{"id":475910,"date":"2023-08-09T07:24:43","date_gmt":"2023-08-09T07:24:43","guid":{"rendered":""},"modified":"2023-09-05T11:11:33","modified_gmt":"2023-09-05T11:11:33","slug":"array","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/array\/","title":{"rendered":"M\u1ea3ng"},"content":{"rendered":"<p>M\u1ea3ng l\u00e0 c\u1ea5u tr\u00fac d\u1eef li\u1ec7u c\u01a1 b\u1ea3n trong khoa h\u1ecdc m\u00e1y t\u00ednh, \u0111\u00f3ng vai tr\u00f2 l\u00e0 kh\u1ed1i x\u00e2y d\u1ef1ng cho v\u00f4 s\u1ed1 \u1ee9ng d\u1ee5ng v\u00e0 ch\u01b0\u01a1ng tr\u00ecnh. M\u1ea3ng l\u00e0 m\u1ed9t c\u1ea5u tr\u00fac d\u1eef li\u1ec7u t\u0129nh ch\u1ee9a m\u1ed9t s\u1ed1 m\u1ee5c c\u1ed1 \u0111\u1ecbnh c\u00f9ng lo\u1ea1i. V\u1ec1 b\u1ea3n ch\u1ea5t, n\u00f3 l\u00e0 t\u1eadp h\u1ee3p c\u00e1c bi\u1ebfn c\u00f9ng lo\u1ea1i \u0111\u01b0\u1ee3c g\u1ecdi b\u1eb1ng m\u1ed9t t\u00ean chung.<\/p>\n<h2>Ngu\u1ed3n g\u1ed1c v\u00e0 \u0111\u1ec1 c\u1eadp ban \u0111\u1ea7u c\u1ee7a m\u1ea3ng<\/h2>\n<p>Kh\u00e1i ni\u1ec7m m\u1ea3ng b\u1eaft ngu\u1ed3n t\u1eeb s\u1ef1 ra \u0111\u1eddi c\u1ee7a c\u00e1c ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh c\u1ea5p cao. \u0110\u00f3 l\u00e0 v\u00e0o n\u0103m 1950, khi ng\u00f4n ng\u1eef c\u1ea5p cao \u0111\u1ea7u ti\u00ean, Fortran (vi\u1ebft t\u1eaft c\u1ee7a \u201cD\u1ecbch c\u00f4ng th\u1ee9c\u201d) \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n, m\u1ea3ng \u0111\u00f3 b\u1eaft \u0111\u1ea7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i. Ng\u00f4n ng\u1eef n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ch\u1ee7 y\u1ebfu \u0111\u1ec3 t\u00ednh to\u00e1n khoa h\u1ecdc v\u00e0 n\u00f3 \u0111\u01b0a ra kh\u00e1i ni\u1ec7m v\u1ec1 m\u1ea3ng \u0111\u1ec3 l\u01b0u tr\u1eef v\u00e0 thao t\u00e1c c\u00e1c b\u1ed9 d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n<h2>Hi\u1ec3u m\u1ea3ng s\u00e2u<\/h2>\n<p>M\u1ed9t m\u1ea3ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c h\u00ecnh dung nh\u01b0 m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c ph\u1ea7n t\u1eed \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef \u1edf c\u00e1c v\u1ecb tr\u00ed b\u1ed9 nh\u1edb li\u1ec1n k\u1ec1. M\u1ed7i ph\u1ea7n t\u1eed c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c truy c\u1eadp tr\u1ef1c ti\u1ebfp theo ch\u1ec9 m\u1ee5c ho\u1eb7c v\u1ecb tr\u00ed c\u1ee7a n\u00f3 trong m\u1ea3ng, \u0111i\u1ec1u n\u00e0y l\u00e0m cho m\u1ea3ng \u0111\u1eb7c bi\u1ec7t hi\u1ec7u qu\u1ea3 \u0111\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 lo\u1ea1i t\u00ednh to\u00e1n nh\u1ea5t \u0111\u1ecbnh. M\u1ea3ng c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t chi\u1ec1u (nh\u01b0 m\u1ed9t h\u00e0ng ho\u1eb7c c\u1ed9t), hai chi\u1ec1u (nh\u01b0 b\u1ea3ng) ho\u1eb7c th\u1eadm ch\u00ed nhi\u1ec1u chi\u1ec1u (nh\u01b0 kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng ho\u1eb7c d\u1ea1ng t\u01b0\u01a1ng t\u1ef1 nhi\u1ec1u chi\u1ec1u h\u01a1n).