--- title: "Sliding Window Algorithm for Tech Interviews - Full Course" source_name: "freeCodeCamp.org" original_url: "https://www.youtube.com/watch?v=tLsoelNl3To" canonical_url: "https://www.traeai.com/articles/9b106840-2625-4fd0-b426-a6261ade07d7" content_type: "video" language: "中文" score: 5 tags: [] published_at: "2026-04-23T12:50:32+00:00" created_at: "2026-04-24T23:13:00.418274+00:00" --- # Sliding Window Algorithm for Tech Interviews - Full Course Canonical URL: https://www.traeai.com/articles/9b106840-2625-4fd0-b426-a6261ade07d7 Original source: https://www.youtube.com/watch?v=tLsoelNl3To ## Summary traeai 为开发者、研究员和内容团队筛选高质量 AI 技术内容，提供摘要、评分、趋势雷达与一键内容产出。 ## Key Takeaways - - - ## Content Title: Sliding Window Algorithm for Tech Interviews - Full Course URL Source: http://www.youtube.com/watch?v=tLsoelNl3To Markdown Content: # Sliding Window Algorithm for Tech Interviews - Full Course - YouTube Back [![Image 1: Meet the line dancing community](https://www.gstatic.com/youtube/img/promos/462a7de0c39c428280f60a340dfcf2cf243600396c1f2a6cb8087b91f29140f4_122x56.webp)](http://www.youtube.com/ "Meet the line dancing community") Skip navigation Search Search with your voice [](http://www.youtube.com/watch?v=tLsoelNl3To) [Sign in](https://accounts.google.com/ServiceLogin?service=youtube&uilel=3&passive=true&continue=https%3A%2F%2Fwww.youtube.com%2Fsignin%3Faction_handle_signin%3Dtrue%26app%3Ddesktop%26hl%3Den%26next%3Dhttps%253A%252F%252Fwww.youtube.com%252Fwatch%253Fv%253DtLsoelNl3To&hl=en&ec=65620) [![Image 2: Meet the line dancing community](https://www.gstatic.com/youtube/img/promos/462a7de0c39c428280f60a340dfcf2cf243600396c1f2a6cb8087b91f29140f4_122x56.webp)](http://www.youtube.com/ "Meet the line dancing community") [](http://www.youtube.com/watch?v=tLsoelNl3To) [](http://www.youtube.com/watch?v=tLsoelNl3To) [](http://www.youtube.com/watch?v=tLsoelNl3To) [](http://www.youtube.com/watch?v=tLsoelNl3To) [Sliding Window Algorithm for Tech Interviews - Full Course](http://www.youtube.com/watch?v=tLsoelNl3To) [](http://www.youtube.com/watch?v=tLsoelNl3To) Tap to unmute 2x [![Image 3](http://www.youtube.com/watch?v=tLsoelNl3To)](http://www.youtube.com/watch?v=tLsoelNl3To) ## Sliding Window Algorithm for Tech Interviews - Full Course freeCodeCamp.org 13,827 views 1 day ago [](http://www.youtube.com/watch?v=tLsoelNl3To) Search Copy link Info Shopping ![Image 4](http://www.youtube.com/watch?v=tLsoelNl3To) [![Image 5](http://www.youtube.com/watch?v=tLsoelNl3To)](http://www.youtube.com/watch?v=tLsoelNl3To) If playback doesn't begin shortly, try restarting your device. • You're signed out Videos you watch may be added to the TV's watch history and influence TV recommendations. 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Please try again later. ![Image 6](http://www.youtube.com/watch?v=tLsoelNl3To) 0:00 [](http://www.youtube.com/watch?v=tLsoelNl3To)[](https://www.youtube.com/watch?v=HIj8wU_rGIU "Next (SHIFT+n)") 0:00 / 0:00 Live •Watch full video • Intro • [1:15:03 Data Structure and Algorithm Patterns for LeetCode Interviews – Tutorial freeCodeCamp.org and AlgoMonster 640K views • 9 months ago Live Playlist ()Mix (50+)](https://www.youtube.com/watch?v=Z_c4byLrNBU)[19:17 