{"id":3657,"date":"2023-01-08T10:11:01","date_gmt":"2023-01-08T10:11:01","guid":{"rendered":"https:\/\/topviecit.vn\/blog\/?p=3657"},"modified":"2023-11-03T04:07:05","modified_gmt":"2023-11-03T04:07:05","slug":"vector-c-la-gi","status":"publish","type":"post","link":"https:\/\/topviecit.vn\/blog\/vector-c-la-gi\/","title":{"rendered":"Vector C++ l\u00e0 g\u00ec? Nh\u1eefng ki\u1ebfn th\u1ee9c c\u0103n b\u1ea3n d\u00e0nh cho newbie"},"content":{"rendered":"\n<p>Ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh C++ \u0111\u00e3 v\u00e0 \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng m\u1ea1nh m\u1ebd hi\u1ec7n nay v\u00ec g\u1ea7n g\u0169i v\u1edbi ng\u00f4n ng\u1eef c\u1ee7a m\u00e1y. V\u1eady, c\u00e1c <strong><a href=\"https:\/\/topviecit.vn\/blog\/vector-c-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\">Vector C++ l\u00e0 g\u00ec<\/a><\/strong>? N\u1ebfu b\u1ea1n l\u00e0 newbie, h\u00e3y c\u00f9ng <a href=\"https:\/\/topviecit.vn\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>TopviecIT<\/strong><\/a> t\u00ecm hi\u1ec3u ngay trong b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y nh\u00e9.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_63 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/topviecit.vn\/blog\/vector-c-la-gi\/#Vector_C_la_gi\" title=\"Vector C++ l\u00e0 g\u00ec?\">Vector C++ l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/topviecit.vn\/blog\/vector-c-la-gi\/#Muc_dich_su_dung_Vector_C_la_gi\" title=\"M\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng Vector C++ l\u00e0 g\u00ec?\">M\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng Vector C++ l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/topviecit.vn\/blog\/vector-c-la-gi\/#Uu_diem_cua_Vector_C_la_gi\" title=\"\u01afu \u0111i\u1ec3m c\u1ee7a Vector C++ l\u00e0 g\u00ec?\">\u01afu \u0111i\u1ec3m c\u1ee7a Vector C++ l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/topviecit.vn\/blog\/vector-c-la-gi\/#Cac_dac_diem_va_tinh_nang_cua_Vector_C\" title=\"C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m v\u00e0 t\u00ednh n\u0103ng c\u1ee7a Vector C++\">C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m v\u00e0 t\u00ednh n\u0103ng c\u1ee7a Vector C++<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/topviecit.vn\/blog\/vector-c-la-gi\/#Thu_tu_cua_cac_vector_trong_C\" title=\"Th\u1ee9 t\u1ef1 c\u1ee7a c\u00e1c vector trong C++\">Th\u1ee9 t\u1ef1 c\u1ee7a c\u00e1c vector trong C++<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/topviecit.vn\/blog\/vector-c-la-gi\/#Co_che_ngan_chan_ro_ri_bo_nho_cua_Vector_C\" title=\"C\u01a1 ch\u1ebf ng\u0103n ch\u1eb7n r\u00f2 r\u1ec9 b\u1ed9 nh\u1edb c\u1ee7a Vector C++\">C\u01a1 ch\u1ebf ng\u0103n ch\u1eb7n r\u00f2 r\u1ec9 b\u1ed9 nh\u1edb c\u1ee7a Vector C++<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/topviecit.vn\/blog\/vector-c-la-gi\/#Kha_nang_tu_ghi_nho_do_dai_cua_vector\" title=\"Kh\u1ea3 n\u0103ng t\u1ef1 ghi nh\u1edb \u0111\u1ed9 d\u00e0i c\u1ee7a vector\">Kh\u1ea3 n\u0103ng t\u1ef1 ghi nh\u1edb \u0111\u1ed9 d\u00e0i c\u1ee7a vector<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Vector_C_la_gi\"><\/span><strong>Vector C++ l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Tr\u01b0\u1edbc khi t\u00ecm hi\u1ec3u v\u1ec1 Vector C++ l\u00e0 g\u00ec, b\u1ea1n c\u1ea7n hi\u1ec3u v\u1ec1 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh C++ l\u00e0 g\u00ec. Ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh C++ l\u00e0 m\u1ed9t d\u1ea1ng ng\u00f4n ng\u1eef t\u1ef1 do, <a href=\"https:\/\/topviecit.vn\/blog\/lap-trinh-huong-doi-tuong\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>l\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng<\/strong><\/a>, generic v\u00e0 c\u00f3 t\u00ednh th\u1ee7 t\u1ee5c. Vector trong C++ \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n t\u1eeb c\u00e1c t\u00ednh n\u0103ng g\u1ed1c c\u1ee7a ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh n\u00e0y.<\/p>\n\n\n\n<p>Trong C++, vector \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u01b0u tr\u1eef c\u00e1c ph\u1ea7n t\u1eed c\u00f3 ki\u1ec3u d\u1eef li\u1ec7u t\u01b0\u01a1ng t\u1ef1 nhau. Tuy nhi\u00ean, kh\u00f4ng gi\u1ed1ng nh\u01b0 m\u1ea3ng, k\u00edch th\u01b0\u1edbc c\u1ee7a m\u1ed9t Vector c\u00f3 th\u1ec3 t\u0103ng l\u00ean m\u1ed9t c\u00e1ch linh ho\u1ea1t. C\u00e1c Vector C++ c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi v\u1edbi t\u00ean kh\u00e1c l\u00e0 <strong><em>std::vector<\/em><\/strong> v\u00e0 n\u00f3 ch\u1ee9a c\u00e1c tr\u00ecnh t\u1ef1 \u0111\u1ea1i di\u1ec7n cho c\u00e1c m\u1ea3ng, c\u00f3 th\u1ec3 thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc.&nbsp;<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/01\/vector-c-la-gi-topcv-1.jpg\" alt=\"Vector C++ s\u1ebd thu\u1ed9c c\u00e1c m\u1ea3ng \u0111\u1ed9ng (dynamic array)\" class=\"wp-image-3659\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/01\/vector-c-la-gi-topcv-1.jpg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/01\/vector-c-la-gi-topcv-1-640x400.jpg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/01\/vector-c-la-gi-topcv-1-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>Vector C++ s\u1ebd thu\u1ed9c c\u00e1c m\u1ea3ng \u0111\u1ed9ng (dynamic array)<\/em><\/figcaption><\/figure><\/div>\n\n\n<p>Vector C++ thu\u1ed9c c\u00e1c m\u1ea3ng \u0111\u1ed9ng (dynamic array). C\u00e1c vector l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a Th\u01b0 vi\u1ec7n m\u1eabu chu\u1ea9n C++. \u0110\u1ec3 s\u1eed d\u1ee5ng vector, b\u1ea1n c\u1ea7n \u0111\u01b0a vector t\u1ec7p ti\u00eau \u0111\u1ec1 v\u00e0o ch\u01b0\u01a1ng tr\u00ecnh c\u1ee7a m\u00ecnh. C\u00e1c khu v\u1ef1c ch\u1ee9a vector c\u00f3 th\u1ec3 ph\u00e2n b\u1ed5 kh\u00f4ng gian l\u01b0u tr\u1eef b\u1ed5 sung \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi kh\u1ea3 n\u0103ng t\u0103ng tr\u01b0\u1edfng. Do \u0111\u00f3, ch\u00fang th\u01b0\u1eddng c\u00f3 dung l\u01b0\u1ee3ng l\u1edbn h\u01a1n so v\u1edbi nh\u1eefng g\u00ec \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong \u0111\u00f3.