<\/p>\n<p>K\u00edch th\u01b0\u1edbc c\u1ee7a m\u1ea3ng ph\u1ea3i \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh t\u1ea1i th\u1eddi \u0111i\u1ec3m t\u1ea1o m\u1ea3ng v\u00e0 kh\u00f4ng th\u1ec3 thay \u0111\u1ed5i sau n\u00e0y. \u0110i\u1ec1u n\u00e0y l\u00e0 do t\u00ednh ch\u1ea5t t\u0129nh c\u1ee7a m\u1ea3ng, \u0111\u00f4i khi c\u00f3 th\u1ec3 h\u1ea1n ch\u1ebf \u1ee9ng d\u1ee5ng c\u1ee7a ch\u00fang, nh\u01b0\u1eddng ch\u1ed7 cho c\u00e1c c\u1ea5u tr\u00fac d\u1eef li\u1ec7u \u0111\u1ed9ng nh\u01b0 danh s\u00e1ch li\u00ean k\u1ebft.<\/p>\n<h2>C\u1ea5u tr\u00fac b\u00ean trong v\u00e0 ch\u1ee9c n\u0103ng c\u1ee7a m\u1ea3ng<\/h2>\n<p>B\u00ean trong, m\u1ed9t m\u1ea3ng l\u01b0u tr\u1eef c\u00e1c ph\u1ea7n t\u1eed c\u1ee7a n\u00f3 \u1edf c\u00e1c v\u1ecb tr\u00ed b\u1ed9 nh\u1edb li\u00ean ti\u1ebfp. N\u1ebfu ch\u00fang ta t\u01b0\u1edfng t\u01b0\u1ee3ng b\u1ed9 nh\u1edb nh\u01b0 m\u1ed9t chu\u1ed7i d\u00e0i c\u00e1c h\u1ed9p l\u01b0u tr\u1eef, th\u00ec m\u1ed9t m\u1ea3ng s\u1ebd chi\u1ebfm m\u1ed9t kho\u1ea3ng li\u00ean t\u1ee5c c\u00e1c h\u1ed9p n\u00e0y. Ph\u1ea7n t\u1eed \u0111\u1ea7u ti\u00ean trong m\u1ea3ng s\u1ebd \u0111i v\u00e0o h\u1ed9p \u0111\u1ea7u ti\u00ean, ph\u1ea7n t\u1eed th\u1ee9 hai v\u00e0o h\u1ed9p ti\u1ebfp theo, v.v.<\/p>\n<p>B\u1ed1 c\u1ee5c n\u00e0y cho ph\u00e9p c\u00e1c m\u1ea3ng cung c\u1ea5p quy\u1ec1n truy c\u1eadp li\u00ean t\u1ee5c (O(1)) v\u00e0o b\u1ea5t k\u1ef3 ph\u1ea7n t\u1eed n\u00e0o. V\u1edbi m\u1ed9t ch\u1ec9 m\u1ee5c nh\u1ea5t \u0111\u1ecbnh, m\u1ed9t m\u1ea3ng c\u00f3 th\u1ec3 t\u00ednh to\u00e1n \u0111\u1ecba ch\u1ec9 b\u1ed9 nh\u1edb ch\u00ednh x\u00e1c c\u1ee7a ph\u1ea7n t\u1eed t\u01b0\u01a1ng \u1ee9ng v\u1edbi ch\u1ec9 m\u1ee5c \u0111\u00f3 m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i l\u1eb7p l\u1ea1i c\u00e1c ph\u1ea7n t\u1eed kh\u00e1c. \u0110\u00e2y l\u00e0 m\u1ed9t l\u1ee3i th\u1ebf l\u1edbn khi x\u1eed l\u00fd l\u01b0\u1ee3ng l\u1edbn d\u1eef li\u1ec7u.<\/p>\n<h2>C\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a m\u1ea3ng<\/h2>\n<p>M\u1ed9t s\u1ed1 t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a m\u1ea3ng bao g\u1ed3m:<\/p>\n<ol>\n<li>T\u00ednh \u0111\u1ed3ng nh\u1ea5t: M\u1ea3ng ch\u1ec9 c\u00f3 th\u1ec3 ch\u1ee9a c\u00e1c ph\u1ea7n t\u1eed c\u00f3 c\u00f9ng ki\u1ec3u d\u1eef li\u1ec7u.<\/li>\n<li>K\u00edch th\u01b0\u1edbc c\u1ed1 \u0111\u1ecbnh: Sau khi \u0111\u01b0\u1ee3c t\u1ea1o, k\u00edch th\u01b0\u1edbc c\u1ee7a m\u1ea3ng kh\u00f4ng th\u1ec3 thay \u0111\u1ed5i.<\/li>\n<li>Truy c\u1eadp ng\u1eabu nhi\u00ean: M\u1ed7i ph\u1ea7n t\u1eed trong m\u1ed9t m\u1ea3ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c truy c\u1eadp tr\u1ef1c ti\u1ebfp b\u1eb1ng ch\u1ec9 m\u1ee5c c\u1ee7a n\u00f3.