What it feels like to an Amazon Engineer The Career Machine 109K views • 9 days ago Live Playlist ()Mix (50+)](https://www.youtube.com/watch?v=eq1Lsped--g)[32:32 The Strange Math That Predicts (Almost) Anything Veritasium 11M views • 8 months ago Live Playlist ()Mix (50+)](https://www.youtube.com/watch?v=KZeIEiBrT_w)[1:41:41 Learn Dynamic Programming with Animations – Full Course for Beginners freeCodeCamp.org and AlgoMonster 122K views • 3 months ago Live Playlist ()Mix (50+)](https://www.youtube.com/watch?v=66hDgWottdA)[43:40 Web Scraping Using Python For Beginners and File Handling in Python | Python Web Scraping Intellipaat 24K views • Streamed 4 years ago Live Playlist ()Mix (50+)](https://www.youtube.com/watch?v=NatDqmSSi5o)[33:49 Professor Answers Coding Questions | Tech Support | WIRED WIRED 1.1M views • 4 months ago Live Playlist ()Mix (50+)](https://www.youtube.com/watch?v=PZ_ebxkNZmo)[1:00:24 The most beautiful formula not enough people understand 3Blue1Brown 1M views • 1 month ago Live Playlist ()Mix (50+)](https://www.youtube.com/watch?v=fsLh-NYhOoU)[16:17 Calculus Explained Like You Are 5 Years Old No Fluff Academy 301K views • 1 month ago Live Playlist ()Mix (50+)](https://www.youtube.com/watch?v=DvTQ7h6-m5I)[29:11 Software engineer driven to insanity from 2026 Job Market Garrett Rose 306K views • 3 weeks ago Live Playlist ()Mix (50+)](https://www.youtube.com/watch?v=TYuSEeuUhPo)[2:05:22 System Design Course – APIs, Databases, Caching, CDNs, Load Balancing & Production Infra freeCodeCamp.org 160K views • 8 days ago Live Playlist ()Mix (50+)](https://www.youtube.com/watch?v=C842vFY5kRo)[9:06 Microsoft accidentally told the truth about AI Mo Bitar 321K views • 1 day ago Live Playlist ()Mix (50+)](https://www.youtube.com/watch?v=4CIlTOnc6I8)[22:03 Jon Stewart Dissects Trump’s “Art of the Deal” Iran Strategy... 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[Learn more](https://support.google.com/youtube/answer/3037019#zippy=%2Ccheck-that-youre-signed-into-youtube) [Sign in](https://accounts.google.com/ServiceLogin?service=youtube&uilel=3&passive=true&continue=https%3A%2F%2Fwww.youtube.com%2Fsignin%3Faction_handle_signin%3Dtrue%26app%3Ddesktop%26hl%3Den%26next%3D%252Fwatch%253Fv%253DtLsoelNl3To&hl=en) # Sliding Window Algorithm for Tech Interviews - Full Course [![Image 7](https://yt3.ggpht.com/ytc/AIdro_lGRc-05M2OoE1ejQdxeFhyP7OkJg9h4Y-7CK_5je3QqFI=s48-c-k-c0x00ffffff-no-rj)](http://www.youtube.com/@freecodecamp) [freeCodeCamp.org](http://www.youtube.com/@freecodecamp) freeCodeCamp.org 11.6M subscribers Join Subscribe Subscribed 616 Share Save Download Download 13K views 1 day ago 13,827 views • Apr 23, 2026 Learn the Sliding Window algorithm for tech interview prep. ✏️ This course was developed by Alvin Zablan, check out his channel: [![Image 8](https://www.gstatic.com/youtube/img/watch/yt_favicon_ringo2.png)/alvintheprogrammer](https://www.youtube.com/c/AlvinTheProgrammer)…...more ...more ## Chapters View all [![Image 9](http://www.youtube.com/watch?v=tLsoelNl3To) #### Intro #### Intro 0:00](http://www.youtube.com/watch?v=tLsoelNl3To) #### [Intro](http://www.youtube.com/watch?v=tLsoelNl3To) 0:00 [![Image 10](http://www.youtube.com/watch?v=tLsoelNl3To) #### Max Subarray Sum Size K #### Max Subarray Sum Size K 1:46](http://www.youtube.com/watch?v=tLsoelNl3To&t=106s) #### [Max Subarray Sum Size K](http://www.youtube.com/watch?v=tLsoelNl3To&t=106s) 1:46 [![Image 11](http://www.youtube.com/watch?v=tLsoelNl3To) #### Max Subarray Product Size K #### Max Subarray Product Size K 26:16](http://www.youtube.com/watch?v=tLsoelNl3To&t=1576s) #### [Max Subarray Product Size K](http://www.youtube.com/watch?v=tLsoelNl3To&t=1576s) 26:16 [![Image 12](http://www.youtube.com/watch?v=tLsoelNl3To) #### Subarray Target Sum Size K #### Subarray Target Sum Size K 38:04](http://www.youtube.com/watch?v=tLsoelNl3To&t=2284s) #### [Subarray Target Sum Size K](http://www.youtube.com/watch?v=tLsoelNl3To&t=2284s) 38:04 [![Image 13](http://www.youtube.com/watch?v=tLsoelNl3To) #### Has Substring Anagram #### Has Substring Anagram 44:53](http://www.youtube.com/watch?v=tLsoelNl3To&t=2693s) #### [Has Substring Anagram](http://www.youtube.com/watch?v=tLsoelNl3To&t=2693s) 44:53 [![Image 14](http://www.youtube.com/watch?v=tLsoelNl3To) #### Count Substring Anagrams #### Count Substring Anagrams 55:44](http://www.youtube.com/watch?v=tLsoelNl3To&t=3344s) #### [Count Substring Anagrams](http://www.youtube.com/watch?v=tLsoelNl3To&t=3344s) 55:44 [![Image 15](http://www.youtube.com/watch?v=tLsoelNl3To) #### Find Subarray Sum #### Find Subarray Sum 1:08:46](http://www.youtube.com/watch?v=tLsoelNl3To&t=4126s&pp=0gcJCREDDuyUWbzu) #### [Find Subarray Sum](http://www.youtube.com/watch?v=tLsoelNl3To&t=4126s&pp=0gcJCREDDuyUWbzu) 1:08:46 [![Image 16](http://www.youtube.com/watch?v=tLsoelNl3To) #### Longest Subarray Sum #### Longest Subarray Sum 1:21:42](http://www.youtube.com/watch?v=tLsoelNl3To&t=4902s) #### [Longest Subarray Sum](http://www.youtube.com/watch?v=tLsoelNl3To&t=4902s) 1:21:42 Transcript Follow along using the transcript. Show transcript [![Image 17](http://www.youtube.com/watch?v=tLsoelNl3To) ### freeCodeCamp.org 11.6M subscribers](http://www.youtube.com/@freecodecamp) [Videos](http://www.youtube.com/channel/UC8butISFwT-Wl7EV0hUK0BQ/videos)[About](http://www.youtube.com/channel/UC8butISFwT-Wl7EV0hUK0BQ/about) Show less [](http://www.youtube.com/watch?v=tLsoelNl3To) # Sliding Window Algorithm for Tech Interviews - Full Course 13,827 views 13K views Apr 23, 2026 616 Share Save Download Download Shop the freeCodeCamp.org store [![Image 18](https://encrypted-tbn3.gstatic.com/shopping?q=tbn:ANd9GcQN91f-fyOu9GQgPRaDkKFHgrlcTumpmH7RVBNKX2Um272qtAIZtwEtmiSLkTDTJIu7Fyz3gbo) Men's T-shirt Black L $20.00 freecodecamp Represent the freeCodeCamp community. Available in all 50 US States. Free shipping. A vintage-black, triblend T-shirt, featuring the iconic “bonfire function call” logo. This rugged shirt is made of 25% cotton, 25% rayon, and 50% polyester, and it will withstand hundreds of washes without losing its snugness or color. All proceeds above cost will go toward improving freeCodeCamp. Shop freecodecamp](http://www.youtube.com/watch?v=tLsoelNl3To)[![Image 19](https://encrypted-tbn0.gstatic.com/shopping?q=tbn:ANd9GcSR5fnbG8Iqk7w78sm1VBw75gwy2Vv1r_Tzg04vDyekrhGIfRNECvR6IOaoXMCDRcavZDQxfOU) Women's