ML

Mihail Lecari

Pro

@mihaillecari · Joined 10/1/2026

6

SOLVED · OF 304

100%

PASS RATE

1

DAY STREAK

#8

RANK

Solved by difficulty

Easy

6 / 119

Medium

0 / 148

Hard

0 / 37

Topic mastery

Algorithm

0 / 69

Basics

6 / 84

Error-handling

0 / 18

Extensibility

0 / 24

Filtering

0 / 27

Integrations

0 / 37

Performance

0 / 20

Transactions

0 / 25

Recent activity

Block Negative Credit Limits

Give Every Batch Its Own Buffer

Add a Custom Field to Customer

Invoice Two Shipments at Once

Delete the Header, Leave No Orphans