<\/li>\n<li>Ph\u00e2n b\u1ed5 b\u1ed9 nh\u1edb li\u1ec1n k\u1ec1: C\u00e1c ph\u1ea7n t\u1eed c\u1ee7a m\u1ed9t m\u1ea3ng \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef \u1edf c\u00e1c v\u1ecb tr\u00ed b\u1ed9 nh\u1edb li\u00ean ti\u1ebfp.<\/li>\n<\/ol>\n<h2>C\u00e1c lo\u1ea1i m\u1ea3ng<\/h2>\n<p>C\u00f3 nhi\u1ec1u lo\u1ea1i m\u1ea3ng kh\u00e1c nhau t\u00f9y thu\u1ed9c v\u00e0o chi\u1ec1u v\u00e0 ch\u1ee9c n\u0103ng c\u1ee7a ch\u00fang:<\/p>\n<table>\n<thead>\n<tr>\n<th>Ki\u1ec3u<\/th>\n<th>S\u1ef1 mi\u00eau t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>M\u1ea3ng m\u1ed9t chi\u1ec1u<\/td>\n<td>\u0110\u00e2y l\u00e0 lo\u1ea1i m\u1ea3ng \u0111\u01a1n gi\u1ea3n nh\u1ea5t l\u01b0u tr\u1eef danh s\u00e1ch c\u00e1c ph\u1ea7n t\u1eed.<\/td>\n<\/tr>\n<tr>\n<td>M\u1ea3ng hai chi\u1ec1u<\/td>\n<td>Th\u1ef1c ch\u1ea5t n\u00f3 l\u00e0 m\u1ed9t m\u1ea3ng c\u00e1c m\u1ea3ng, t\u1ea1o th\u00e0nh m\u1ed9t ma tr\u1eadn c\u00e1c ph\u1ea7n t\u1eed.<\/td>\n<\/tr>\n<tr>\n<td>M\u1ea3ng \u0111a chi\u1ec1u<\/td>\n<td>\u0110\u00e2y l\u00e0 c\u00e1c m\u1ea3ng c\u00f3 nhi\u1ec1u h\u01a1n hai chi\u1ec1u, h\u1eefu \u00edch trong c\u00e1c ph\u00e9p t\u00ednh v\u00e0 m\u00f4 ph\u1ecfng to\u00e1n h\u1ecdc ph\u1ee9c t\u1ea1p.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf, th\u00e1ch th\u1ee9c v\u00e0 gi\u1ea3i ph\u00e1p<\/h2>\n<p>M\u1ea3ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong r\u1ea5t nhi\u1ec1u \u1ee9ng d\u1ee5ng, t\u1eeb qu\u1ea3n l\u00fd c\u01a1 s\u1edf d\u1eef li\u1ec7u \u0111\u01a1n gi\u1ea3n \u0111\u1ebfn t\u00ednh to\u00e1n khoa h\u1ecdc ph\u1ee9c t\u1ea1p. Tuy nhi\u00ean, m\u1ea3ng c\u0169ng c\u00f3 th\u1ec3 \u0111\u1eb7t ra m\u1ed9t s\u1ed1 th\u00e1ch th\u1ee9c do k\u00edch th\u01b0\u1edbc c\u1ed1 \u0111\u1ecbnh v\u00e0 t\u00ednh \u0111\u1ed3ng nh\u1ea5t c\u1ee7a ch\u00fang. V\u00ed d\u1ee5: n\u1ebfu b\u1ea1n c\u1ea7n th\u00eam ho\u1eb7c x\u00f3a c\u00e1c ph\u1ea7n t\u1eed th\u01b0\u1eddng xuy\u00ean, m\u1ea3ng c\u00f3 th\u1ec3 kh\u00f4ng ph\u1ea3i l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t do t\u00ednh ch\u1ea5t t\u0129nh c\u1ee7a n\u00f3.<\/p>\n<p>C\u00f3 c\u00e1c c\u1ea5u tr\u00fac d\u1eef li\u1ec7u \u0111\u1ed9ng nh\u01b0 danh s\u00e1ch li\u00ean k\u1ebft, ng\u0103n x\u1ebfp v\u00e0 h\u00e0ng \u0111\u1ee3i mang l\u1ea1i s\u1ef1 linh ho\u1ea1t h\u01a1n m\u1ea3ng. V\u00ed d\u1ee5: m\u1ea3ng \u0111\u1ed9ng ho\u1eb7c danh s\u00e1ch m\u1ea3ng trong m\u1ed9t s\u1ed1 ng\u00f4n ng\u1eef c\u00f3 th\u1ec3 t\u1ef1 thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc khi c\u1ea7n trong khi v\u1eabn mang l\u1ea1i l\u1ee3i \u00edch c\u1ee7a vi\u1ec7c truy c\u1eadp ng\u1eabu nhi\u00ean gi\u1ed1ng nh\u01b0 m\u1ea3ng.