') + ')', 'gi'); if (regex.test(text)) { found = true; var frag = document.createDocumentFragment(); var parts = text.split(regex); parts.forEach(function(part, i) { if (i % 2 === 0) { frag.appendChild(document.createTextNode(part)); } else { var span = document.createElement('span'); span.className = 'userscript-highlight'; span.textContent = part; frag.appendChild(span); } }); node.parentNode.replaceChild(frag, node); } }); } else if (node.nodeType === 1 && node.childNodes) { // element var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT']; if (!skipTags.includes(node.tagName)) { Array.from(node.childNodes).forEach(highlight); } } } highlight(document.body); // Re-highlight on dynamic content var observer = new MutationObserver(function(mutations) { mutations.forEach(function(m) { m.addedNodes.forEach(function(node) { if (node.nodeType === 1 || node.nodeType === 3) highlight(node); }); }); }); observer.observe(document.body, { childList: true, subtree: true }); })(); } } catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + ', 'i'); if (__m === '*' || __re.test(location.href)) { // Strip utm_, fbclid, gclid, etc. from all links on page (function() { var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content', 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid', 'ref', 'ref_src', 'source', 'medium', 'campaign']; function cleanUrl(url) { try { var u = new URL(url, window.location.origin); var changed = false; trackingParams.forEach(function(p) { if (u.searchParams.has(p)) { u.searchParams.delete(p); changed = true; } }); return changed ? u.toString() : url; } catch (e) { return url; } } function cleanLinks() { document.querySelectorAll('a[href]').forEach(function(a) { var clean = cleanUrl(a.href); if (clean !== a.href) a.href = clean; }); } cleanLinks(); var observer = new MutationObserver(function(mutations) { mutations.forEach(function(m) { m.addedNodes.forEach(function(node) { if (node.nodeType === 1) { if (node.tagName === 'A') cleanLinks(); node.querySelectorAll('a[href]').forEach(function(a) { var clean = cleanUrl(a.href); if (clean !== a.href) a.href = clean; }); } }); }); }); observer.observe(document.body, { childList: true, subtree: true }); })(); } } catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); } })(); (function(){ try { var __m = "youtube.com"; var __re = new RegExp('^' + "youtube\\.com" + ', 'i'); if (__m === '*' || __re.test(location.href)) { // Auto-enable theater mode on YouTube (function() { function tryTheater() { var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]'); if (btn && !btn.classList.contains('activated')) { btn.click(); } } // Try immediately tryTheater(); // Try after navigation (SPA) var lastUrl = location.href; setInterval(function() { if (location.href !== lastUrl) { lastUrl = location.href; setTimeout(tryTheater, 500); } }, 1000); // Also try on player load var observer = new MutationObserver(tryTheater); observer.observe(document.body, { childList: true, subtree: true }); })(); } } catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + ', 'i'); if (__m === '*' || __re.test(location.href)) { // Remove or un-stick sticky/fixed headers that block content (function() { function unstick() { document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) { if (el.style.position === 'fixed' || el.style.position === 'sticky' || getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') { el.style.position = 'static'; el.style.top = 'auto'; el.style.zIndex = 'auto'; } }); } unstick(); var observer = new MutationObserver(unstick); observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] }); })(); } } catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); } })(); })(); Add Josephus Problem by aqib-m31 · Pull Request #10928 · TheAlgorithms/Python · GitHub
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Add Josephus Problem - #10928

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cclauss merged 6 commits into
TheAlgorithms:masterfrom
aqib-m31:josephus_problem
Oct 29, 2023
Merged

Add Josephus Problem#10928
cclauss merged 6 commits into
TheAlgorithms:masterfrom
aqib-m31:josephus_problem

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@aqib-m31

@aqib-m31aqib-m31 commented Oct 25, 2023•
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Describe your change:

Added Josephus Problem.

  • Add an algorithm?
  • Fix a bug or typo in an existing algorithm?
  • Add or change doctests? -- Note: Please avoid changing both code and tests in a single pull request.
  • Documentation change?

Checklist:

  • I have read CONTRIBUTING.md.
  • This pull request is all my own work -- I have not plagiarized.
  • I know that pull requests will not be merged if they fail the automated tests.
  • This PR only changes one algorithm file. To ease review, please open separate PRs for separate algorithms.
  • All new Python files are placed inside an existing directory.
  • All filenames are in all lowercase characters with no spaces or dashes.
  • All functions and variable names follow Python naming conventions.
  • All function parameters and return values are annotated with Python type hints.
  • All functions have doctests that pass the automated testing.
  • All new algorithms include at least one URL that points to Wikipedia or another similar explanation.
  • If this pull request resolves one or more open issues then the description above includes the issue number(s) with a closing keyword: "Fixes #ISSUE-NUMBER".

@algorithms-keeperalgorithms-keeperBot added the require descriptive names This PR needs descriptive function and/or variable names label Oct 25, 2023
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Click here to look at the relevant links ⬇️

🔗 Relevant Links

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Python:

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Comment threadmaths/josephus_problem.py Outdated
Comment threadmaths/josephus_problem.py Outdated
Comment threadmaths/josephus_problem.py Outdated
@algorithms-keeperalgorithms-keeperBot added the awaiting reviews This PR is ready to be reviewed label Oct 25, 2023
@algorithms-keeperalgorithms-keeperBot removed the require descriptive names This PR needs descriptive function and/or variable names label Oct 25, 2023
@aqib-m31

aqib-m31 commented Oct 25, 2023

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@tianyizheng02

cclauss
cclauss reviewed Oct 27, 2023
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Comment threadmaths/josephus_problem.py Outdated
@aqib-m31aqib-m31 mentioned this pull request Oct 29, 2023
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@cclausscclauss added the awaiting changes A maintainer has requested changes to this PR label Oct 29, 2023
@cclausscclauss self-assigned this Oct 29, 2023
@algorithms-keeperalgorithms-keeperBot added the tests are failing Do not merge until tests pass label Oct 29, 2023
@algorithms-keeperalgorithms-keeperBot removed awaiting changes A maintainer has requested changes to this PR tests are failing Do not merge until tests pass labels Oct 29, 2023
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aqib-m31 commented Oct 29, 2023

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All set! @cclauss

@cclauss
cclauss enabled auto-merge (squash) October 29, 2023 16:41
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josephus_recursive(996, 1) # RecursionError on my machine

josephus_iterative(996, 1) # Works just fine

@cclauss
cclauss merged commit be60f42 into TheAlgorithms:masterOct 29, 2023
@algorithms-keeperalgorithms-keeperBot removed the awaiting reviews This PR is ready to be reviewed label Oct 29, 2023
@isidroasisidroas mentioned this pull request Jan 25, 2025
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