<\/p>\n\n\n\n<p><strong>T\u00ecm hi\u1ec3u th\u00eam: <a href=\"https:\/\/topviecit.vn\/blog\/ngon-ngu-lap-trinh-c-va-c\/\" target=\"_blank\" rel=\"noreferrer noopener\">Ng\u00f4n Ng\u1eef L\u1eadp Tr\u00ecnh C V\u00e0 C++ Kh\u00e1c Nhau Nh\u01b0 Th\u1ebf N\u00e0o?<\/a><\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Muc_dich_su_dung_Vector_C_la_gi\"><\/span><strong>M\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng Vector C++ l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>V\u1eady, m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng c\u1ee7a Vector C++ l\u00e0 g\u00ec? V\u00ec c\u00e1c vector&nbsp; C++ th\u1ef1c hi\u1ec7n ph\u00e2n b\u1ed5 l\u1ea1i t\u1ef1 \u0111\u1ed9ng n\u00ean ch\u00fang c\u00f3 th\u1ec3 qu\u1ea3n l\u00fd l\u01b0u tr\u1eef v\u00e0 ph\u00e1t tri\u1ec3n \u0111\u1ed9ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. Tuy ti\u00eau t\u1ed1n kh\u00e1 nhi\u1ec1u b\u1ed9 nh\u1edb h\u01a1n so v\u1edbi c\u00e1c arrays, nh\u01b0ng ch\u00fang c\u00f3 t\u00ednh hi\u1ec7u qu\u1ea3 v\u00e0 linh ho\u1ea1t t\u1ed1t h\u01a1n. V\u00ec v\u1eady, Vector C++ \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>B\u1ea1n kh\u00f4ng mu\u1ed1n t\u1ea1o ra c\u00e1c m\u1ea3ng m\u1edbi t\u1eeb \u0111\u1ea7u hay th\u1ef1c hi\u1ec7n copy th\u1ee7 c\u00f4ng c\u00e1c ph\u1ea7n t\u1eed.<\/li>\n\n\n\n<li>C\u00f3 th\u1ec3 thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc c\u1ee7a m\u1ea3ng m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i th\u1ef1c hi\u1ec7n l\u1ea1i c\u00e1c b\u01b0\u1edbc t\u1eeb \u0111\u1ea7u.<\/li>\n\n\n\n<li>B\u1ea1n mu\u1ed1n c\u00f3 s\u1ef1 thay \u0111\u1ed5i m\u1edbi m\u1ebb h\u01a1n so v\u1edbi vi\u1ec7c qu\u1ea3n l\u00fd c\u00e1c m\u1ea3ng \u0111\u1ed9ng b\u1eb1ng con tr\u1ecf C++.<\/li>\n<\/ul>\n\n\n\n<p><strong>T\u00ecm hi\u1ec3u th\u00eam:<\/strong> <a href=\"https:\/\/topviecit.vn\/blog\/ngon-ngu-lap-trinh-c-co-ban\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>H\u01b0\u1edbng d\u1eabn h\u1ecdc ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh C++ c\u01a1 b\u1ea3n d\u00e0nh cho ng\u01b0\u1eddi m\u1edbi<\/strong><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Uu_diem_cua_Vector_C_la_gi\"><\/span><strong>\u01afu \u0111i\u1ec3m c\u1ee7a Vector C++ l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>V\u1eady, c\u00e1ch \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c nh\u1eefng m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng Vector C++ l\u00e0 g\u00ec? M\u1ed9t s\u1ed1 \u01b0u \u0111i\u1ec3m, \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a Vector C++ sau \u0111\u00e2y c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n hi\u1ec3u h\u01a1n v\u00ec sao vector n\u00e0y gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c nh\u1eefng v\u1ea5n \u0111\u1ec1 \u1edf tr\u00ean. Bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vi\u1ec7c l\u01b0u tr\u1eef b\u1eb1ng Vector C++ s\u1ebd kh\u00f4ng h\u1ea1n ch\u1ebf v\u1ec1 k\u00edch th\u01b0\u1edbc t\u1ed1i \u0111a, do \u0111\u00f3 n\u00f3 s\u1ebd \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p n\u1ebfu b\u1ea1n ch\u01b0a bi\u1ebft tr\u01b0\u1edbc d\u1eef li\u1ec7u mu\u1ed1n l\u01b0u tr\u1eef c\u00f3 k\u00edch th\u01b0\u1edbc bao nhi\u00eau.