<\/p>\n<h2>M\u1ea3ng v\u00e0 c\u00e1c c\u1ea5u tr\u00fac t\u01b0\u01a1ng t\u1ef1<\/h2>\n<p>C\u00f3 c\u00e1c c\u1ea5u tr\u00fac d\u1eef li\u1ec7u kh\u00e1c ph\u1ee5c v\u1ee5 c\u00e1c m\u1ee5c \u0111\u00edch t\u01b0\u01a1ng t\u1ef1 nh\u01b0 m\u1ed9t m\u1ea3ng nh\u01b0ng c\u00f3 m\u1ed9t s\u1ed1 kh\u00e1c bi\u1ec7t. B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y cung c\u1ea5p m\u1ed9t so s\u00e1nh:<\/p>\n<table>\n<thead>\n<tr>\n<th>C\u1ea5u tr\u00fac d\u1eef li\u1ec7u<\/th>\n<th>\u0110i\u1ec3m t\u01b0\u01a1ng \u0111\u1ed3ng<\/th>\n<th>S\u1ef1 kh\u00e1c bi\u1ec7t<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>M\u1ea3ng<\/td>\n<td>L\u01b0u tr\u1eef nhi\u1ec1u m\u1eb7t h\u00e0ng.<\/td>\n<td>K\u00edch th\u01b0\u1edbc \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh. C\u00e1c ph\u1ea7n t\u1eed c\u00f3 c\u00f9ng lo\u1ea1i.<\/td>\n<\/tr>\n<tr>\n<td>Danh s\u00e1ch<\/td>\n<td>L\u01b0u tr\u1eef nhi\u1ec1u m\u1eb7t h\u00e0ng. H\u1ed7 tr\u1ee3 truy c\u1eadp ng\u1eabu nhi\u00ean.<\/td>\n<td>K\u00edch th\u01b0\u1edbc l\u00e0 n\u0103ng \u0111\u1ed9ng. C\u00e1c ph\u1ea7n t\u1eed c\u00f3 th\u1ec3 c\u00f3 nhi\u1ec1u lo\u1ea1i kh\u00e1c nhau.<\/td>\n<\/tr>\n<tr>\n<td>Ng\u0103n x\u1ebfp\/H\u00e0ng \u0111\u1ee3i<\/td>\n<td>L\u01b0u tr\u1eef nhi\u1ec1u m\u1eb7t h\u00e0ng.<\/td>\n<td>Ho\u1ea1t \u0111\u1ed9ng theo nguy\u00ean t\u1eafc LIFO (Stack) v\u00e0 FIFO (Queue).<\/td>\n<\/tr>\n<tr>\n<td>Danh s\u00e1ch li\u00ean k\u1ebft<\/td>\n<td>L\u01b0u tr\u1eef nhi\u1ec1u m\u1eb7t h\u00e0ng.<\/td>\n<td>M\u1ed7i ph\u1ea7n t\u1eed tr\u1ecf t\u1edbi ph\u1ea7n t\u1eed ti\u1ebfp theo, cung c\u1ea5p gi\u1ea3i ph\u00e1p linh ho\u1ea1t v\u00e0 hi\u1ec7u qu\u1ea3 \u0111\u1ec3 ch\u00e8n v\u00e0 x\u00f3a.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 t\u01b0\u01a1ng lai<\/h2>\n<p>Trong th\u1ebf gi\u1edbi khoa h\u1ecdc d\u1eef li\u1ec7u v\u00e0 h\u1ecdc m\u00e1y \u0111ang ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng, m\u1ea3ng v\u00e0 c\u00e1c \u0111\u1ed1i t\u00e1c linh ho\u1ea1t h\u01a1n c\u1ee7a ch\u00fang nh\u01b0 m\u1ea3ng \u0111\u1ed9ng v\u00e0 tensor (m\u1ea3ng \u0111a chi\u1ec1u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong khung h\u1ecdc s\u00e2u) \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng.<\/p>\n<p>T\u00ednh to\u00e1n song song, m\u1ed9t lo\u1ea1i t\u00ednh to\u00e1n trong \u0111\u00f3 nhi\u1ec1u ph\u00e9p t\u00ednh \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ed3ng th\u1eddi, ch\u1ee7 y\u1ebfu d\u1ef1a v\u00e0o m\u1ea3ng \u0111\u1ec3 ph\u00e2n chia nhi\u1ec7m v\u1ee5 th\u00e0nh c\u00e1c nhi\u1ec7m v\u1ee5 ph\u1ee5. Trong t\u01b0\u01a1ng lai, khi d\u1eef li\u1ec7u ng\u00e0y c\u00e0ng l\u1edbn h\u01a1n v\u00e0 nhu c\u1ea7u t\u00ednh to\u00e1n nhanh h\u01a1n t\u0103ng l\u00ean, vi\u1ec7c s\u1eed d\u1ee5ng m\u1ea3ng hi\u1ec7u qu\u1ea3 s\u1ebd l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft.