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\u3010\u95ee\u9898\u63cf\u8ff0\u3011 \u800c\u4ee5\u4e0b\u51e0\u4e2a\u5219\u4e0d\u662f\uff1a<\/p>\n (<\/em>\uff0c<\/em>[<\/em>\uff0c<\/em>]<\/em>\uff0c<\/em>)(<\/em>\uff0c<\/em>())<\/em>\uff0c<\/em>([()<\/em>\uff0c<\/em><<<\/em>\uff0c<\/em>{(})<\/em>\uff0c<\/em><{}>)<\/em> \u5bf9\u4e8e40%\u7684\u6570\u636e\uff1a\u5e8f\u5217\u4e2d\u6ca1\u6709\u901a\u914d\u7b26\u3002<\/p>\n <\/p>\n","protected":false},"excerpt":{"rendered":" \u4e00\u3001\u6570\u5217\uff08sequence.pas\/c\/cpp, 1s,128M\uff09 \u3010\u95ee\u9898\u63cf\u8ff0\u3011 \u4e00\u4e2a\u6570\u5217\u5b9a\u4e49\u5982\u4e0b\uff1af(1)=1\uff0cf(2)=1\uff0cf(n)=(A*f(n-1)+B*f(n-2))%7\u3002\u7ed9\u5b9aA, B\u548cn\u7684\u503c\uff0c\u8981\u6c42\u8ba1\u7b97f(n)\u7684\u503c\u3002 \u3010\u8f93\u5165\u683c\u5f0f\u3011 \u8f93\u5165\u6587\u4ef6sequence.in\u4ec5\u4e00\u884c\uff0c\u5305\u542b3\u4e2a\u6574\u6570A, B\u548cn\uff0c\u5176\u4e2d\uff081<=A, B<=1000\uff0c1<=n<=100,000,000\uff09\u3002 \u3010\u8f93\u51fa\u683c\u5f0f\u3011 \u8f93\u51fa\u6587\u4ef6sequence.out\u4ec5\u4e00\u884c\uff0c\u4e00\u4e2a\u6574\u6570\uff0c\u5373f(n)\u7684\u503c\u3002 \u3010\u8f93\u5165\u6837\u4f8b1\u3011 1 1 3 \u3010\u8f93\u51fa\u6837\u4f8b1\u3011 2 \u3010\u8f93\u5165\u6837\u4f8b2\u3011 1 2 10 \u3010\u8f93\u51fa\u6837\u4f8b2\u3011 5 \u3010\u6570\u636e\u89c4\u6a21\u3011 20%\u7684\u6570\u636e\uff1an<=1000\uff1b 40%\u7684\u6570\u636e\uff1an<=100,000\uff1b 100%\u7684\u6570\u636e\uff1an<=100,000,000\uff1b \u00a0 \u4e8c\u3001\u6700\u957f\u8def\uff08path.pas\/c\/cpp, 1s,128M\uff09 \u3010\u95ee\u9898\u63cf\u8ff0\u3011 \u8bbeG\u4e3a\u6709n\u4e2a\u9876\u70b9\u7684\u6709\u5411\u65e0\u73af\u56fe\uff0cG\u4e2d\u5404\u9876\u70b9\u7684\u7f16\u53f7\u4e3a1\u5230n\uff0c\u4e14\u5f53<i,j>\u4e3aG\u7684\u4e00\u6761\u8fb9\u65f6\u6709i<j\u3002\u8bbew(i,j)\u4e3a\u8fb9<i,j>\u7684\u957f\u5ea6\uff0c\u8bf7\u8bbe\u8ba1\u7b97\u6cd5\uff0c\u8ba1\u7b97\u56feG\u4e2d<1,n>\u95f4\u7684\u6700\u957f\u8def\u5f84\u3002 \u3010\u8f93\u5165\u683c\u5f0f\u3011 \u8f93\u5165\u6587\u4ef6path.in\u7684\u7b2c\u4e00\u884c\u6709\u4e24\u4e2a\u6574\u6570n\u548cm\uff0c\u8868\u793a\u6709n\u4e2a\u9876\u70b9\u548cm\u6761\u8fb9\uff0c\u5176\u4e2d2<=n<=1500\uff0cm<=50000\uff1b\u63a5\u4e0b\u6765m\u884c\u4e2d\u6bcf\u884c\u8f93\u51653\u4e2a\u6574\u6570a, b, v\u8868\u793a\u4ecea\u70b9\u5230b\u70b9\u6709\u6761\u8fb9\uff0c\u8fb9\u7684\u957f\u5ea6\u4e3av\u3002 \u3010\u8f93\u51fa\u683c\u5f0f\u3011 \u8f93\u51fa\u6587\u4ef6path.out\uff0c\u4e00\u4e2a\u6574\u6570\uff0c\u53731\u5230n\u4e4b\u95f4\u7684\u6700\u957f\u8def\u5f84\u3002\u5982\u679c1\u5230n\u4e4b\u95f4\u6ca1\u8fde\u901a\uff0c\u8f93\u51fa-1\u3002 \u3010\u8f93\u5165\u6837\u4f8b1\u3011 2 1 1 2 1 \u3010\u8f93\u51fa\u6837\u4f8b1\u3011 1 \u3010\u8f93\u5165\u6837\u4f8b2\u3011 2 0 \u3010\u8f93\u51fa\u6837\u4f8b2\u3011 -1 \u3010\u6570\u636e\u89c4\u6a21\u3011 20%\u7684\u6570\u636e\uff1an<=100, m<=1000\uff1b 40%\u7684\u6570\u636e\uff1an<=1000, […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[4],"class_list":["post-89","post","type-post","status-publish","format-standard","hentry","category-3","tag-noip2011"],"_links":{"self":[{"href":"https:\/\/sxkdz.0ginr.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/89","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sxkdz.0ginr.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sxkdz.0ginr.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sxkdz.0ginr.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sxkdz.0ginr.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=89"}],"version-history":[{"count":5,"href":"https:\/\/sxkdz.0ginr.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/89\/revisions"}],"predecessor-version":[{"id":92,"href":"https:\/\/sxkdz.0ginr.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/89\/revisions\/92"}],"wp:attachment":[{"href":"https:\/\/sxkdz.0ginr.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=89"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sxkdz.0ginr.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=89"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sxkdz.0ginr.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=89"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\n\u4e00\u4e2a\u6570\u5217\u5b9a\u4e49\u5982\u4e0b\uff1af(1)=1<\/em>\uff0cf(2)=1<\/em>\uff0cf(n)=(A*f(n-1)+B*f(n-2))%7<\/em>\u3002\u7ed9\u5b9aA, B<\/em>\u548cn<\/em>\u7684\u503c\uff0c\u8981\u6c42\u8ba1\u7b97f(n)<\/em>\u7684\u503c\u3002
\n\u3010\u8f93\u5165\u683c\u5f0f\u3011
\n\u8f93\u5165\u6587\u4ef6sequence.in\u4ec5\u4e00\u884c\uff0c\u5305\u542b3<\/em>\u4e2a\u6574\u6570A, B<\/em>\u548cn<\/em>\uff0c\u5176\u4e2d\uff081<=A, B<=1000<\/em>\uff0c<\/em>1<=n<=100,000,000<\/em>\uff09\u3002
\n\u3010\u8f93\u51fa\u683c\u5f0f\u3011
\n\u8f93\u51fa\u6587\u4ef6sequence.out\u4ec5\u4e00\u884c\uff0c\u4e00\u4e2a\u6574\u6570\uff0c\u5373f(n)<\/em>\u7684\u503c\u3002
\n\u3010\u8f93\u5165\u6837\u4f8b1\u3011
\n1 1 3
\n\u3010\u8f93\u51fa\u6837\u4f8b1\u3011
\n2
\n\u3010\u8f93\u5165\u6837\u4f8b2\u3011
\n1 2 10
\n\u3010\u8f93\u51fa\u6837\u4f8b2\u3011
\n5
\n\u3010\u6570\u636e\u89c4\u6a21\u3011
\n20%\u7684\u6570\u636e\uff1an<=1000<\/em>\uff1b
\n40%\u7684\u6570\u636e\uff1an<=100,000<\/em>\uff1b
\n100%\u7684\u6570\u636e\uff1an<=100,000,000<\/em>\uff1b