<\/li>\n\n\n\n<li>Kh\u1ea3 n\u0103ng thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc c\u1ee7a Vector C++ gi\u00fap x\u1eed l\u00fd c\u00e1c y\u1ebfu t\u1ed1 \u0111\u1ed9ng d\u1ec5 d\u00e0ng h\u01a1n.<\/li>\n\n\n\n<li>V\u00ec vect\u01a1 C++ l\u00e0 m\u1ed9t l\u1edbp m\u1eabu, b\u1ea1n kh\u00f4ng c\u1ea7n ph\u1ea3i nh\u1eadp c\u00f9ng m\u1ed9t m\u00e3 \u0111\u1ec3 x\u1eed l\u00fd c\u00e1c d\u1eef li\u1ec7u kh\u00e1c nhau.<\/li>\n\n\n\n<li>B\u1ea5t k\u1ef3 khi n\u00e0o t\u1ed5ng dung l\u01b0\u1ee3ng b\u1ed9 nh\u1edb \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, qu\u00e1 tr\u00ecnh ph\u00e2n b\u1ed5 l\u1ea1i s\u1ebd \u0111\u01b0\u1ee3c t\u1ef1 \u0111\u1ed9ng di\u1ec5n ra m\u00e0 kh\u00f4ng c\u1ea7n can thi\u1ec7p, thao t\u00e1c qu\u00e1 nhi\u1ec1u.<\/li>\n\n\n\n<li>B\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng sao ch\u00e9p v\u00e0 g\u00e1n c\u00e1c vect\u01a1 kh\u00e1c khi s\u1eed d\u1ee5ng Vector C++.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/01\/vector-c-la-gi-topcv-2.jpg\" alt=\"Vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c vector C++ mang \u0111\u1ebfn nhi\u1ec1u l\u1ee3i \u00edch cho l\u1eadp tr\u00ecnh vi\u00ean\" class=\"wp-image-3660\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/01\/vector-c-la-gi-topcv-2.jpg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/01\/vector-c-la-gi-topcv-2-640x400.jpg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/01\/vector-c-la-gi-topcv-2-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>Vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c vector C++ mang \u0111\u1ebfn nhi\u1ec1u l\u1ee3i \u00edch cho l\u1eadp tr\u00ecnh vi\u00ean<\/em><\/figcaption><\/figure><\/div>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cac_dac_diem_va_tinh_nang_cua_Vector_C\"><\/span><strong>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m v\u00e0 t\u00ednh n\u0103ng c\u1ee7a Vector C++<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>B\u00ean c\u1ea1nh nh\u1eefng v\u1ea5n \u0111\u1ec1 tr\u00ean, b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 tham kh\u1ea3o th\u00eam m\u1ed9t s\u1ed1 \u0111\u1eb7c \u0111i\u1ec3m kh\u00e1c c\u1ee7a Vector C++ sau \u0111\u00e2y \u0111\u1ec3 s\u1eed d\u1ee5ng n\u00f3 hi\u1ec7u qu\u1ea3 h\u01a1n nh\u00e9. Bao g\u1ed3m:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Thu_tu_cua_cac_vector_trong_C\"><\/span><strong>Th\u1ee9 t\u1ef1 c\u1ee7a c\u00e1c vector trong C++<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>T\u00ecm hi\u1ec3u v\u1ec1 v\u1ea5n \u0111\u1ec1 th\u1ee9 t\u1ef1 c\u1ee7a c\u00e1c Vector C++ l\u00e0 \u0111i\u1ec1u