{"id":15580,"date":"2022-10-12T04:55:18","date_gmt":"2022-10-11T23:25:18","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-array-coding-challenge-that-needs-to-be-solved-in-on-complexity\/"},"modified":"2022-10-12T04:55:18","modified_gmt":"2022-10-11T23:25:18","slug":"solved-array-coding-challenge-that-needs-to-be-solved-in-on-complexity","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-array-coding-challenge-that-needs-to-be-solved-in-on-complexity\/","title":{"rendered":"[Solved] Array coding challenge that needs to be solved in O(n) complexity"},"content":{"rendered":"

[ad_1]
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Let’s consider your example…<\/p>\n

 A = (5, 5, 1, 2, 3, 4, 5)\n<\/code><\/pre>\n
If you consider the first element – 5 – then we know any solution must have one non-5 value at the other end, so we work backwards to find the first non-five, keeping track of the “front” and “back” locations we’re working at…<\/p>\n
 A = (5, 5, 1, 2, 3, 4, 5)\n      ^              ^\n<\/code><\/pre>\n
So, we’ve balanced the 5s so far with the non-5s as we work in from the ends.  Now we look at the next position on the left, which is also a five, so we move the right-hand position left until we find another non-five:<\/p>\n
 A = (5, 5, 1, 2, 3, 4, 5)\n         ^        ^\n<\/code><\/pre>\n
Now we advance the left-side position looking for another five, but hit the right position before finding one, so the “right-side” position is a solution.<\/p>\n<\/p><\/div>\n
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            1<\/span> <\/p><\/div>\n<\/div>\n
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solved Array coding challenge that needs to be solved in O(n) complexity <\/p>\n","protected":false},"excerpt":{"rendered":"
[ad_1] Let’s consider your example… A = (5, 5, 1, 2, 3, 4, 5) If you consider the first element – 5 – then we know any solution must have one non-5 value at the other end, so we work backwards to find the first non-five, keeping track of the “front” and “back” locations we’re … Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[457,361,324,1238],"class_list":["post-15580","post","type-post","status-publish","format-standard","hentry","category-solved","tag-algorithm","tag-arrays","tag-c","tag-time-complexity"],"yoast_head":"\n[Solved] Array coding challenge that needs to be solved in O(n) complexity - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-array-coding-challenge-that-needs-to-be-solved-in-on-complexity\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] Array coding challenge that needs to be solved in O(n) complexity - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] Let’s consider your example… A = (5, 5, 1, 2, 3, 4, 5) If you consider the first element – 5 – then we know any solution must have one non-5 value at the other end, so we work backwards to find the first non-five, keeping track of the “front” and “back” locations we’re ... 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