\n\u00a0
\n\u4e8c\u3001\u6700\u957f\u8def\uff08path.pas\/c\/cpp, 1s,128M\uff09
\n\u3010\u95ee\u9898\u63cf\u8ff0\u3011
\n\u8bbeG<\/em>\u4e3a\u6709n<\/em>\u4e2a\u9876\u70b9\u7684\u6709\u5411\u65e0\u73af\u56fe\uff0cG<\/em>\u4e2d\u5404\u9876\u70b9\u7684\u7f16\u53f7\u4e3a1<\/em>\u5230n<\/em>\uff0c\u4e14\u5f53<i,j><\/em>\u4e3aG<\/em>\u7684\u4e00\u6761\u8fb9\u65f6\u6709i<j<\/em>\u3002\u8bbew(i,j)<\/em>\u4e3a\u8fb9<i,j><\/em>\u7684\u957f\u5ea6\uff0c\u8bf7\u8bbe\u8ba1\u7b97\u6cd5\uff0c\u8ba1\u7b97\u56feG<\/em>\u4e2d<1,n><\/em>\u95f4\u7684\u6700\u957f\u8def\u5f84\u3002
\n\u3010\u8f93\u5165\u683c\u5f0f\u3011
\n\u8f93\u5165\u6587\u4ef6path.in\u7684\u7b2c\u4e00\u884c\u6709\u4e24\u4e2a\u6574\u6570n<\/em>\u548cm<\/em>\uff0c\u8868\u793a\u6709n<\/em>\u4e2a\u9876\u70b9\u548cm<\/em>\u6761\u8fb9\uff0c\u5176\u4e2d2<=n<=1500<\/em>\uff0c<\/em>m<=50000<\/em>\uff1b\u63a5\u4e0b\u6765m<\/em>\u884c\u4e2d\u6bcf\u884c\u8f93\u51653<\/em>\u4e2a\u6574\u6570a, b, v<\/em>\u8868\u793a\u4ecea<\/em>\u70b9\u5230b<\/em>\u70b9\u6709\u6761\u8fb9\uff0c\u8fb9\u7684\u957f\u5ea6\u4e3av<\/em>\u3002
\n\u3010\u8f93\u51fa\u683c\u5f0f\u3011
\n\u8f93\u51fa\u6587\u4ef6path.out\uff0c\u4e00\u4e2a\u6574\u6570\uff0c\u53731<\/em>\u5230n<\/em>\u4e4b\u95f4\u7684\u6700\u957f\u8def\u5f84\u3002\u5982\u679c1<\/em>\u5230n<\/em>\u4e4b\u95f4\u6ca1\u8fde\u901a\uff0c\u8f93\u51fa-1<\/em>\u3002
\n\u3010\u8f93\u5165\u6837\u4f8b1\u3011
\n2 1
\n1 2 1
\n\u3010\u8f93\u51fa\u6837\u4f8b1\u3011
\n1
\n\u3010\u8f93\u5165\u6837\u4f8b2\u3011
\n2 0
\n\u3010\u8f93\u51fa\u6837\u4f8b2\u3011
\n-1
\n\u3010\u6570\u636e\u89c4\u6a21\u3011
\n20%\u7684\u6570\u636e\uff1an<=100, m<=1000<\/em>\uff1b
\n40%\u7684\u6570\u636e\uff1an<=1000, m<=10000<\/em>\uff1b
\n100%\u7684\u6570\u636e\uff1an<=1500, m<=50000<\/em>\uff1b
\n\u00a0
\n3\uff0e\u6728\u68cd\uff08wooden.cpp\/pas\/c, 1s,128M\uff09
\n\u3010\u95ee\u9898\u63cf\u8ff0\u3011
\n\u6709n\u6839\u6728\u68cd\uff0c\u6bcf\u6839\u7684\u957f\u5ea6L<\/em>\u548c\u91cd\u91cfW<\/em>\u5df2\u77e5\u3002\u8fd9\u4e9b\u6728\u68cd\u5c06\u88ab\u4e00\u53f0\u673a\u5668\u4e00\u6839\u4e00\u6839\u5730\u52a0\u5de5\u3002\u673a\u5668\u9700\u8981\u4e00\u4e9b\u542f\u52a8\u65f6\u95f4\u6765\u505a\u51c6\u5907\u5de5\u4f5c\uff0c\u542f\u65f6\u95f4\u4e0e\u6728\u68cd\u88ab\u52a0\u5de5\u7684\u5177\u4f53\u60c5\u51b5\u6709\u5173\u3002\u542f\u52a8\u65f6\u95f4\u9075\u5faa\u4ee5\u4e0b\u89c4\u5219\uff1a
\n1\uff0e\u00a0 \u52a0\u5de5\u7b2c\u4e00\u6839\u6728\u68cd\u7684\u542f\u52a8\u65f6\u95f4\u4e3a1\u5206\u949f\u3002