m\u00e0 c\u00e1c b\u1ea1n newbie s\u1ebd th\u1ef1c hi\u1ec7n \u0111\u1ea7u ti\u00ean. Tr\u00ean th\u1ef1c t\u1ebf, h\u1ec7 th\u1ed1ng c\u00e1c vector kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp trong C++. Nh\u1eefng ph\u1ea7n t\u1eed vector n\u00e0y \u0111\u01b0\u1ee3c \u0111\u1eb7t trong b\u1ed9 nh\u1edb li\u00ean k\u1ec1 \u0111\u1ec3 ch\u00fang truy c\u1eadp, di chuy\u1ec3n trong c\u00e1c iterator, l\u00fac n\u00e0y d\u1eef li\u1ec7u s\u1ebd \u0111\u01b0\u1ee3c ch\u00e8n v\u00e0o cu\u1ed1i. Ch\u00e8n &#8211; x\u00f3a \u1edf \u0111\u1ea7u hay gi\u1eefa vector s\u1ebd mang t\u00ednh ch\u1ea5t tuy\u1ebfn t\u00ednh theo th\u1eddi gian.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Co_che_ngan_chan_ro_ri_bo_nho_cua_Vector_C\"><\/span><strong>C\u01a1 ch\u1ebf ng\u0103n ch\u1eb7n r\u00f2 r\u1ec9 b\u1ed9 nh\u1edb c\u1ee7a Vector C++<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Khi m\u1ed9t Vector C++ r\u1eddi kh\u1ecfi ph\u1ea1m vi code m\u00e0 ch\u01b0\u01a1ng tr\u00ecnh \u0111ang \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n, n\u00f3 s\u1ebd t\u1ef1 \u0111\u1ed9ng gi\u1ea3i ph\u00f3ng nh\u1eefng ph\u1ea7n b\u1ed9 nh\u1edb m\u00e0 n\u00f3 ki\u1ec3m so\u00e1t. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m b\u1edbt nh\u1eefng b\u1ed9 nh\u1edb kh\u00f4ng c\u1ea7n thi\u1ebft cho h\u1ec7 th\u1ed1ng. Do \u0111\u00f3, vi\u1ec7c s\u1eed d\u1ee5ng Vector C++ th\u1ef1c s\u1ef1 mang l\u1ea1i ti\u1ec7n l\u1ee3i khi l\u1eadp tr\u00ecnh vi\u00ean kh\u00f4ng mu\u1ed1n t\u1ef1 tay gi\u1ea3i ph\u00f3ng b\u1ed9 nh\u1edb. Ngo\u00e0i ra, Vector C++ c\u0169ng s\u1ebd gi\u00fap ng\u0103n ng\u1eeba \u0111\u01b0\u1ee3c vi\u1ec7c r\u00f2 r\u1ec9 b\u1ed9 nh\u1edb memory leaks.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Kha_nang_tu_ghi_nho_do_dai_cua_vector\"><\/span><strong>Kh\u1ea3 n\u0103ng t\u1ef1 ghi nh\u1edb \u0111\u1ed9 d\u00e0i c\u1ee7a vector<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>M\u1ed9t trong nh\u1eefng t\u00ednh n\u0103ng kh\u00e1c c\u1ee7a Vector C++ l\u00e0 n\u00f3 c\u00f3 kh\u1ea3 n\u0103ng t\u1ef1 ghi nh\u1edb \u0111\u1ed9 d\u00e0i c\u1ee7a ch\u00ednh m\u00ecnh. Kh\u00e1c v\u1edbi c\u00e1c m\u1ea3ng array \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p s\u1eb5n, Vector C++ c\u00f3 kh\u1ea3 n\u0103ng t\u1ef1 theo d\u00f5i \u0111\u1ed9 d\u00e0i, t\u1eeb \u0111\u00f3, b\u1ea1n c\u00f3 th\u1ec3 l\u1ea5y \u0111\u01b0\u1ee3c \u0111\u1ed9 d\u00e0i vector th\u00f4ng qua h\u00e0m size(). Vector C++ s\u1ebd kh\u1eafc ph\u1ee5c \u0111\u01b0\u1ee3c nh\u1eefng nh\u01b0\u1ee3c \u0111i\u1ec3m nh\u01b0 kh\u00f4ng bi\u1ebft \u0111\u1ed9 d\u00e0i m\u1ea3ng \u0111ang tr\u1ecf t\u1edbi bao nhi\u00eau c\u1ee7a c\u00e1c m\u1ea3ng array th\u00f4ng th\u01b0\u1eddng.