Material cutting problem

topic description

there are N length specifications for raw materials
for example, there are 9 meters and 12 meters

customers need to cut each M root of N specified length L
for example: 1.2m 200m, 1.3m 80root, 1.33m 120root, 1.78m 90root

find out how many pieces of each material are used, how to cut each one, and minimize waste

how should this algorithm be abstracted and analyzed?

C-sharp java javascript python
Jul.14,2022

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MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
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MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-191cb95-2f753.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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