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< p > < a href = "/files/c/bonuses/08.tar.gz" target = "_blank" rel = "noopener noreferrer" > Source< / a > < / p >
< h2 class = "anchor anchorWithStickyNavbar_LWe7" id = "introduction" > Introduction< a href = "#introduction" class = "hash-link" aria-label = "Direct link to Introduction" title = "Direct link to Introduction" > < / a > < / h2 >
< p > In this bonus you can implement two tasks, one of them has a bonus part with generic
solution.< / p >
< p > One is focused on counting ananas or in case of generic version any substring in
the file, but with a restriction on the function you use.< / p >
< p > Other one has a more algorithmic spirit.< / p >
< p > For this bonus you can get at maximum 2.5 K₡.< / p >
< h2 class = "anchor anchorWithStickyNavbar_LWe7" id = "warning" > Warning< a href = "#warning" class = "hash-link" aria-label = "Direct link to Warning" title = "Direct link to Warning" > < / a > < / h2 >
< p > < strong > DO NOT COMMIT test data< / strong > to your own git repository, since the tests include
files that exceed 10MB by themselves. Even if they are on separate branch, they
take up the space.< / p >
< h2 class = "anchor anchorWithStickyNavbar_LWe7" id = "testing" > Testing< a href = "#testing" class = "hash-link" aria-label = "Direct link to Testing" title = "Direct link to Testing" > < / a > < / h2 >
< p > For testing you are provided with python script (requires < code > click< / code > to be installed:
< code > pip3 install --user click< / code > ) and < code > Makefile< / code > that provides following targets:< / p >
< ul >
< li > < code > check-counting< / code > - runs the < code > counting< / code > tests< / li >
< li > < code > check-counting-bonus< / code > - runs the < code > counting< / code > tests with bonus implemented< / li >
< li > < code > check< / code > - runs both < code > counting< / code > and < code > counting-bonus< / code > tests< / li >
< li > < code > clean< / code > - removes output files from the test runs< / li >
< / ul >
< h2 class = "anchor anchorWithStickyNavbar_LWe7" id = "task-no-1-counting-075-k" > Task no. 1: Counting (0.75 K₡)< a href = "#task-no-1-counting-075-k" class = "hash-link" aria-label = "Direct link to Task no. 1: Counting (0.75 K₡)" title = "Direct link to Task no. 1: Counting (0.75 K₡)" > < / a > < / h2 >
< p > Your first task is to make smallish program that counts occurences of specific
(or given) word from file and writes the number to other file.< / p >
< p > Usage of the program is:< / p >
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< div class = "codeBlockContainer_Ckt0 theme-code-block" style = "--prism-color:#393A34;--prism-background-color:#f6f8fa" > < div class = "codeBlockContent_biex" > < pre tabindex = "0" class = "prism-code language-text codeBlock_bY9V thin-scrollbar" style = "color:#393A34;background-color:#f6f8fa" > < code class = "codeBlockLines_e6Vv" > < span class = "token-line" style = "color:#393A34" > < span class = "token plain" > Usage: ./counting < input-file> < output-file> [string-to-be-counted]< / span > < br > < / span > < / code > < / pre > < div class = "buttonGroup__atx" > < button type = "button" aria-label = "Copy code to clipboard" title = "Copy" class = "clean-btn" > < span class = "copyButtonIcons_eSgA" aria-hidden = "true" > < svg viewBox = "0 0 24 24" class = "copyButtonIcon_y97N" > < path fill = "currentColor" d = "M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z" > < / path > < / svg > < svg viewBox = "0 0 24 24" class = "copyButtonSuccessIcon_LjdS" > < path fill = "currentColor" d = "M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z" > < / path > < / svg > < / span > < / button > < / div > < / div > < / div >
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< p > Arguments that are passed to the program represent:< / p >
< ul >
< li > < code > < input-file> < / code > - path to the file where we count the words< / li >
< li > < code > < output-file> < / code > - path to the file where we output the count< / li >
< li > (optional argument) < code > [string-to-be-counted]< / code > - in case you implement bonus,
otherwise we default to word < code > ananas< / code > ;)< / li >
< / ul >
< p > In skeleton you are given 3 empty, but documented, functions to implement.< / p >
< ol >
< li > < code > count_anything< / code > - function accepts input file and substring to be counted in
the file, returns the count.< / li >
< li > < code > count_ananas< / code > - same as < code > count_anything< / code > , but specialized for ananases, the
default implementation from the skeleton expects you to implement < code > count_anything< / code >
and therefore it just calls the other function.< / li >
< li > < code > write_number< / code > - function that writes the number to the file, why would you
need the function is explained later :)< / li >
< / ol >
< h3 class = "anchor anchorWithStickyNavbar_LWe7" id = "requirements" > Requirements< a href = "#requirements" class = "hash-link" aria-label = "Direct link to Requirements" title = "Direct link to Requirements" > < / a > < / h3 >
