problem=2 solved
Code: ____

Day 002: 02.07.2020

1.29PM Thursday

Problem 003: Largest Prime Factor https://projecteuler.net/problem=3  solved

Code:_____

Journal:

• Function have to declare at the top of program file, And the calling statement must be below the Function definition.
• Unlike C#, imported package name need to added when using classes of this specific package. 
• Example: 

                                 import math
                                 math.sqrt(number)
                                 math.ceil(number)

Day 003: 03.07.2020

12.34AM Friday

Problem 004: Largest Palindrome Product https://projecteuler.net/problem=4 solved

Code: _____

1.31AM Friday

Problem 005: Smallest Multiples https://projecteuler.net/problem=5 solved

Code:_____

5.15AM Friday

Problem 006: Sum Square Difference https://projecteuler.net/problem=6 solved

Code:_____

5.28AM Friday

Problem 007: 10001st Prime Number https://projecteuler.net/problem=7 solved

Code:_____

5.28AM Friday

Problem 008: Largest Product in A Series https://projecteuler.net/problem=8 solved

Code:_____

Day 004: 04.07.2020

10.00PM Saturday

Problem 009: Special Pythagorean Triplet https://projecteuler.net/problem=9 solved

Code:_____

Day 005: 05.07.2020

10.30PM Sunday

Problem 010: Summation of Primes https://projecteuler.net/problem=10  solved

Code:_____

Journal: 

• used xrange in for instead range, it shorten the execution time. 

Day 006: 06.07.2020

10.15PM Monday

Problem 011: Largest Production in a Grid https://projecteuler.net/problem=11 solved

Code:_____

Day 007: 07.07.2020

10.28PM Tuesday

Problem 012: Highly Divisible Triangular Number https://projecteuler.net/problem=12 solved

Code:_____

Journal: 

• First I have no Idea what is Triangular Number, I learnt it first.
• Second tried to figure out the pattern of Triangular Number: 1 3 6 10 15.......
• Third, used brute force, but it takes so much time, So this solution is doable but not acceptable.

Day 008: 08.07.2020

9.45PM Wednesday

Problem 013: Large Sum https://projecteuler.net/problem=13 solved

Code:_____

Day 009: 09.07.2020

11.45PM Thursday

Problem 014: Longest Collatz Sequence https://projecteuler.net/problem=14 solved

Code:_____

Day 010: 10.07.2020

10.45PM Friday

Problem 015: Lattice Pattern https://projecteuler.net/problem=15 solved

Code:_____

Journal: 

• This mathematical problem can easily solved  using this formula: nCr
• n = row + column
• r = row

11.24PM Saturday

Problem 016: Power of Digit Number https://projecteuler.net/problem=16 solved

Code:_____

Journal: 

• Thanks to Python, It can handle enormous large number without extra code.

Day 011: 11.07.2020

10.50PM Saturday

Problem 017: Number of Letter Counts https://projecteuler.net/problem=17 solved

Code:_____

Journal:

• This problem is easy just install python module named: num2words

Day 012: 12.07.2020

11.45PM Sunday

Problem 018: Maximum Path Sum I https://projecteuler.net/problem=18 solved

Code:______

Day 013: 13.07.2020
10.15PM Sunday
Problem 019: Counting Sundays https://projecteuler.net/problem=19 solved
Code:______
Journal: 

• Just a little help of DateTime Library, make this problem easy.

Day 013: 13.07.2020
10.15PM Sunday
Problem 020: Factorial Digit Sum https://projecteuler.net/problem=20 solved
Code:______

Day 013: 13.07.2020
10.30PM Sunday
Problem 021: Amicable Number https://projecteuler.net/problem=21 solved
Code:______

Day 013: 13.07.2020
10.45PM Sunday
Problem 022: Names Scores https://projecteuler.net/problem=22 solved
Code:______

Day 014: 13.07.2020

11.55PM Sunday

Problem 023: Non Abundant Sums https://projecteuler.net/problem=23 solved

Code:______

Day 015: 15.07.2020
10.15PM Sunday
Problem 024: Lexicographic Permutations https://projecteuler.net/problem=24 solved
Code:______
Journal:

• Library imported "itertools" and permutation() method

Day 016: 16.07.2020

9.30PM Thursday

Problem 025: 1000-Digit Fibonacci https://projecteuler.net/problem=25 solved

Code:______

Day 017: 17.07.2020

10.45PM Thursday

Problem 026: Reciprocal Cycles https://projecteuler.net/problem=26 solved

Code:______

Day 018: 18.07.2020

11.27PM Thursday

Problem 027: Quadratic Primes https://projecteuler.net/problem=27 solved

Code:______

Day 019: 19.07.2020

10.35AM Thursday

Problem 028: Number Spiral Diagonals https://projecteuler.net/problem=28 solved

Code:______

Day 020: 20.07.2020

3.00PM Monday

Problem 029: Distinct Power https://projecteuler.net/problem=29 solved

Code:______

Day 021: 21.07.2020

10.10PM Tuesday

Problem 030: Digit Fift Power https://projecteuler.net/problem=30 solved

Code:______

All codes are available Here