Cody

Jiawei Gong

189
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18
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Jiawei Gong received Sequences & Series II Master badge

on 3 Jun 2020

Jiawei Gong received Matrix Manipulation II Master badge

on 14 May 2020

Jiawei Gong submitted a Comment to Problem 1321. Given a 4x4 matrix, swap the two middle columns

Can't understand test case 5. Can you improve this problem description?

on 5 May 2020

Jiawei Gong submitted a Comment to Solution 992732

I used the same formula and failed test 6. I think it's because of the machine error eps. Is that why you had 1e-15 at the end?

on 26 Apr 2020

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