T-shirt Black M $20.00 freecodecamp Represent the freeCodeCamp community. Available in all 50 US States. Free shipping. A charcoal-black, relaxed-fit triblend T-shirt, featuring the iconic “bonfire function call” logo. This rugged shirt is made of 25% cotton, 25% rayon, and 50% polyester, and it will withstand hundreds of washes without losing its snugness or color. All proceeds above cost will go toward improving freeCodeCamp. Shop freecodecamp](http://www.youtube.com/watch?v=tLsoelNl3To) ## 13 Comments Sort comments Sort by [Top Show featured comments](http://www.youtube.com/watch?v=tLsoelNl3To)[Newest Show recent comments, including potential spam](http://www.youtube.com/watch?v=tLsoelNl3To) ![Image 20: Default profile photo](https://yt3.ggpht.com/a/default-user=s48-c-k-c0x00ffffff-no-rj) Add a comment... ![Image 21](https://yt3.ggpht.com/ytc/AIdro_kYpMS2glM4Y1HASVQ3BFBItVZSrhrrXKCfnZxw6oUsExA=s88-c-k-c0x00ffffff-no-rj) ### [@abhimanyurana5887](http://www.youtube.com/@abhimanyurana5887) [1 day ago](http://www.youtube.com/watch?v=tLsoelNl3To&lc=UgxFOB3_xzGwW8eNGmd4AaABAg) Best YouTube channel ever for programmers Show less Read more Like 13 Dislike Reply ![Image 22](https://yt3.ggpht.com/0JtQuBGgWHed0knfaQ2Ee5ufuk57POobOFLzM56HPrboAE3BIhc7XxHy0IYgKrqB8iUzzqJldQ=s88-c-k-c0x00ffffff-no-rj) ### [@RohitKumar-kd5fj](http://www.youtube.com/@RohitKumar-kd5fj) [1 day ago](http://www.youtube.com/watch?v=tLsoelNl3To&lc=Ugw0xiLXtMmCqUfCLpd4AaABAg) Anyone watchig this is still hopeful for the future of real software engineering Show less Read more Like 4 Dislike Reply ![Image 23](https://yt3.ggpht.com/ytc/AIdro_mbz8FMt3P-GUw8zke1picm1fO1eHQBktXLo9MwxBSkLe4=s88-c-k-c0x00ffffff-no-rj) ### [@divyanshusingh2894](http://www.youtube.com/@divyanshusingh2894) [19 hours ago](http://www.youtube.com/watch?v=tLsoelNl3To&lc=UgyOkShq_RBKharp1Dp4AaABAg) Right before my upcoming interview? Great. Show less Read more Like 1 Dislike Reply ![Image 24](https://yt3.ggpht.com/ytc/AIdro_lczxZwxV0MkLv02CqQXPPY8UoQV7nw8SyQs8sXp8qN2bk=s88-c-k-c0x00ffffff-no-rj) ### [@anubhavmann1809](http://www.youtube.com/@anubhavmann1809) [1 day ago](http://www.youtube.com/watch?v=tLsoelNl3To&lc=Ugx_4f-Rr-F_Yv0qGqd4AaABAg) I was struggling on one sliding window question , and damn this pops up!! ![Image 25: 💯](https://www.youtube.com/s/gaming/emoji/7ff574f2/emoji_u1f4af.png) Show less Read more Like 4 Dislike Reply ![Image 26](https://yt3.ggpht.com/B_gVjTResdjc5-eDHStU8XauM2UYuQawgbOB7zh8vK8XTun6_Y6MUJ8Kpl1v2hhPgW0eR-cDyk4=s88-c-k-c0x00ffffff-no-rj) ### [@BenjaminOyoo-g1i](http://www.youtube.com/@BenjaminOyoo-g1i) [1 day ago](http://www.youtube.com/watch?v=tLsoelNl3To&lc=UgyHRwxKJN1dWaw_fpt4AaABAg) So educative I am really proud of it Show less Read more Like 2 Dislike Reply ![Image 27](https://yt3.ggpht.com/ytc/AIdro_ktgf3psRkAgKqgtBrHqhFCpTwn8CtlBGMPzkRqQ28gVAm_OArHXAgXv_ztPUnBWg1sIA=s88-c-k-c0x00ffffff-no-rj) ### [@ravalik2103](http://www.youtube.com/@ravalik2103) [1 day ago](http://www.youtube.com/watch?v=tLsoelNl3To&lc=Ugwcjz5w6ctt6D59zhJ4AaABAg) Thank you Show less Read more Like Dislike Reply ![Image 