Qi Zhang

Qi Zhang submitted a Comment to Problem 44339. Recaman Sequence - II

I met the problem too. Should we use some mathematical characters of the sequence to improve our codes? I'm not quite sure.

on 1 Jan 2018

Qi Zhang submitted Solution 1400055 to Problem 44368. Inscribed Pentagon?

on 1 Jan 2018

Qi Zhang liked Problem 44375. Missing five

on 1 Jan 2018

Qi Zhang submitted Solution 1400052 to Problem 44375. Missing five

on 1 Jan 2018

Qi Zhang submitted Solution 1399674 to Problem 44369. Circle/Pentagon Overlap

on 31 Dec 2017

Qi Zhang submitted Solution 1399670 to Problem 44338. Recaman Sequence - I

on 31 Dec 2017

Qi Zhang submitted Solution 1399663 to Problem 44319. Write c^3 as sum of two squares a^2+b^2

on 31 Dec 2017

Qi Zhang submitted Solution 1399651 to Problem 44315. Predicting life and death of a memory-less light bulb

on 31 Dec 2017

Qi Zhang submitted Solution 1399649 to Problem 44315. Predicting life and death of a memory-less light bulb

on 31 Dec 2017

Qi Zhang submitted Solution 1399644 to Problem 44358. I Plead the Fifth

on 31 Dec 2017

Qi Zhang submitted Solution 1399642 to Problem 44342. Spot the First Occurrence of 5

on 31 Dec 2017

Qi Zhang submitted Solution 1399613 to Problem 44370. Octoberfest festival

on 31 Dec 2017

Qi Zhang submitted Solution 1399588 to Problem 44321. Van Eck's Sequence's nth member

on 31 Dec 2017

Qi Zhang submitted Solution 1398428 to Problem 44314. A Simple Tide Gauge with MATLAB

on 30 Dec 2017

Qi Zhang submitted Solution 1398397 to Problem 44307. The glass half full

on 30 Dec 2017

Qi Zhang submitted Solution 1398370 to Problem 44384. Find the nearest prime number

on 30 Dec 2017

Qi Zhang liked Problem 44380. ASCII Birthday Cake

on 30 Dec 2017

Qi Zhang submitted Solution 1398359 to Problem 44380. ASCII Birthday Cake

on 30 Dec 2017

Qi Zhang received Promoter badge for Problem 44306. Is it really a 5?

on 30 Dec 2017

Qi Zhang liked Problem 44306. Is it really a 5?

on 30 Dec 2017

Qi Zhang submitted Solution 1398329 to Problem 44306. Is it really a 5?

on 30 Dec 2017

Qi Zhang submitted Solution 1398290 to Problem 44363. Is this is a Tic Tac Toe X Win?

on 30 Dec 2017

Qi Zhang submitted Solution 1398285 to Problem 44385. Extra safe primes

on 30 Dec 2017

Qi Zhang submitted Solution 1398246 to Problem 44305. 5 Prime Numbers

on 30 Dec 2017

Qi Zhang submitted Solution 1398225 to Problem 369. Basic electricity in a dry situation

on 30 Dec 2017

Qi Zhang submitted Solution 1397537 to Problem 44360. Pentagonal Numbers

on 29 Dec 2017

Qi Zhang received Commenter badge for Solution 1397486

on 29 Dec 2017

Qi Zhang submitted a Comment to Solution 1397486

I tried dozens of times, it didn't work at all. Finally, I passed the test by submitting 3 seconds in advance.

on 29 Dec 2017

Qi Zhang submitted Solution 1397486 to Problem 44349. Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock.

on 29 Dec 2017

Qi Zhang submitted Solution 1397287 to Problem 2736. Pernicious Anniversary Problem

on 29 Dec 2017

Qi Zhang submitted Solution 1397260 to Problem 361. Energy of a photon

on 29 Dec 2017

Qi Zhang submitted Solution 1397248 to Problem 564. How to subtract?

on 29 Dec 2017

Qi Zhang received Solver badge for Solution 1389289

on 21 Dec 2017

Qi Zhang submitted Solution 1389289 to Problem 167. Pizza!

on 21 Dec 2017

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