# Assigment for university

**URL:** <https://swi-prolog.discourse.group/t/assigment-for-university/5403>\
**Category:** Help!\
**Tags:** swish, how-to\
**Created:** [May 18, 2022, 6:08pm UTC](https://swi-prolog.discourse.group/t/assigment-for-university/5403 "2022-05-18T18:08:11Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![beso96](https://avatars.discourse-cdn.com/v4/letter/b/cc9497/32.png) [@beso96](https://swi-prolog.discourse.group/u/beso96)\
**Post date:** [May 18, 2022, 6:08pm UTC](https://swi-prolog.discourse.group/t/assigment-for-university/5403/1 "2022-05-18T18:08:12Z")

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Hey everyone, I have a problem in solving this assignment for my Prolog class at the university, if anyone could help me I would be thankful 🙂

 ![ass1](https://global.discourse-cdn.com/free1/uploads/swiprolog/original/2X/d/d5a6091a39d86beca31fa2ac0c72c7006b047d1c.png)  
Thanks in advance.

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**Author:** ![brebs](https://avatars.discourse-cdn.com/v4/letter/b/e9c0ed/32.png) [@brebs](https://swi-prolog.discourse.group/u/brebs)\
**Post date:** [May 18, 2022, 8:31pm UTC](https://swi-prolog.discourse.group/t/assigment-for-university/5403/2 "2022-05-18T20:31:03Z")

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See [accumulator version](https://stackoverflow.com/a/19234136/), which has best performance.