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2\n3\n2\n1 2 3\n3 2 1\n1 2\n2 1\n3 3<\/pre>\n\n\n\n\u8f93\u51fa\uff1a<\/p>\n\n\n\n
14 13\n10 11<\/pre>\n\n\n\n\u8bf4\u660e\uff1a<\/p>\n\n\n\n
1 2 3\n3 2 1 \n\u4e58\u4ee5\n1 2\n2 1\n3 3\n\u7b49\u4e8e\n14 13\n10 11<\/pre>\n\n\n\nimport java.util.*;\npublic class Main {\n public Main() {\n }\n public int[][] mul(int[][] mat1, int [][]mat2) {\n int x = mat1.length, y = mat2.length, z = mat2[0].length;\n int[][] res = new int[x][z];\n for (int i = 0; i < x; i++) {\n for (int j = 0; j < z; j++) {\n for (int k = 0; k < y; k++) {\n res[i][j] += mat1[i][k] * mat2[k][j];\n }\n }\n }\n return res;\n }\n public static void main(String[] args) {\n Main solution = new Main();\n Scanner in = new Scanner(System.in);\n while (in.hasNextInt()) {\n int x = in.nextInt(), y = in.nextInt(), z = in.nextInt();\n int[][] mat1 = new int[x][y];\n int[][] mat2 = new int[y][z];\n for (int i = 0; i < x; i++) {\n for (int j = 0; j < y; j++) {\n mat1[i][j] = in.nextInt();\n }\n }\n for (int i = 0; i < y; i++) {\n for (int j = 0; j < z; j++) {\n mat2[i][j] = in.nextInt();\n }\n }\n int[][] res = solution.mul(mat1, mat2);\n for (int i = 0; i < x; i++) {\n for (int j = 0; j < z; j++) {\n System.out.print(res[i][j] + \" \");\n }\n System.out.println();\n }\n }\n } \n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"\u8f93\u5165\u63cf\u8ff0\uff1a \u7b2c\u4e00\u884c\u5305\u542b\u4e00\u4e2a\u6b63\u6574\u6570...<\/p>\n","protected":false},"author":1,"featured_media":1122,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,4],"tags":[],"class_list":["post-1222","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-java","category-4"],"_links":{"self":[{"href":"https:\/\/sanlangcode.com\/index.php\/wp-json\/wp\/v2\/posts\/1222","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sanlangcode.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sanlangcode.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sanlangcode.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sanlangcode.com\/index.php\/wp-json\/wp\/v2\/comments?post=1222"}],"version-history":[{"count":0,"href":"https:\/\/sanlangcode.com\/index.php\/wp-json\/wp\/v2\/posts\/1222\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sanlangcode.com\/index.php\/wp-json\/wp\/v2\/media\/1122"}],"wp:attachment":[{"href":"https:\/\/sanlangcode.com\/index.php\/wp-json\/wp\/v2\/media?parent=1222"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sanlangcode.com\/index.php\/wp-json\/wp\/v2\/categories?post=1222"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sanlangcode.com\/index.php\/wp-json\/wp\/v2\/tags?post=1222"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}