li haitao submitted Solution 4590063 to Problem 45460. Simple Matrix

on 13 Jan 2021 at 12:02

li haitao received Community Group Solver badge for Lights Out

on 13 Jan 2021 at 9:46

li haitao submitted Solution 4589083 to Problem 44764. Lights Out 10 - 5x5, with wrapping, 6 moves

on 13 Jan 2021 at 9:46

li haitao submitted Solution 4589073 to Problem 44765. Lights Out 11 - 5x5, with wrapping, x moves

on 13 Jan 2021 at 9:43

li haitao submitted Solution 4588823 to Problem 44761. Lights Out 9 - 5x5, light-only solution? II

on 13 Jan 2021 at 9:09

li haitao submitted Solution 4588808 to Problem 44760. Lights Out 8 - 5x5, light-only solution? I

on 13 Jan 2021 at 9:07

li haitao submitted Solution 4588653 to Problem 44766. Lights Out 12 - 5x5, three stages, <7 moves

on 13 Jan 2021 at 8:45

li haitao submitted Solution 4588623 to Problem 44769. Lights Out 14 - 5x5, four stages, x moves

on 13 Jan 2021 at 8:41

li haitao submitted Solution 4588588 to Problem 44767. Lights Out 13 - 5x5, three stages, x moves

on 13 Jan 2021 at 8:37

li haitao submitted Solution 4588273 to Problem 44776. Lights Out 15 - 5x5, broken buttons I

on 13 Jan 2021 at 8:12

li haitao submitted Solution 4588188 to Problem 44759. Lights Out 7 - 5x5, x moves

on 13 Jan 2021 at 8:01

li haitao received Community Group Solver badge for Big Numbers

on 13 Jan 2021 at 6:38

li haitao submitted Solution 4587583 to Problem 42394. It's going down. We're finding simbers!

on 13 Jan 2021 at 6:38

li haitao submitted Solution 4587563 to Problem 44733. Large Sum (inspired by Project Euler 13)

on 13 Jan 2021 at 6:29

li haitao submitted Solution 4587533 to Problem 252. Project Euler: Problem 16, Sums of Digits of Powers of Two

on 13 Jan 2021 at 6:14

li haitao submitted Solution 4587518 to Problem 44341. Hexagonal numbers on a spiral matrix

on 13 Jan 2021 at 5:57

li haitao submitted Solution 4587478 to Problem 42935. Sums of cubes and squares of sums

on 13 Jan 2021 at 5:41

li haitao submitted Solution 4587388 to Problem 2337. Sum of big primes without primes

on 13 Jan 2021 at 5:29

li haitao submitted Solution 4587383 to Problem 1253. Infinite precision division

on 13 Jan 2021 at 5:26

li haitao submitted Solution 4587338 to Problem 553. How to multiply?

on 13 Jan 2021 at 5:16

li haitao received Community Group Solver badge for Basics - Triangles

on 10 Jan 2021 at 8:53

li haitao submitted Solution 4569383 to Problem 43599. Find the sides of an isosceles triangle when given its area and height from its base to apex

on 10 Jan 2021 at 8:53

li haitao submitted Solution 4569373 to Problem 42855. Height of a right-angled triangle

on 10 Jan 2021 at 8:48

li haitao submitted Solution 4569368 to Problem 1103. Right Triangle Side Lengths (Inspired by Project Euler Problem 39)

on 10 Jan 2021 at 8:44

li haitao received Community Group Solver badge for Basics - Prime Numbers

on 10 Jan 2021 at 8:36

li haitao submitted Solution 4569358 to Problem 2910. Mersenne Primes vs. All Primes

on 10 Jan 2021 at 8:36

li haitao submitted Solution 4569298 to Problem 1095. Circular Primes (based on Project Euler, problem 35)

on 10 Jan 2021 at 8:27

li haitao received Community Group Solver badge for Basics - Binary Logic

on 8 Jan 2021 at 6:38

li haitao submitted Solution 4558523 to Problem 2678. Find out sum and carry of Binary adder

on 8 Jan 2021 at 6:38

li haitao received Community Group Solver badge for Basics - Fibonacci

on 8 Jan 2021 at 6:31

li haitao submitted Solution 4558493 to Problem 2423. Integer Sequence - II : New Fibonacci

on 8 Jan 2021 at 6:31

li haitao submitted Solution 4558353 to Problem 43294. Can we make a triangle?

on 8 Jan 2021 at 5:51

li haitao submitted Solution 4558283 to Problem 1722. Find the next prime number

on 8 Jan 2021 at 5:48

li haitao submitted Solution 4558208 to Problem 43016. Find the next Fibonacci number

on 8 Jan 2021 at 5:35

li haitao submitted Solution 4558163 to Problem 2869. There are 10 types of people in the world

on 8 Jan 2021 at 5:23

li haitao submitted Solution 4558148 to Problem 43977. Converting binary to decimals

on 8 Jan 2021 at 5:17

li haitao submitted Solution 4558143 to Problem 2891. Binary code (array)

on 8 Jan 2021 at 5:14

li haitao received Community Group Solver badge for All Things Fibonacci

on 8 Jan 2021 at 5:12

li haitao submitted Solution 4558138 to Problem 8057. (Linear) Recurrence Equations - Generalised Fibonacci-like sequences

on 8 Jan 2021 at 5:12

li haitao submitted Solution 4557763 to Problem 752. Is X a Fibonacci Matrix?

on 8 Jan 2021 at 3:31

li haitao submitted Solution 4557733 to Problem 558. Is the Point in a Triangle?

on 8 Jan 2021 at 3:18

li haitao submitted Solution 4524203 to Problem 42340. Fibonacci Decomposition

on 2 Jan 2021 at 4:02

li haitao submitted Solution 4524158 to Problem 44481. How many Fibonacci numbers?

on 2 Jan 2021 at 3:52

li haitao submitted Solution 4524123 to Problem 44952. Find MPG of Lightest Cars

on 2 Jan 2021 at 3:42

li haitao submitted Solution 4524108 to Problem 44944. Convert from Fahrenheit to Celsius

on 2 Jan 2021 at 3:37

li haitao submitted Solution 4524103 to Problem 44947. Find the Oldest Person in a Room

on 2 Jan 2021 at 3:36

li haitao submitted Solution 4524098 to Problem 44943. Calculate Amount of Cake Frosting

on 2 Jan 2021 at 3:34

li haitao received Community Group Solver badge for Basics on π

on 2 Jan 2021 at 3:28

li haitao submitted Solution 4524053 to Problem 953. Pi Estimate 1

on 2 Jan 2021 at 3:28

li haitao submitted Solution 4524018 to Problem 2908. Approximation of Pi

on 2 Jan 2021 at 3:22