< p > For manipulation with the files you are only allowed to use < code > fopen< / code > , < code > fclose< / code > ,
< code > fgetc< / code > and < code > fputc< / code > . Functions like < code > fprintf< / code > (except for < code > stderr< / code > or logging) and
< code > fscanf< / code > are < strong > forbidden< / strong > .< / p >
< p > In case you struggle and want to use one of those functions, the solution will be
penalized by 50% of points.< / p >
< h3 class = "anchor anchorWithStickyNavbar_LWe7" id = "bonus-part-075-k" > Bonus part (0.75 K₡)< a href = "#bonus-part-075-k" class = "hash-link" aria-label = "Direct link to Bonus part (0.75 K₡)" title = "Direct link to Bonus part (0.75 K₡)" > < / a > < / h3 >
< p > Bonus part of this assignment is to implement < code > count_anything< / code > rather than < code > count_ananas< / code > .< / p >
< blockquote >
< p > Smaller hint: This task does not need dynamic allocation :) You just need one
good helper function and the right idea ;)< / p >
< / blockquote >
< h2 class = "anchor anchorWithStickyNavbar_LWe7" id = "task-no-2-weird-trees-1-k" > Task no. 2: Weird trees (1 K₡)< a href = "#task-no-2-weird-trees-1-k" class = "hash-link" aria-label = "Direct link to Task no. 2: Weird trees (1 K₡)" title = "Direct link to Task no. 2: Weird trees (1 K₡)" > < / a > < / h2 >
< p > In this task we are crossing our paths with < em > algorithms and data structures< / em > .
Your task is to write a program that constructs tree from the file that is given
as an argument and pretty-prints it.< / p >
< p > Input file consists of lines, that include < code > key< / code > and < code > rank< / code > in form < code > key;rank< / code >
or < code > nil< / code > . Why would we have < code > nil< / code > in a file? The file represents pre-order iteration
through the tree. Leaves never have rank different than 0, so you can safely assume
2 non-existing < code > nil< / code > s in the input after you read such node ;)< / p >
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< table > < tr > < th > Example input file< / th > < th > Tree it represents< / th > < / tr > < tr > < td > < div class = "codeBlockContainer_Ckt0 theme-code-block" style = "--prism-color:#393A34;--prism-background-color:#f6f8fa" > < div class = "codeBlockContent_biex" > < pre tabindex = "0" class = "prism-code language-text codeBlock_bY9V thin-scrollbar" style = "color:#393A34;background-color:#f6f8fa" > < code class = "codeBlockLines_e6Vv" > < span class = "token-line" style = "color:#393A34" > < span class = "token plain" > 8;4< / span > < br > < / span > < span class = "token-line" style = "color:#393A34" > < span class = "token plain" > 5;3< / span > < br > < / span > < span class = "token-line" style = "color:#393A34" > < span class = "token plain" > 3;2< / span > < br > < / span > < span class = "token-line" style = "color:#393A34" > < span class = "token plain" > 2;1< / span > < br > < / span > < span class = "token-line" style = "color:#393A34" > < span class = "token plain" > 1;0< / span > < br > < / span > < span class = "token-line" style = "color:#393A34" > < span class = "token plain" > nil< / span > < br > < / span > < span class = "token-line" style = "color:#393A34" > < span class = "token plain" > 4;0< / span > < br > < / span > < span class = "token-line" style = "color:#393A34" > < span class = "token plain" > 7;1< / span > < br > < / span > < span class = "token-line" style = "color:#393A34" > < span class = "token plain" > 6;0< / span > < br > < / span > < span class = "token-line" style = "color:#393A34" > < span class = "token plain" > nil< / span > < br > < / span > < span class = "token-line" style = "color:#393A34" > < span class = "token plain" > 11;2< / span > < br > < / span > < span class = "token-line" style = "color:#393A34" > < span class = "token plain" > 10;1< / span > < br > < / span > < span class = "token-line" style = "color:#393A34" > < span class = "token plain" > 9;0< / span > < br > < / span > < span class = "token-line" style = "color:#393A34" > < span class = "token plain" > nil< / span > < br > < / span > < span class = "token-line" style = "color:#393A34" > < span class = "token plain" > 12;0< / span > < br > < / span > < / code > < / pre > < div class = "buttonGroup__atx" > < button type = "button" aria-label = "Copy code to clipboard" title = "Copy" class = "clean-btn" > < span class = "copyButtonIcons_eSgA" aria-hidden = "true" > < svg viewBox = "0 0 24 24" class = "copyButtonIcon_y97N" > < path fill = "currentColor" d = "M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z" > < / path > < / svg > < svg viewBox = "0 0 24 24" class = "copyButtonSuccessIcon_LjdS" > < path fill = "currentColor" d = "M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z" > < / path > < / svg > < / span > < / button > < / div > < / div > < / div > < / td > < td > < p > < img loading = "lazy" alt = "tree" src = "/assets/images/tree-c9e37f87f9095c00fad33ea034485ce6.png" width = "633" height = "684" class = "img_ev3q" > < / p > < / td > < / tr > < / table >
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< p > In this task you are only provided with different trees in the < code > test-trees< / code > directory.
