{"id":4880,"date":"2019-02-24T17:20:31","date_gmt":"2019-02-24T14:20:31","guid":{"rendered":"http:\/\/java.mazurok.com\/?p=4880"},"modified":"2019-04-11T00:39:20","modified_gmt":"2019-04-10T21:39:20","slug":"%d1%8e1-19","status":"publish","type":"post","link":"https:\/\/java.mazurok.com\/?p=4880","title":{"rendered":"\u042e1.19"},"content":{"rendered":"

\u0423\u0441\u043b\u043e\u0432\u0438\u0435 \u0437\u0430\u0434\u0430\u0447\u0438<\/h3>\n

\u041d\u0430\u0439\u0442\u0438 \u043a\u043e\u043e\u0440\u0434\u0438\u043d\u0430\u0442\u044b \u0432\u0435\u0440\u0448\u0438\u043d\u044b \u043f\u0430\u0440\u0430\u0431\u043e\u043b\u044b \\[y = ax^{2}+bx+c\\]\n

\u0410\u043b\u0433\u043e\u0440\u0438\u0442\u043c \u0440\u0435\u0448\u0435\u043d\u0438\u044f<\/h3>\n

\u041c\u044b \u0437\u043d\u0430\u0435\u043c \u043a\u043e\u043e\u0440\u0434\u0438\u043d\u0430\u0442\u044b \u0432\u0435\u0440\u0448\u0438\u043d\u044b \u043f\u0430\u0440\u0430\u0431\u043e\u043b\u044b \u0432\u044b\u0447\u0438\u0441\u043b\u044f\u044e\u0442\u0441\u044f \u043f\u043e \u0444\u043e\u0440\u043c\u0443\u043b\u0430\u043c:<\/p>\n

1) \\[x_{0} = — \\frac{b}{2 \\cdot a}\\]\n 2) \\[y_{0} = ax_{0}^{2}+bx_{0}+c\\]\n

(\u0414\u043b\u044f \u043f\u0440\u043e\u0441\u0442\u043e\u0442\u044b \u0432 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0435 [latex]x_{0}[\/latex] \u0438 [latex]y_{0}[\/latex] \u0437\u0430\u043c\u0435\u043d\u0435\u043d\u044b \u043d\u0430 [latex]x[\/latex] \u0438 [latex]y[\/latex] \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0435\u043d\u043d\u043e). <\/p>\n

\u0422\u0435\u043f\u0435\u0440\u044c \u0443\u0447\u0442\u0435\u043c \u0441\u0438\u0442\u0443\u0430\u0446\u0438\u0438 \u0432 \u043f\u0440\u043e\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043c\u043e\u0433\u0443\u0442 \u0432\u043e\u0437\u043d\u0438\u043a\u043d\u0443\u0442\u044c \u0441\u043b\u043e\u0436\u043d\u043e\u0441\u0442\u0438:
\n\u0415\u0441\u043b\u0438 [latex]a=0[\/latex], \u0442\u043e \u0433\u0440\u0430\u0444\u0438\u043a [latex]y(x)[\/latex] \u043d\u0435 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043f\u0430\u0440\u0430\u0431\u043e\u043b\u043e\u0439, \u043e \u0447\u0435\u043c \u043d\u0430 \u0434\u043e\u043b\u0436\u0435\u043d \u043f\u0440\u043e\u0438\u043d\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440. \u042d\u0442\u043e \u0432\u0441\u0435 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0435 \u0441 \u0433\u0440\u0430\u0444\u0438\u043a\u043e\u043c.<\/p>\n

\u042d\u0442\u043e \u0432\u0441\u0435 \u0441\u043b\u043e\u0436\u043d\u043e\u0441\u0442\u0438 \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043c\u043e\u0433\u0443\u0442 \u043f\u043e\u0432\u0441\u0442\u0440\u0435\u0447\u0430\u0442\u044c\u0441\u044f \u043d\u0430 \u043d\u0430 \u043f\u0443\u0442\u0438 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u0434\u0430\u043d\u043d\u043e\u0439 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u044b, \u0442\u0430\u043a \u043d\u0438\u0447\u0435\u0433\u043e \u043d\u0435 \u043c\u0435\u0448\u0430\u0435\u0442 \u043d\u0430\u043c \u043d\u0430\u043f\u0438\u0441\u0430\u0442\u044c \u0434\u0430\u043d\u043d\u0443\u044e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0443. <\/p>\n

