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{"id":17905,"date":"2024-03-20T10:09:52","date_gmt":"2024-03-20T10:09:52","guid":{"rendered":"https:\/\/soicau1119.minhngocxoso.com\/?p=17905"},"modified":"2024-03-20T10:09:52","modified_gmt":"2024-03-20T10:09:52","slug":"de-kep-la-nhung-con-gi-co-nhung-loai-de-kep-nao","status":"publish","type":"post","link":"https:\/\/dudoantrungthuong.top\/de-kep-la-nhung-con-gi-co-nhung-loai-de-kep-nao\/","title":{"rendered":"\u0110\u1ec1 k\u00e9p l\u00e0 nh\u1eefng con g\u00ec?\u00a0C\u00f3 nh\u1eefng lo\u1ea1i \u0111\u1ec1 k\u00e9p n\u00e0o?"},"content":{"rendered":"
Mu\u1ed1n bi\u1ebft ch\u00ednh x\u00e1c \u0111\u1ec1 k\u00e9p g\u1ed3m nh\u1eefng con s\u1ed1 n\u00e0o c\u1ea7n ph\u1ee5 thu\u1ed9c v\u00e0o t\u1eebng lo\u1ea1i kh\u00e1c nhau. Sau \u0111\u00e2y l\u00e0 th\u00f4ng tin ng\u01b0\u1eddi ch\u01a1i c\u1ea7n bi\u1ebft v\u00e0 n\u1eafm r\u00f5:<\/p>\n
Ngay t\u1eeb khi \u0111\u1ecdc c\u00e1i t\u00ean, b\u1ea1n v\u1eabn c\u00f3 th\u1ec3 n\u1eafm r\u00f5 k\u00e9p b\u1eb1ng l\u00e0 t\u1eadp h\u1ee3p c\u00e1c con s\u1ed1 hai ch\u1eef s\u1ed1 y h\u1ec7t nhau. K\u00e9p b\u1eb1ng bao nhi\u00eau ng\u00e0y v\u1ec1? Th\u01b0\u1eddng th\u00ec khi c\u00f3 d\u1ea5u hi\u1ec7u v\u1ec1 k\u00e9p, kho\u1ea3ng 3 \u2013 5 ng\u00e0y k\u00e9p b\u1eb1ng s\u1ebd n\u1ed5. D\u00e0n \u0111\u1ec1 k\u00e9p b\u1eb1ng g\u1ed3m c\u00e1c con s\u1ed1 \u0111\u00f3 l\u00e0 33, 44, 77, 88, 11, 66, 22, 00, 55, 99. Trong qu\u00e1 tr\u00ecnh \u00e1p d\u1ee5ng b\u1ed9 k\u00e9p b\u1eb1ng \u0111\u1ec3 ch\u01a1i l\u00f4 \u0111\u1ec1, ng\u01b0\u1eddi ch\u01a1i c\u1ea7n ph\u00e1t tri\u1ec3n th\u00eam c\u00e1c b\u1ed9 s\u1ed1 m\u1edbi d\u1ef1a theo b\u1ed9 k\u00e9p. \u0110\u1ea5y ch\u00ednh l\u00e0 nh\u1eefng b\u1ed9 s\u1ed1 k\u00e9p \u00e2m, k\u00e9p l\u1ec7ch, s\u00e1t k\u00e9p.<\/p>\n
B\u1ed9 \u0111\u1ec1 k\u00e9p n\u00e0y \u0111\u01a1n gi\u1ea3n h\u01a1n k\u00e9p l\u1ec7ch. Ng\u01b0\u1eddi ta chia b\u1ed9 s\u00e1t k\u00e9p th\u00e0nh hai lo\u1ea1i l\u00e0 s\u00e1t k\u00e9p l\u1ec7ch v\u00e0 s\u00e1t k\u00e9p b\u1eb1ng.<\/p>\n
B\u1ed9 \u00e1p k\u00e9p l\u1ec7ch g\u1ed3m 20 s\u1ed1, g\u1ed3m s\u1ed1 li\u1ec1n k\u1ec1 v\u1edbi nh\u1eefng s\u1ed1 thu\u1ed9c b\u1ed9 k\u00e9p l\u1ec7ch. D\u00e0n s\u00e1t k\u00e9p l\u1ec7ch bao g\u1ed3m c\u00e1c s\u1ed1 sau: 39, 82, 26, 84, 06, 49, 51, 28, 71, 17, 60, 37, 48, 50, 04, 15, 62, 73, 93, 95. B\u1ed9 s\u1ed1 c\u00f3 trong tr\u00f2 l\u00f4 \u0111\u1ec1 ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi ph\u00e1t tri\u1ec3n. Sau n\u00e0y, ng\u01b0\u1eddi ta c\u00f3 \u0111\u1ecbnh ngh\u0129a c\u1ee7a b\u00f3ng \u00e2m r\u1ed3i t\u00ecm th\u00eam b\u1ed9 s\u1ed1 k\u00e9p \u00e2m.<\/p>\n
<\/p>\n
Lo\u1ea1i \u0111\u1ec1 n\u00e0y c\u0169ng g\u1ed3m c\u00f3 20 s\u1ed1, c\u1ee5 th\u1ec3 nh\u01b0 sau: 76, 01, 78, 21, 23, 43, 54, 98, 09, 56, 67, 10,12, 32, 34, 45, 65, 87, 89, 90. Ng\u01b0\u1eddi ch\u01a1i c\u1ea7n ch\u00fa \u00fd, m\u1ed9t s\u1ed1 n\u01a1i kh\u00f4ng t\u00ednh c\u1eb7p s\u1ed1 09, 90 trong b\u1ed9 s\u00e1t k\u00e9p b\u1eb1ng. Do \u0111\u00f3, ng\u01b0\u1eddi ch\u01a1i n\u00ean t\u00ecm hi\u1ec3u k\u1ef9 \u0111i\u1ec1u n\u00e0y \u0111\u1ec3 ch\u01a1i l\u00f4 \u0111\u1ec1.<\/p>\n