28](https://yt3.ggpht.com/dQ7p36Tc-5R5tbYcIE9lsrtPSnWtrUhyrbgjYRPXe8mrYp6jKIXkYYlJNRmAKPIGOmHx0kZBBh8=s88-c-k-c0x00ffffff-no-rj) ### [@noobguitarist654](http://www.youtube.com/@noobguitarist654) [1 day ago](http://www.youtube.com/watch?v=tLsoelNl3To&lc=Ugx1mLvAqtFbbOmGQot4AaABAg) Jsit exactly what I needed right now.. freecode you my bro ![Image 29: 👊](http://www.youtube.com/watch?v=tLsoelNl3To) Show less Read more Like Dislike Reply ![Image 30](http://www.youtube.com/watch?v=tLsoelNl3To) ### [@INSANEMOMENTS1](http://www.youtube.com/@INSANEMOMENTS1) [1 day ago (edited)](http://www.youtube.com/watch?v=tLsoelNl3To&lc=UgxwhKj8m3Y0yizgpRt4AaABAg&pp=0gcJCSIANpG00pGi) One correction: [6:02](http://www.youtube.com/watch?v=tLsoelNl3To&t=362s&pp=0gcJCTAAlc8ueATH) No.of subarrays =n-k+1 .... Show less Read more Like 3 Dislike Reply ![Image 31](http://www.youtube.com/watch?v=tLsoelNl3To) ### [@contentmultiverse](http://www.youtube.com/@contentmultiverse) [1 day ago](http://www.youtube.com/watch?v=tLsoelNl3To&lc=UgweXyXuofPqvLBwjYF4AaABAg) The 5th here Show less Read more Like Dislike Reply ![Image 32](http://www.youtube.com/watch?v=tLsoelNl3To) ### [@liveportcasting](http://www.youtube.com/@liveportcasting) [1 day ago (edited)](http://www.youtube.com/watch?v=tLsoelNl3To&lc=UgwF9izoVn905vYiuFd4AaABAg) Please unable audio track on your videos so that understanding this concept on our daily talking language makes Easy. Show less Read more Like Dislike Reply ![Image 33](http://www.youtube.com/watch?v=tLsoelNl3To) ### [@Martin-delta](http://www.youtube.com/@Martin-delta) [1 day ago (edited)](http://www.youtube.com/watch?v=tLsoelNl3To&lc=Ugw-7JaWFm9VInezlxt4AaABAg) [50:42](http://www.youtube.com/watch?v=tLsoelNl3To&t=3042s) the anagram problem. Won’t this solution with using a set break if the string the sliding window covers contains repeated characters. If we remove a letter from the set, but it is still part of the next sliding window, there would be problems, no? “Wo[odp]ecker” - the set would only contain {d, p} because we just removed the “o”. Edit: never mind it is covered in the following problem ![Image 34: 😊](http://www.youtube.com/watch?v=tLsoelNl3To) Show less Read more Like Dislike Reply ![Image 35](http://www.youtube.com/watch?v=tLsoelNl3To) ### [@Superchopper](http://www.youtube.com/@Superchopper) [20 hours ago](http://www.youtube.com/watch?v=tLsoelNl3To&lc=UgwgDcYVomgFCQzsKoR4AaABAg) How do you deal with 0 for product? Show less Read more Like Dislike Reply ![Image 36](http://www.youtube.com/watch?v=tLsoelNl3To) ### [@MeenuYadav-q8t](http://www.youtube.com/@MeenuYadav-q8t) [1 day ago](http://www.youtube.com/watch?v=tLsoelNl3To&lc=UgwQLYIcgNbeggjSHXl4AaABAg) 1st view Sir Show less Read more Like 1 Dislike Reply Top is selected, so you'll see featured comments ## Comments 13 [Top Show featured comments](http://www.youtube.com/watch?v=tLsoelNl3To)[Newest Show recent comments, including potential spam](http://www.youtube.com/watch?v=tLsoelNl3To) ## In this video Chapters Transcript ## Chapters [![Image 37](http://www.youtube.com/watch?v=tLsoelNl3To) #### Intro #### Intro 0:00](http://www.youtube.com/watch?v=tLsoelNl3To) #### [Intro](http://www.youtube.com/watch?v=tLsoelNl3To) 0:00 [![Image 38](http://www.youtube.com/watch?v=tLsoelNl3To) #### Max