\u0422\u0435\u0441\u0442\u044b<\/h3>\n\n\n\n\n\n\n\n
\u2116<\/td>\n[latex]a[\/latex]<\/td>\n[latex]b[\/latex]<\/td>\n[latex]c[\/latex]<\/td>\n[latex]x[\/latex]<\/td>\n[latex]y[\/latex]<\/td>\n\u041a\u043e\u043c\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0439<\/td>\n<\/tr>\n
-1<\/td>\n-2<\/td>\n-3<\/td>\n1<\/td>\n-4<\/td>\n\u041f\u0440\u043e\u0439\u0434\u0435\u043d<\/td>\n<\/tr>\n
0<\/td>\n2<\/td>\n2<\/td>\n—<\/td>\n—<\/td>\n\u041d\u0435 \u043f\u0440\u043e\u0439\u0434\u0435\u043d \u0442\u0430\u043a \u0433\u0440\u0430\u0444\u0438\u043a [latex]y(x)[\/latex] \u043d\u0435 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043f\u0430\u0440\u0430\u0431\u043e\u043b\u043e\u0439 \u0438 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0430 \u043e\u043f\u043e\u0432\u0435\u0449\u0430\u0435\u0442 \u043e\u0431 \u043e\u0448\u0438\u0431\u043a\u0435<\/td>\n<\/tr>\n
1<\/td>\n0<\/td>\n4<\/td>\n0<\/td>\n4<\/td>\n\u041f\u0440\u043e\u0439\u0434\u0435\u043d<\/td>\n<\/tr>\n
2<\/td>\n1<\/td>\n3<\/td>\n-0.25<\/td>\n2.875<\/td>\n\u041f\u0440\u043e\u0439\u0434\u0435\u043d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u041a\u043e\u0434 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u044b<\/h4>\n
import java.util.*;\r\nimport java.lang.*;\r\nimport java.io.*;\r\n \r\nclass Ideone\r\n{\r\n\tpublic static void main (String[] args) throws java.lang.Exception\r\n\t{\r\n\t\tdouble a, b, c, x, y;\r\n\t\tdouble h;\r\n\t\tScanner sc = new Scanner(System.in);\r\n\t\ta = sc.nextInt();\r\n\t\tb = sc.nextInt();\r\n\t\tc = sc.nextInt();\r\n\t\tx = b\/(2*a);    \t\/\/ \u043d\u0430\u0445\u043e\u0434\u0438\u043c \u043f\u0435\u0440\u0432\u0443\u044e \u043a\u043e\u043e\u0440\u0434\u0438\u043d\u0430\u0442\u0443 \u0432\u0435\u0440\u0448\u0438\u043d\u044b \u043f\u0430\u0440\u0430\u0431\u043e\u043b\u044b \u0438 \u043d\u0430\u043c \u043e\u0441\u0442\u0430\u0451\u0442\u0441\u044f \u0442\u043e\u043b\u044c\u043a\u043e \u0443\u043c\u043d\u043e\u0436\u0438\u0442\u044c \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 \u043d\u0430 -1\r\n \r\n\t\tif( a != 0 ){\t\t\t\/\/ \"\u0442\u043e\u043b\u044c\u043a\u043e \u0435\u0441\u043b\u0438 \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0435 \u0437\u0430\u0434\u0430\u0435\u0442 \u043d\u0430 \u0433\u0440\u0430\u0444\u0438\u043a\u0435 \u043f\u0430\u0440\u0430\u0431\u043e\u043b\u0443...\"\r\n\t\t\tif(x!=0) x*=-1; \t\/\/ \u0432 \u0442\u0438\u043f\u0435 double  0 -- \u0438\u043d\u043e\u0433\u0434\u0430 \u043f\u043e\u043b\u0443\u0447\u0430\u0435\u0442 \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430 \u0447\u0438\u0441\u043b\u0430 \u0441\u043e \u0437\u043d\u0430\u043a\u043e\u043c, \u043f\u043e\u044d\u0442\u043e\u043c\u0443 \u0434\u0430\u0431\u044b \u043f\u0440\u0438 b == 0 \u043c\u044b \u043d\u0435 \u043f\u043e\u043b\u0443\u0447\u0438\u043b\u0438  x == -0 \u043d\u0430\u043c \u043d\u0443\u0436\u043d\u043e \u0443\u043c\u043d\u043e\u0436\u0438\u0442\u044c x \u043d\u0430 (-1) \u0442\u043e\u043b\u044c\u043a\u043e \u0435\u0441\u043b\u0438 x != 0\r\n\t\t}\r\n\t\telse{\t\t\t\t\t\/\/ \u0435\u0441\u043b\u0438 \u0430 == 0, \u0442\u043e \u0433\u0440\u0430\u0444\u0438\u043a y(x) \u043d\u0435 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043f\u0430\u0440\u0430\u0431\u043e\u043b\u043e\u0439 ==> \u0432\u044b\u0432\u043e\u0434\u0438\u043c \u043d\u0430 \u044d\u043a\u0440\u0430\u043d \"Error\" \u0438 \u0437\u0430\u043a\u0440\u044b\u0432\u0430\u0435\u043c \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0443\r\n\t\t\t System.out.println(\"Error\");\r\n\t\t\t sc.close();\r\n\t\t} \r\n \r\n\t    \ty = a*x*x + b*x + c;    \/\/ \u043d\u0430\u0445\u043e\u0434\u0438\u043c \u0432\u0442\u043e\u0440\u0443\u044e \u043a\u043e\u043e\u0440\u0434\u0438\u043d\u0430\u0442\u0443 \u0432\u0435\u0440\u0448\u0438\u043d\u044b \u043f\u0430\u0440\u0430\u0431\u043e\u043b\u044b\r\n\t    \tSystem.out.println(x);\r\n\t\tSystem.out.println(y);\r\n\t\tsc.close();\r\n \r\n\t}\r\n}\r\n<\/pre>\n
