Li Ding

Li Ding liked Problem 44344. The 5th Root

on 19 Oct 2017

Li Ding submitted Solution 1299772 to Problem 44344. The 5th Root

on 19 Oct 2017

Li Ding submitted Solution 1299770 to Problem 44344. The 5th Root

on 19 Oct 2017

Li Ding liked Problem 18. Bullseye Matrix

on 18 Oct 2017

Li Ding liked Problem 94. Target sorting

on 18 Oct 2017

Li Ding liked Problem 73. Replace NaNs with the number that appears to its left in the row.

on 18 Oct 2017

Li Ding liked Problem 60. The Goldbach Conjecture

on 18 Oct 2017

Li Ding submitted Solution 1297079 to Problem 60. The Goldbach Conjecture

on 18 Oct 2017

Li Ding submitted Solution 1294533 to Problem 44311. Number of Even Elements in Fibonacci Sequence

on 18 Oct 2017

Li Ding submitted Solution 1294529 to Problem 44311. Number of Even Elements in Fibonacci Sequence

on 18 Oct 2017

Li Ding submitted Solution 1294451 to Problem 44315. Predicting life and death of a memory-less light bulb

on 18 Oct 2017

Li Ding submitted Solution 1294441 to Problem 44384. Find the nearest prime number

on 18 Oct 2017

Li Ding submitted Solution 1294402 to Problem 44358. I Plead the Fifth

on 18 Oct 2017

Li Ding submitted Solution 1294357 to Problem 44360. Pentagonal Numbers

on 18 Oct 2017

Li Ding submitted Solution 1294347 to Problem 44321. Van Eck's Sequence's nth member

on 18 Oct 2017

Li Ding submitted Solution 1294342 to Problem 44368. Inscribed Pentagon?

on 18 Oct 2017

Li Ding submitted Solution 1294334 to Problem 44342. Spot the First Occurrence of 5

on 18 Oct 2017

Li Ding submitted Solution 1293873 to Problem 44305. 5 Prime Numbers

on 17 Oct 2017

Li Ding submitted Solution 1293834 to Problem 2736. Pernicious Anniversary Problem

on 17 Oct 2017

Li Ding submitted Solution 1293763 to Problem 361. Energy of a photon

on 17 Oct 2017

Li Ding submitted Solution 1293678 to Problem 564. How to subtract?

on 17 Oct 2017

Li Ding submitted Solution 1260598 to Problem 2. Make the vector [1 2 3 4 5 6 7 8 9 10]

on 1 Sep 2017

Li Ding submitted Solution 1260207 to Problem 27. Pangrams!

on 31 Aug 2017

Li Ding submitted Solution 1260202 to Problem 174. Roll the Dice!

on 31 Aug 2017

Li Ding submitted Solution 1257518 to Problem 68. Kaprekar Steps

on 26 Aug 2017

Li Ding submitted Solution 1257506 to Problem 83. Prime factor digits

on 25 Aug 2017

Li Ding submitted Solution 1257496 to Problem 89. Counting in Finnish

on 25 Aug 2017

Li Ding submitted Solution 1257487 to Problem 39. Which values occur exactly three times?

on 25 Aug 2017

Li Ding submitted Solution 1257485 to Problem 30. Sort a list of complex numbers based on far they are from the origin.

on 25 Aug 2017

Li Ding submitted Solution 1257482 to Problem 10. Determine whether a vector is monotonically increasing

on 25 Aug 2017

Li Ding submitted Solution 1257479 to Problem 10. Determine whether a vector is monotonically increasing

on 25 Aug 2017

Li Ding submitted Solution 1256862 to Problem 20. Summing digits

on 25 Aug 2017

Li Ding submitted Solution 1256860 to Problem 9. Who Has the Most Change?

on 25 Aug 2017

Li Ding submitted Solution 1256857 to Problem 21. Return the 3n+1 sequence for n

on 25 Aug 2017

Li Ding submitted Solution 1256852 to Problem 33. Create times-tables

on 25 Aug 2017

Li Ding submitted Solution 1256846 to Problem 12. Fibonacci sequence

on 25 Aug 2017

Li Ding submitted Solution 1256841 to Problem 4. Make a checkerboard matrix

on 25 Aug 2017

Li Ding submitted Solution 1256785 to Problem 11. Back and Forth Rows

on 24 Aug 2017

Li Ding submitted Solution 1256706 to Problem 189. Sum all integers from 1 to 2^n

on 24 Aug 2017

Li Ding submitted Solution 1256705 to Problem 167. Pizza!

on 24 Aug 2017

Li Ding submitted Solution 1256703 to Problem 149. Is my wife right?

on 24 Aug 2017

Li Ding submitted Solution 1256694 to Problem 32. Most nonzero elements in row

on 24 Aug 2017

Li Ding submitted Solution 1256684 to Problem 14. Find the numeric mean of the prime numbers in a matrix.

on 24 Aug 2017

Li Ding submitted Solution 1256683 to Problem 25. Remove any row in which a NaN appears

on 24 Aug 2017

Li Ding submitted Solution 1256677 to Problem 23. Finding Perfect Squares

on 24 Aug 2017

Li Ding submitted Solution 1256670 to Problem 19. Swap the first and last columns

on 24 Aug 2017

Li Ding submitted Solution 1256667 to Problem 7. Column Removal

on 24 Aug 2017

Li Ding submitted Solution 1256655 to Problem 164. Right and wrong

on 24 Aug 2017

Li Ding submitted Solution 1256647 to Problem 6. Select every other element of a vector

on 24 Aug 2017

Li Ding submitted Solution 1256640 to Problem 8. Add two numbers

on 24 Aug 2017