Implementation and format of the pretty-print is totally up to you. :)< / p >
< p > Example of mine for the tree above:< / p >
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< div class = "codeBlockContainer_Ckt0 theme-code-block" style = "--prism-color:#393A34;--prism-background-color:#f6f8fa" > < div class = "codeBlockContent_biex" > < pre tabindex = "0" class = "prism-code language-text codeBlock_bY9V thin-scrollbar" style = "color:#393A34;background-color:#f6f8fa" > < code class = "codeBlockLines_e6Vv" > < span class = "token-line" style = "color:#393A34" > < span class = "token plain" > 8 (rank = 4)< / span > < br > < / span > < span class = "token-line" style = "color:#393A34" > < span class = "token plain" > +-- 5 (rank = 3)< / span > < br > < / span > < span class = "token-line" style = "color:#393A34" > < span class = "token plain" > | +-- 3 (rank = 2)< / span > < br > < / span > < span class = "token-line" style = "color:#393A34" > < span class = "token plain" > | | +-- 2 (rank = 1)< / span > < br > < / span > < span class = "token-line" style = "color:#393A34" > < span class = "token plain" > | | | +-- 1 (rank = 0)< / span > < br > < / span > < span class = "token-line" style = "color:#393A34" > < span class = "token plain" > | | +-- 4 (rank = 0)< / span > < br > < / span > < span class = "token-line" style = "color:#393A34" > < span class = "token plain" > | +-- 7 (rank = 1)< / span > < br > < / span > < span class = "token-line" style = "color:#393A34" > < span class = "token plain" > | +-- 6 (rank = 0)< / span > < br > < / span > < span class = "token-line" style = "color:#393A34" > < span class = "token plain" > +-- 11 (rank = 2)< / span > < br > < / span > < span class = "token-line" style = "color:#393A34" > < span class = "token plain" > +-- 10 (rank = 1)< / span > < br > < / span > < span class = "token-line" style = "color:#393A34" > < span class = "token plain" > | +-- 9 (rank = 0)< / span > < br > < / span > < span class = "token-line" style = "color:#393A34" > < span class = "token plain" > +-- 12 (rank = 0)< / span > < br > < / span > < / code > < / pre > < div class = "buttonGroup__atx" > < button type = "button" aria-label = "Copy code to clipboard" title = "Copy" class = "clean-btn" > < span class = "copyButtonIcons_eSgA" aria-hidden = "true" > < svg viewBox = "0 0 24 24" class = "copyButtonIcon_y97N" > < path fill = "currentColor" d = "M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z" > < / path > < / svg > < svg viewBox = "0 0 24 24" class = "copyButtonSuccessIcon_LjdS" > < path fill = "currentColor" d = "M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z" > < / path > < / svg > < / span > < / button > < / div > < / div > < / div >
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< blockquote >
< p > Can you find out what are those trees? :)< / p >
< / blockquote >
< h2 class = "anchor anchorWithStickyNavbar_LWe7" id = "submitting" > Submitting< a href = "#submitting" class = "hash-link" aria-label = "Direct link to Submitting" title = "Direct link to Submitting" > < / a > < / h2 >
< p > In case you have any questions, feel free to reach out to me.< / p >
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< hr > < / div > < footer class = "theme-doc-footer docusaurus-mt-lg" > < div class = "theme-doc-footer-edit-meta-row row" > < div class = "col" > < a href = "https://github.com/mfocko/blog/tree/main/c/bonuses/08.md" target = "_blank" rel = "noopener noreferrer" class = "theme-edit-this-page" > < svg fill = "currentColor" height = "20" width = "20" viewBox = "0 0 40 40" class = "iconEdit_Z9Sw" aria-hidden = "true" > < g > < path d = "m34.5 11.7l-3 3.1-6.3-6.3 3.1-3q0.5-0.5 1.2-0.5t1.1 0.5l3.9 3.9q0.5 0.4 0.5 1.1t-0.5 1.2z m-29.5 17.1l18.4-18.5 6.3 6.3-18.4 18.4h-6.3v-6.2z" > < / path > < / g > < / svg > Edit this page< / a > < / div > < div class = "col lastUpdated_vwxv" > < span class = "theme-last-updated" > Last updated<!