Subarray Sum Size K #### Max Subarray Sum Size K 1:46](http://www.youtube.com/watch?v=tLsoelNl3To&t=106s) #### [Max Subarray Sum Size K](http://www.youtube.com/watch?v=tLsoelNl3To&t=106s) 1:46 [![Image 39](http://www.youtube.com/watch?v=tLsoelNl3To) #### Max Subarray Product Size K #### Max Subarray Product Size K 26:16](http://www.youtube.com/watch?v=tLsoelNl3To&t=1576s) #### [Max Subarray Product Size K](http://www.youtube.com/watch?v=tLsoelNl3To&t=1576s) 26:16 [![Image 40](http://www.youtube.com/watch?v=tLsoelNl3To) #### Subarray Target Sum Size K #### Subarray Target Sum Size K 38:04](http://www.youtube.com/watch?v=tLsoelNl3To&t=2284s) #### [Subarray Target Sum Size K](http://www.youtube.com/watch?v=tLsoelNl3To&t=2284s) 38:04 [![Image 41](http://www.youtube.com/watch?v=tLsoelNl3To) #### Has Substring Anagram #### Has Substring Anagram 44:53](http://www.youtube.com/watch?v=tLsoelNl3To&t=2693s) #### [Has Substring Anagram](http://www.youtube.com/watch?v=tLsoelNl3To&t=2693s) 44:53 [![Image 42](http://www.youtube.com/watch?v=tLsoelNl3To) #### Count Substring Anagrams #### Count Substring Anagrams 55:44](http://www.youtube.com/watch?v=tLsoelNl3To&t=3344s) #### [Count Substring Anagrams](http://www.youtube.com/watch?v=tLsoelNl3To&t=3344s) 55:44 [![Image 43](http://www.youtube.com/watch?v=tLsoelNl3To) #### Find Subarray Sum #### Find Subarray Sum 1:08:46](http://www.youtube.com/watch?v=tLsoelNl3To&t=4126s) #### [Find Subarray Sum](http://www.youtube.com/watch?v=tLsoelNl3To&t=4126s) 1:08:46 [![Image 44](http://www.youtube.com/watch?v=tLsoelNl3To) #### Longest Subarray Sum #### Longest Subarray Sum 1:21:42](http://www.youtube.com/watch?v=tLsoelNl3To&t=4902s&pp=0gcJCREDDuyUWbzu) #### [Longest Subarray Sum](http://www.youtube.com/watch?v=tLsoelNl3To&t=4902s&pp=0gcJCREDDuyUWbzu) 1:21:42 [![Image 45](http://www.youtube.com/watch?v=tLsoelNl3To) #### Longest Unique Substring #### Longest Unique Substring 1:35:52](http://www.youtube.com/watch?v=tLsoelNl3To&t=5752s) #### [Longest Unique Substring](http://www.youtube.com/watch?v=tLsoelNl3To&t=5752s) 1:35:52 Sync to video time ## Products freeCodeCamp.org tagged products below.[Learn more](http://www.youtube.com/watch?v=tLsoelNl3To) [![Image 46](http://www.youtube.com/watch?v=tLsoelNl3To) #### Men's T-shirt Black L freecodecamp $20.00 View](http://www.youtube.com/watch?v=tLsoelNl3To) [![Image 47](http://www.youtube.com/watch?v=tLsoelNl3To) #### Women's T-shirt Black M freecodecamp $20.00 View](http://www.youtube.com/watch?v=tLsoelNl3To) ## Description Sliding Window Algorithm for Tech Interviews - Full Course 616 Likes 13,827 Views Apr 23 2026 Learn the Sliding Window algorithm for tech interview prep. ✏️ This course was developed by Alvin Zablan, check out his channel: [![Image 48](http://www.youtube.com/watch?v=tLsoelNl3To)/alvintheprogrammer](https://www.youtube.com/c/AlvinTheProgrammer) 🔗 Learn more algorithms in Alvin’s complete beginner-friendly DSA course: [https://structy.net](https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqa1AwRW5sbGlHVTdiTXplUDQ4Q1R5Q3NNZ3dxd3xBQ3Jtc0tuVXAxZEVpM3oxVWlBLV9ha2ZTU1dxRVN1bG5VdG5nVVZJRUJETkdiWUlOYTRzN0oySmhYUzBfOHlLNzVvQ3RRUk5KZkU2ZnVxYU9xc3ZqLWJQNEJNVGh0cVNfSEpjcFVlcU1lY2loWWdVNFNubzhHOA&q=https%3A%2F%2Fstructy.net%2F&v=tLsoelNl3To) ❤️ Try interactive Algorithms courses we love, right in your browser: [https://scrimba.com/freeCodeCamp-Algo...](https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqbXN4NzRET3FWemtVVy15RGxaNGJUWU90Uy11Z3xBQ3Jtc0trNnk2ckxya1M2UWNLTEZaQXZ1T3BVWldxdm1Pd2N0WURhcFRmbTVHUWNYWFZJNzV0VU5qXzI4ekRiTXJsRnk3NTEwY2VJZ0xESUhiZ2FubTRnbTZuZFFLM01WTnB0TlJyZFFpSEhIR0t3VHp6ZmJGcw&q=https%3A%2F%2Fscrimba.com%2FfreeCodeCamp-Algorithms&v=tLsoelNl3To) (Made possible by a grant from our friends at Scrimba) 📖 Course Contents 📖 * [0:00:00](http://www.youtube.com/watch?v=tLsoelNl3To) Intro * [0:01:46](http://www.youtube.com/watch?v=tLsoelNl3To&t=106s) Max Subarray Sum Size K ([https://learn.structy.net/klv](https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqbmhPUHZGN2VjRTJqMkRVZ0c0VHp2eXF3MUVjZ3xBQ3Jtc0tsUVl3TDNkS3l2aXlKU1dhUVNMYk1pS1ZFclpiRUFfYVdWSzFvcDFicklGUEtnbkMxaUpsR3pNMHUyQXhjb3pwdTV6V3BMZmRkdEVwZ3IzcUUyTEY1T1locXZXc25CMVVTX1VXYmFSMHE5LWJ1WEVOdw&q=https%3A%2F%2Flearn.structy.net%2Fklv&v=tLsoelNl3To)) * [0:26:16](http://www.youtube.com/watch?v=tLsoelNl3To&t=1576s) Max Subarray Product Size K ([https://learn.structy.net/o6f](https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqazY0ZEtHMHl5ZDl6NTcxSXViYTZ4M2k3eEI1d3xBQ3Jtc0tuM0FveHhyTTRPM1g0dXcyNFdROEdkWFNZOHZaZ1IzSEFPcFcyVE53SVdmSHdJc0x4MF9HYnNtRVhNb1ZOenlhb2ZWMHNQSk9RTDhaeWJmcmt2MmVMWTRSM29rdUt2U0dnc3BURVZLS3Voc1BBTU1Rdw&q=https%3A%2F%2Flearn.structy.net%2Fo6f&v=tLsoelNl3To)) * [0:38:04](http://www.youtube.com/watch?v=tLsoelNl3To&t=2284s) Subarray Target Sum Size K ([https://learn.structy.net/f6n](https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqbF84ei00amdIVFVJMFhWVnRtTWR6WkdOZkhWQXxBQ3Jtc0tsblJ3WU95eUJYUUVRVWpyeklTU0ZPSVFRdFpJMGx6X0xITklaMFJXVjZwek5wbHlaYTU5S0VjcnphQTR6S3NwaC14bHNOTnZZOVNIZU9mcHVOTTJTYWRwNGdzMGZlZGI1bG4ybTB0MnRmbHlRRndOQQ&q=https%3A%2F%2Flearn.structy.net%2Ff6n&v=tLsoelNl3To)) * [0:44:53](http://www.youtube.com/watch?v=tLsoelNl3To&t=2693s) Has Substring Anagram ([https://learn.structy.net/1jh](https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqbGdCY0NrbGQ0SFN1Q2RSaEYwZV82YWtrQ2owUXxBQ3Jtc0ttMVhUM0RTQWxnSmVycGx0RjA5TzFUbVlpUmlCZWpka1cxeGxxREVrQzFxR3RzeS0wczlhMkVlcUNsM1VKbFlXQnk4NDRZcGZzdFI2RzhHVnlMeEo4TkRrcWdlcGZGeXJpOXBaT0hTdWRhZ1AzMHhxaw&q=https%3A%2F%2Flearn.structy.net%2F1jh&v=tLsoelNl3To)) * [0:55:44](http://www.youtube.com/watch?v=tLsoelNl3To&t=3344s) Count Substring Anagrams ([https://learn.structy.net/d0r](https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqbjVSLWVwU0pxYVFoYUt6MGdsdk1kOXZJWmFYQXxBQ3Jtc0tuV1BTQTBCanFDQ2FUcnp2WVQ5cWRHeGtHWVBpcmc4UHZYWFB6STBwTkctSGhuTVNnSFlfYXRzU1cxMGJwOXdmR1c2QVBacGxqbEVrX18zbXN6aGdBV3Nmb0NRN25sX1J0MkdJekJUQWs2cUJtZjM5dw&q=https%3A%2F%2Flearn.structy.net%2Fd0r&v=tLsoelNl3To)) * [1:08:46](http://www.youtube.com/watch?v=tLsoelNl3To&t=4126s) Find Subarray Sum ([https://learn.structy.net/hpe](https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqbUtwbmp2M3NXeWRENVMweGZZMU1EQTI2ZUJ4QXxBQ3Jtc0tsRGdWdUJ3b0x4XzQwWEd6N0diLXVqNkpLRXR0bjJ2RGVadFc5UkozYkVyNm1NSnoxRXB6cWhfazJGT09EN0ZuaDFDSDhHTG1FWUVCdWRlck1xb3c5LWFsMGVoSjVRdkFBOWpwRVJkcTZGc0syeXRjdw&q=https%3A%2F%2Flearn.structy.net%2Fhpe&v=tLsoelNl3To)) * [1:21:42](http://www.youtube.com/watch?v=tLsoelNl3To&t=4902s) Longest