<\/p>\n<h2>M\u00e1y ch\u1ee7 proxy v\u00e0 m\u1ea3ng<\/h2>\n<p>Trong b\u1ed1i c\u1ea3nh m\u00e1y ch\u1ee7 proxy gi\u1ed1ng nh\u01b0 m\u00e1y ch\u1ee7 do OneProxy cung c\u1ea5p, m\u1ea3ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 qu\u1ea3n l\u00fd m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn proxy. V\u00ed d\u1ee5: m\u1ed9t m\u1ea3ng c\u00f3 th\u1ec3 ch\u1ee9a danh s\u00e1ch \u0111\u1ecba ch\u1ec9 IP c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c m\u00e1y ch\u1ee7 proxy c\u00f3 s\u1eb5n. V\u1edbi kh\u1ea3 n\u0103ng truy c\u1eadp ng\u1eabu nhi\u00ean nhanh ch\u00f3ng do m\u1ea3ng cung c\u1ea5p, m\u1ed9t m\u00e1y ch\u1ee7 proxy c\u1ee5 th\u1ec3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ch\u1ecdn v\u00e0 tri\u1ec3n khai nhanh ch\u00f3ng d\u1ef1a tr\u00ean ch\u1ec9 m\u1ee5c c\u1ee7a n\u00f3 trong m\u1ea3ng.<\/p>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<ol>\n<li><a href=\"https:\/\/www.geeksforgeeks.org\/introduction-to-arrays\/\" target=\"_new\" rel=\"noopener nofollow\">Gi\u1edbi thi\u1ec7u v\u1ec1 M\u1ea3ng \u2013 GeeksforGeeks<\/a><\/li>\n<li><a href=\"https:\/\/www.programiz.com\/c-programming\/c-arrays\" target=\"_new\" rel=\"noopener nofollow\">M\u1ea3ng trong l\u1eadp tr\u00ecnh C \u2013 Programiz<\/a><\/li>\n<li><a href=\"https:\/\/realpython.com\/python-lists-tuples\/#python-arrays\" target=\"_new\" rel=\"noopener nofollow\">M\u1ea3ng v\u00e0 danh s\u00e1ch trong Python \u2013 Python th\u1ef1c<\/a><\/li>\n<li><a href=\"https:\/\/www.w3schools.com\/java\/java_arrays.asp\" target=\"_new\" rel=\"noopener nofollow\">M\u1ea3ng Java \u2013 W3Schools<\/a><\/li>\n<li><a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/JavaScript\/Reference\/Global_Objects\/Array\" target=\"_new\" rel=\"noopener nofollow\">Tham chi\u1ebfu m\u1ea3ng JavaScript \u2013 Mozilla<\/a><\/li>\n<\/ol>","protected":false},"featured_media":0,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-475910","wiki","type-wiki","status-publish","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Understanding Arrays: A Comprehensive Overview<\/mark>","faq_items":[{"question":"What is an array in computer science?","answer":"<p>An array is a static data structure that holds a fixed number of items of the same type. Essentially, it's a collection of like-type variables that are referred to by a common name.<\/p>"},{"question":"What is the history of the array?","answer":"<p>The concept of an array dates back to the advent of high-level programming languages in the 1950s, particularly with the development of Fortran, which was designed for scientific computation.