<\/p>\n\n\n\n<p><strong>Xem th\u00eam: <a href=\"https:\/\/topviecit.vn\/blog\/ngon-ngu-lap-trinh-c-sharp\/\" target=\"_blank\" rel=\"noreferrer noopener\">Ng\u00f4n Ng\u1eef L\u1eadp Tr\u00ecnh C Sharp L\u00e0 G\u00ec? \u0110i\u1ec3m \u0110\u1eb7c Tr\u01b0ng C\u1ee7a C#<\/a><\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/01\/vector-c-la-gi-topcv-3.jpg\" alt=\"Vector C++ c\u00f3 kh\u1ea3 n\u0103ng t\u1ef1 ghi nh\u1edb \u0111\u1ed9 d\u00e0i c\u1ee7a ch\u00ednh m\u00ecnh\" class=\"wp-image-3661\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/01\/vector-c-la-gi-topcv-3.jpg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/01\/vector-c-la-gi-topcv-3-640x400.jpg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/01\/vector-c-la-gi-topcv-3-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>Vector C++ c\u00f3 kh\u1ea3 n\u0103ng t\u1ef1 ghi nh\u1edb \u0111\u1ed9 d\u00e0i c\u1ee7a ch\u00ednh m\u00ecnh<\/em><\/figcaption><\/figure><\/div>\n\n\n<p>Hy v\u1ecdng v\u1edbi b\u00e0i vi\u1ebft <strong><a href=\"https:\/\/topviecit.vn\/blog\/chuyen-muc\/chia-se-kinh-nghiem\/\" target=\"_blank\" rel=\"noreferrer noopener\">chia s\u1ebb kinh nghi\u1ec7m<\/a><\/strong> n\u00e0y, b\u1ea1n \u0111\u00e3 hi\u1ec3u h\u01a1n v\u1ec1 <strong>Vector C++ l\u00e0 g\u00ec <\/strong>v\u00e0 nh\u1eefng v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn Vector C++ l\u00e0 g\u00ec. Ngo\u00e0i ra, b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 truy c\u1eadp v\u00e0o <a href=\"https:\/\/www.topcv.vn\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">TopCV<\/mark><\/strong><\/a> n\u1ebfu \u0111ang quan t\u00e2m \u0111\u1ebfn nh\u1eefng c\u01a1 h\u1ed9i <strong><a href=\"https:\/\/www.topcv.vn\/viec-lam\" target=\"_blank\" rel=\"noreferrer noopener\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">vi\u1ec7c l\u00e0m h\u1ea5p d\u1eabn<\/mark><\/a><\/strong> c\u1ea7n \u0111\u1ebfn ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh C++ \u0111\u1ec3 ti\u1ebfp c\u1eadn v\u1edbi nhi\u1ec1u tin tuy\u1ec3n d\u1ee5ng ch\u1ea5t l\u01b0\u1ee3ng h\u01a1n nh\u00e9.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh C++ \u0111\u00e3 v\u00e0 \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng m\u1ea1nh m\u1ebd hi\u1ec7n nay v\u00ec g\u1ea7n g\u0169i v\u1edbi ng\u00f4n ng\u1eef c\u1ee7a m\u00e1y. V\u1eady, c\u00e1c Vector C++ l\u00e0 g\u00ec? N\u1ebfu b\u1ea1n l\u00e0 newbie, h\u00e3y c\u00f9ng TopviecIT t\u00ecm hi\u1ec3u ngay trong b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y nh\u00e9. Vector C++ l\u00e0 g\u00ec? Tr\u01b0\u1edbc khi t\u00ecm hi\u1ec3u v\u1ec1 Vector [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3658,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"cybocfi_hide_featured_image":"","footnotes":""},"categories":[86],"tags":[999,1001,1000,1002,998,996,997],"class_list":["post-3657","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chia-se-kinh-nghiem","tag-c-vector","tag-khai-bao-vector-trong-c","tag-mang-vector-trong-c","tag-nhap-xuat-vector-c","tag-vector-c","tag-vector-c-la-gi","tag-vector-trong-c"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Vector C++ l\u00e0 g\u00ec? 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