C\u00e1c c\u1eb7p b\u00f3ng c\u1ea7n quan t\u00e2m khi \u0111\u00e1nh k\u00e9p l\u1ec7ch \u0111\u00f3 l\u00e0:<\/p>\n
Do \u0111\u00f3, nh\u1eefng b\u1ed9 s\u1ed1 b\u00f3ng c\u00f3 m\u1ed9t v\u00e0i s\u1ed1 tr\u00f9ng nhau. C\u00f2n l\u1ea1i l\u00e0 c\u1ea3 hai s\u1ed1 ho\u1eb7c b\u00f3ng \u0111\u1ec1u c\u1ee7a nhau. Ng\u01b0\u1eddi ch\u01a1i c\u00f3 th\u1ec3 d\u1ef1a theo v\u00ed d\u1ee5 sau \u0111\u1ec3 d\u1ec5 h\u00ecnh dung h\u01a1n:<\/p>\n
\u0110\u1ec3 d\u1ec5 nh\u1edb h\u01a1n, ch\u00fang ta c\u00f3 quy t\u1eafc hai s\u1ed1 \u0111\u01a1n v\u1ecb \u00edt h\u01a1n nhau 5 l\u00e0 b\u00f3ng c\u1ee7a nhau. D\u1ef1a theo \u0111\u1ecbnh ngh\u0129a b\u1ed9 s\u1ed1 b\u00f3ng ng\u01b0\u1eddi tham gia m\u1edf r\u1ed9ng b\u1ed9 k\u00e9p. Ta c\u00f3 b\u00f3ng c\u1ee7a 11 l\u00e0 16, b\u00f3ng c\u1ee7a 00 l\u00e0 05\u2026 Ti\u1ebfp t\u1ee5c t\u00ednh theo nh\u01b0 v\u1eady ta t\u00ecm \u0111\u01b0\u1ee3c b\u1ed9 k\u00e9p l\u1ec7ch 10 s\u1ed1 bao g\u1ed3m 83, 49, 50, 16, 72, 38, 05, 61, 27, 94.<\/p>\n
B\u1ed9 s\u1ed1 b\u00f3ng ph\u00eda tr\u00ean \u0111\u01b0\u1ee3c ng\u01b0\u1eddi ch\u01a1i l\u00f4 \u0111\u1ec1 l\u00e2u n\u0103m quy \u0111\u1ecbnh l\u00e0 b\u1ed9 b\u00f3ng d\u01b0\u01a1ng. Hai b\u1ed9 b\u00f3ng s\u1ed1 \u00e2m v\u00e0 d\u01b0\u01a1ng \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh theo tuy\u1ebft ng\u0169 h\u00e0nh, \u00e2m d\u01b0\u01a1ng. Trong b\u00e0i vi\u1ebft n\u00e0y, s\u1ebd kh\u00f4ng t\u1eadp trung chia s\u1ebb cho ng\u01b0\u1eddi ch\u01a1i v\u1ec1 \u0111i\u1ec1u n\u00e0y. Nh\u1eefng c\u1eb7p b\u00f3ng \u00e2m \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y nh\u01b0 sau:<\/p>\n
Hai s\u1ed1 b\u00f3ng \u00e2m c\u1ee7a nhau khi hai s\u1ed1 l\u00e0 b\u00f3ng \u00e2m ho\u1eb7c tr\u00f9ng m\u1ed9t ch\u1eef s\u1ed1. \u0110\u1ed3ng th\u1eddi b\u00f3ng \u00e2m c\u1ee7a nhau l\u00e0 s\u1ed1 c\u00f2n l\u1ea1i. Ng\u01b0\u1eddi ch\u01a1i c\u00f3 th\u1ec3 tham kh\u1ea3o nh\u1eefng v\u00ed d\u1ee5 minh h\u1ecda sau \u0111\u1ec3 d\u1ec5 h\u00ecnh dung ra h\u01a1n:<\/p>\n
T\u1eeb \u0111\u1ecbnh ngh\u0129a c\u1ee7a b\u00f3ng \u00e2m, ch\u00fang ta d\u1ec5 t\u00ecm \u0111\u01b0\u1ee3c cho m\u00ecnh b\u1ed9 s\u1ed1 k\u00e9p \u00e2m. \u0110\u00e2y l\u00e0 b\u1ed9 s\u1ed1 m\u00e0 hai ch\u1eef s\u1ed1 c\u1ee7a ch\u00fang \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh l\u00e0m b\u00f3ng \u00e2m c\u1ee7a nhau. K\u00e9p \u00e2m g\u1ed3m nh\u1eefng con s\u1ed1 nh\u01b0 sau: 70, 14, 63, 58, 41, 29, 07, 92, 36, 85. Kh\u00f4ng gi\u1ed1ng nh\u01b0 b\u1ed9 s\u1ed1 k\u00e9p theo \u0111\u1ecbnh ngh\u0129a c\u1ee7a b\u00f3ng \u00e2m, ch\u00fang ta t\u00ecm \u0111\u01b0\u1ee3c b\u1ed9 s\u1ed1 k\u00e9p \u00e2m d\u1ea1ng l\u1ec7ch theo \u0111\u1ecbnh ngh\u0129a b\u00f3ng \u00e2m.<\/p>\n