<\/p>"},{"question":"How does an array function internally?","answer":"<p>Internally, an array stores its elements in consecutive memory locations. Given an index, an array can compute the exact memory address of the element corresponding to that index, offering constant-time (O(1)) access to any element.<\/p>"},{"question":"What are the key features of arrays?","answer":"<p>Key features of arrays include homogeneity (arrays can only contain elements of the same data type), fixed size (the size of an array cannot be changed once created), random access (each element in an array can be accessed directly using its index), and contiguous memory allocation (elements of an array are stored in consecutive memory locations).<\/p>"},{"question":"What types of arrays exist?","answer":"<p>There are various types of arrays depending on their dimensionality: One-dimensional arrays (a list of elements), two-dimensional arrays (an array of arrays, forming a matrix of elements), and multi-dimensional arrays (arrays with more than two dimensions).<\/p>"},{"question":"What are the common problems and solutions related to the use of arrays?","answer":"<p>The static nature of arrays can pose challenges when you need to add or remove elements frequently. Dynamic data structures like linked lists, stacks, and queues, or a dynamic array, provide more flexibility than arrays, resizing themselves as needed.<\/p>"},{"question":"How are arrays compared with similar constructs like lists, stacks, or queues?","answer":"<p>While arrays, lists, stacks, and queues all store multiple items, arrays differ in that their size is fixed, and elements are of the same type. Lists, on the other hand, are dynamic and can contain different types of elements. Stacks and queues operate on the principle of LIFO (Last In, First Out) and FIFO (First In, First Out) respectively.<\/p>"},{"question":"What are the future perspectives related to arrays?","answer":"<p>Arrays, especially dynamic arrays and tensors, play a crucial role in data science, machine learning, and parallel computing. As data gets even bigger and the need for faster computations increases, efficient use of arrays will be essential.<\/p>"},{"question":"How can proxy servers be associated with arrays?","answer":"<p>In the context of proxy servers, arrays can be used to manage a large number of proxies. For instance, an array could hold a list of IP addresses of all available proxy servers, allowing a specific proxy server to be quickly selected and deployed based on its index in the array.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/475910","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/475910\/revisions"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=475910"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}