Subarray Sum ([https://learn.structy.net/vx4](https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqbjJUREM3MWk0MTlnREhQS3prLXRaRTI4OXZNZ3xBQ3Jtc0tsTGVyUUZxOERIeXBLaDA4VkJ0akFIcGNGTmNsUU93Tm1xc0lmM2tKTHVvampFVktsdzlGMFBxamFYb242Tlp1VlpoYTcwNHdvaW9zSTktZ19nN0dVaHB4VzRKTzFnNWQtb2ZRMzNWVmkza2FyRFlQSQ&q=https%3A%2F%2Flearn.structy.net%2Fvx4&v=tLsoelNl3To)) * [1:35:52](http://www.youtube.com/watch?v=tLsoelNl3To&t=5752s) Longest Unique Substring ([https://learn.structy.net/vcg](https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqbC16NkpTTWQtNVB1WDZKUVNUZnNJM2pHdVpWUXxBQ3Jtc0trXzV4enFFVTNOQmwtVDFyeEh1LXB3Y25OWVRabU9YY2JNQjdwVm1NSGR5SnFhd010NC1VeUE2b0o4QjhrU3FnbEhTekMwWmVmU0FtVXFMaHdvTU9idzVFU0Nja0p5VlUzZGE5QjFoUk5fbHhTYlhJNA&q=https%3A%2F%2Flearn.structy.net%2Fvcg&v=tLsoelNl3To)) 🎉 Thanks to our Champion and Sponsor supporters: 👾 @omerhattapoglu1158 👾 @goddardtan 👾 @akihayashi6629 👾 @kikilogsin 👾 @anthonycampbell2148 👾 @tobymiller7790 👾 @rajibdassharma497 👾 @CloudVirtualizationEnthusiast 👾 @adilsoncarlosvianacarlos 👾 @martinmacchia1564 👾 @ulisesmoralez4160 👾 @_Oscar_ 👾 @jedi-or-sith2728 👾 @justinhual1290 -- Learn to code for free and get a developer job: [https://www.freecodecamp.org](https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqbHJib0lQajJfaTdqdENseU8zVEpoMjRySUlSQXxBQ3Jtc0tsRXJVVFBMR2RnX2xObmoyY3FqY0FjOXNxQkJ2ckhRZDB1cmpfcVlFM05zdWFwa1NhVjNSMlVIbXZtSTZHOHY4VzlzVkRKYWVkX3dhUlRSYTFORlNLWWRMcUdGMTFmaHhBaVV6dERkckFCc3QzdGMyRQ&q=https%3A%2F%2Fwww.freecodecamp.org%2F&v=tLsoelNl3To) Read hundreds of articles on programming: [https://freecodecamp.org/news](https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqbmFzWFc0R21laFVtQkx5Yk10TF9UUVQ0SEV1Z3xBQ3Jtc0tuYzNXd1NVNGtKcTNEckFnRWdoeUlWUU13MVNMc0JZYVVZQWYweTVWR0dDVi1LZDNZZXFYcUstYWVlQXVRaTJINkFqM24zTElkQTJ5SGpDbHNTYVQ0TTB4XzJCVVFBLVNPQURYSDlyVmNnWGNTOE9fTQ&q=https%3A%2F%2Ffreecodecamp.org%2Fnews&v=tLsoelNl3To)…...more ...more Show less ## Chapters View all [![Image 49](http://www.youtube.com/watch?v=tLsoelNl3To) #### Intro #### Intro 0:00](http://www.youtube.com/watch?v=tLsoelNl3To) #### [Intro](http://www.youtube.com/watch?v=tLsoelNl3To) 0:00 [![Image 50](http://www.youtube.com/watch?v=tLsoelNl3To) #### Max Subarray Sum Size K #### Max Subarray Sum Size K 1:46](http://www.youtube.com/watch?v=tLsoelNl3To&t=106s) #### [Max Subarray Sum Size K](http://www.youtube.com/watch?v=tLsoelNl3To&t=106s) 1:46 [![Image 51](http://www.youtube.com/watch?v=tLsoelNl3To) #### Max Subarray Product Size K #### Max Subarray Product Size K 26:16](http://www.youtube.com/watch?v=tLsoelNl3To&t=1576s) #### [Max Subarray Product Size K](http://www.youtube.com/watch?v=tLsoelNl3To&t=1576s) 26:16 [![Image 52](http://www.youtube.com/watch?v=tLsoelNl3To) #### Subarray Target Sum Size K #### Subarray Target Sum Size K 38:04](http://www.youtube.com/watch?v=tLsoelNl3To&t=2284s) #### [Subarray Target Sum Size K](http://www.youtube.com/watch?v=tLsoelNl3To&t=2284s) 38:04 Transcript Follow along using the transcript. 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