\u041a\u043e\u0434 \u043d\u0430 ideone.com.<\/a><\/p>\n
\u0417\u0430\u0434\u0430\u0447\u0430 \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421++(\u0434\u0440\u0443\u0433\u043e\u0433\u043e \u0430\u0432\u0442\u043e\u0440\u0430) \u043d\u0430  java.mazurok.com.<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
\u0423\u0441\u043b\u043e\u0432\u0438\u0435 \u0437\u0430\u0434\u0430\u0447\u0438 \u041d\u0430\u0439\u0442\u0438 \u043a\u043e\u043e\u0440\u0434\u0438\u043d\u0430\u0442\u044b \u0432\u0435\u0440\u0448\u0438\u043d\u044b \u043f\u0430\u0440\u0430\u0431\u043e\u043b\u044b \\[y = ax^{2}+bx+c\\] \u0410\u043b\u0433\u043e\u0440\u0438\u0442\u043c \u0440\u0435\u0448\u0435\u043d\u0438\u044f \u041c\u044b \u0437\u043d\u0430\u0435\u043c \u043a\u043e\u043e\u0440\u0434\u0438\u043d\u0430\u0442\u044b \u0432\u0435\u0440\u0448\u0438\u043d\u044b \u043f\u0430\u0440\u0430\u0431\u043e\u043b\u044b \u0432\u044b\u0447\u0438\u0441\u043b\u044f\u044e\u0442\u0441\u044f \u043f\u043e \u0444\u043e\u0440\u043c\u0443\u043b\u0430\u043c: 1) \\[x_{0} = — \\frac{b}{2 \\cdot a}\\] 2) \\[y_{0} = ax_{0}^{2}+bx_{0}+c\\] (\u0414\u043b\u044f \u043f\u0440\u043e\u0441\u0442\u043e\u0442\u044b \u0432 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0435 [latex]x_{0}[\/latex] \u0438 [latex]y_{0}[\/latex] \u0437\u0430\u043c\u0435\u043d\u0435\u043d\u044b \u043d\u0430 [latex]x[\/latex] \u0438 [latex]y[\/latex] \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0435\u043d\u043d\u043e). \u0422\u0435\u043f\u0435\u0440\u044c \u0443\u0447\u0442\u0435\u043c \u0441\u0438\u0442\u0443\u0430\u0446\u0438\u0438 \u0432 \u043f\u0440\u043e\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043c\u043e\u0433\u0443\u0442 \u0432\u043e\u0437\u043d\u0438\u043a\u043d\u0443\u0442\u044c \u0441\u043b\u043e\u0436\u043d\u043e\u0441\u0442\u0438: \u0415\u0441\u043b\u0438 [latex]a=0[\/latex], \u0442\u043e … Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":129,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[41,242],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/java.mazurok.com\/index.php?rest_route=\/wp\/v2\/posts\/4880"}],"collection":[{"href":"https:\/\/java.mazurok.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/java.mazurok.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/java.mazurok.com\/index.php?rest_route=\/wp\/v2\/users\/129"}],"replies":[{"embeddable":true,"href":"https:\/\/java.mazurok.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4880"}],"version-history":[{"count":7,"href":"https:\/\/java.mazurok.com\/index.php?rest_route=\/wp\/v2\/posts\/4880\/revisions"}],"predecessor-version":[{"id":4910,"href":"https:\/\/java.mazurok.com\/index.php?rest_route=\/wp\/v2\/posts\/4880\/revisions\/4910"}],"wp:attachment":[{"href":"https:\/\/java.mazurok.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4880"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/java.mazurok.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4880"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/java.mazurok.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4880"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}