-- --> on < b > < time datetime = "2023-12-28T17:53:44.000Z" > Dec 28, 2023< / time > < / b > < / span > < / div > < / div > < / footer > < / article > < nav class = "pagination-nav docusaurus-mt-lg" aria-label = "Docs pages" > < a class = "pagination-nav__link pagination-nav__link--prev" href = "/c/bonuses/seminar-05-06/" > < div class = "pagination-nav__sublabel" > Previous< / div > < div class = "pagination-nav__label" > 5th and 6th seminar< / div > < / a > < a class = "pagination-nav__link pagination-nav__link--next" href = "/c/bonuses/seminar-10/" > < div class = "pagination-nav__sublabel" > Next< / div > < div class = "pagination-nav__label" > 10th seminar< / div > < / a > < / nav > < / div > < / div > < div class = "col col--3" > < div class = "tableOfContents_bqdL thin-scrollbar theme-doc-toc-desktop" > < ul class = "table-of-contents table-of-contents__left-border" > < li > < a href = "#introduction" class = "table-of-contents__link toc-highlight" > Introduction< / a > < / li > < li > < a href = "#warning" class = "table-of-contents__link toc-highlight" > Warning< / a > < / li > < li > < a href = "#testing" class = "table-of-contents__link toc-highlight" > Testing< / a > < / li > < li > < a href = "#task-no-1-counting-075-k" class = "table-of-contents__link toc-highlight" > Task no. 1: Counting (0.75 K₡)< / a > < ul > < li > < a href = "#requirements" class = "table-of-contents__link toc-highlight" > Requirements< / a > < / li > < li > < a href = "#bonus-part-075-k" class = "table-of-contents__link toc-highlight" > Bonus part (0.75 K₡)< / a > < / li > < / ul > < / li > < li > < a href = "#task-no-2-weird-trees-1-k" class = "table-of-contents__link toc-highlight" > Task no. 2: Weird trees (1 K₡)< / a > < / li > < li > < a href = "#submitting" class = "table-of-contents__link toc-highlight" > Submitting< / a > < / li > < / ul > < / div > < / div > < / div > < / div > < / main > < / div > < / div > < / div > < footer class = "footer footer--dark" > < div class = "container container-fluid" > < div class = "row footer__links" > < div class = "col footer__col" > < div class = "footer__title" > Git< / div > < ul class = "footer__items clean-list" > < li class = "footer__item" > < a href = "https://github.com/mfocko" target = "_blank" rel = "noopener noreferrer" class = "footer__link-item" > GitHub< svg width = "13.5" height = "13.5" aria-hidden = "true" viewBox = "0 0 24 24" class = "iconExternalLink_nPIU" > < path fill = "currentColor" d = "M21 13v10h-21v-19h12v2h-10v15h17v-8h2zm3-12h-10.988l4.035 4-6.977 7.07 2.828 2.828 6.977-7.07 4.125 4.172v-11z" > < / path > < / svg > < / a > < / li > < li class = "footer__item" > < a href = "https://gitlab.com/mfocko" target = "_blank" rel = "noopener noreferrer" class = "footer__link-item" > GitLab< svg width = "13.5" height = "13.5" aria-hidden = "true" viewBox = "0 0 24 24" class = "iconExternalLink_nPIU" > < path fill = "currentColor" d = "M21 13v10h-21v-19h12v2h-10v15h17v-8h2zm3-12h-10.988l4.035 4-6.977 7.07 2.828 2.828 6.977-7.07 4.125 4.172v-11z" > < / path > < / svg > < / a > < / li > < li class = "footer__item" > < a href = "https://git.mfocko.xyz/mfocko" target = "_blank" rel = "noopener noreferrer" class = "footer__link-item" > Gitea (self-hosted)< svg width = "13.5" height = "13.5" aria-hidden = "true" viewBox = "0 0 24 24" class = "iconExternalLink_nPIU" > < path fill = "currentColor" d = "M21 13v10h-21v-19h12v2h-10v15h17v-8h2zm3-12h-10.988l4.035 4-6.977 7.07 2.828 2.828 6.977-7.07 4.125 4.172v-11z" > < / path > < / svg > < / a > < / li > < / ul > < / div > < div class = "col footer__col" > < div class = "footer__title" > Social #1< / div > < ul class = "footer__items clean-list" > < li class = "footer__item" > < a href = "https://www.linkedin.com/in/mfocko/" target = "_blank" rel = "noopener noreferrer" class = "footer__link-item" > LinkedIn< svg width = "13.5" height = "13.5" aria-hidden = "true" viewBox = "0 0 24 24" class = "iconExternalLink_nPIU" > < path fill = "current
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