\n2\uff0e\u00a0 \u52a0\u5de5\u5b8c\u957f\u5ea6\u4e3aL[i]<\/em>\uff0c\u91cd\u91cf\u4e3aW[i]<\/em>\u7684\u6728\u68cd\u540e\uff0c\u7d27\u8ddf\u7740\u52a0\u5de5\u957f\u5ea6\u4e3aL[i+1]<\/em>\uff0c\u91cd\u91cf\u4e3aW[i+1]<\/em>\u7684\u6728\u68cd\uff0c\u82e5L[i]<=L[i+1]<\/em>\u4e14W[i]<=W[i+1]<\/em>\uff0c\u5219\u52a0\u5de5\u6728\u68cdi+1<\/em>\u65f6\uff0c\u4e0d\u9700\u8981\u542f\u52a8\u65f6\u95f4\u3002\u4f8b\u5982\uff1a\u67095<\/em>\u6839\u6728\u68cd\uff0c\u5b83\u4eec\u7684\u957f\u5ea6\u548c\u91cd\u91cf\u4e3a(9,4),(2,5),(1,2),(5,3),(4,1)<\/em>\uff0c\u5219\u6700\u5c0f\u542f\u52a8\u65f6\u95f4\u4e3a2<\/em>\u5206\u949f\uff08\u52a0\u5de5\u5e8f\u5217\u4e3a(4,1),(5,3),(9,4),(1,2),(2,5)<\/em>\uff09\u3002
\n\u3010\u8f93\u5165\u683c\u5f0f\u3011
\n\u8f93\u5165\u6587\u4ef6wooden.in\u7684\u7b2c\u4e00\u884c\u662f\u4e00\u4e2a\u6574\u6570n<\/em>\uff08<\/em>1<=n<=5000<\/em>\uff09<\/em>,\u8868\u793a\u6728\u68cd\u7684\u6570\u91cf\u3002\u7b2c\u4e8c\u884c2*n<\/em>\u4e2a\u6574\u6570\uff0cL1,W1,L2,W2,<\/em>\u2026\u2026<\/em>,Ln,Wn<\/em>\uff08<\/em>1<=Li,Wi<=10000<\/em>\uff09<\/em>\uff0c\u4e3a\u5404\u6728\u68cd\u7684\u957f\u5ea6\u548c\u91cd\u91cf\uff0c\u8fd92*n<\/em>\u4e2a\u6574\u6570\u4ee5\u82e5\u5e72\u4e2a\u7a7a\u683c\u5206\u9694\u3002
\n\u3010\u8f93\u51fa\u683c\u5f0f\u3011
\n\u8f93\u51fa\u6587\u4ef6wooden.out\u4ec5\u4e00\u884c\u4e00\u4e2a\u6574\u6570\uff0c\u5373\u6700\u5c0f\u603b\u542f\u52a8\u65f6\u95f4\u3002
\n\u3010\u6837\u4f8b\u8f93\u51651\u3011
\n5
\n4 9 5 2 2 1 3 5 1 4
\n\u3010\u6837\u4f8b\u8f93\u51fa1\u3011
\n2
\n\u3010\u6837\u4f8b\u8f93\u51652\u3011
\n3
\n2 2 1 1 2 2
\n\u3010\u6837\u4f8b\u8f93\u51fa2\u3011
\n1
\n\u00a0
\n\u56db\u3001\u62ec\u53f7\u5339\u914d\uff08bracket.pas\/c\/cpp, 1s,128M\uff09
\n\u3010\u95ee\u9898\u63cf\u8ff0\u3011
\n\u5b9a\u4e49\u5982\u4e0b\u62ec\u53f7\u5339\u914d\u5e8f\u5217\uff1a
\n1\uff0e\u00a0 \u7a7a\u5e8f\u5217\u662f\u5339\u914d\u5e8f\u5217\uff1b
\n2\uff0e\u00a0 \u5982\u679cS<\/em>\u662f\u5339\u914d\u5e8f\u5217\uff0c\u90a3\u4e48(S),[S],{S}<\/em>\u548c<S><\/em>\u4e5f\u662f\u5339\u914d\u5e8f\u5217\uff1b
\n3\uff0e\u00a0 \u5982\u679cA<\/em>\u548cB<\/em>\u90fd\u662f\u5339\u914d\u5e8f\u5217\uff0c\u90a3\u4e48AB<\/em>\u4e5f\u662f\u5339\u914d\u5e8f\u5217\u3002
\n\u4f8b\u5982\uff0c\u4e0b\u9762\u7684\u5b57\u7b26\u4e32\u90fd\u662f\u5339\u914d\u5e8f\u5217\uff1a
\n()<\/em>\uff0c<\/em>[]<\/em>\uff0c<\/em>(())<\/em>\uff0c<\/em>([])<\/em>\uff0c<\/em>()[]<\/em>\uff0c\/em>()[()]<\/em>\uff0c<\/em>{{}}<><\/em>\uff0c<\/em>([]<>{{}})<\/em>\uff0c<\/em><<{}>><\/em>
\n<\/em><\/p>\n
\n\u5e8f\u5217\u4e2d\u53ef\u80fd\u5305\u542b\u901a\u914d\u7b26\uff0c\u542b\u4e49\u5982\u4e0b\uff1a
\n\/\u8868\u793a\u4efb\u610f1\u4e2a\u5de6\u62ec\u53f7
\n#\u8868\u793a\u4efb\u610f2\u4e2a\u5de6\u62ec\u53f7
\n@\u8868\u793a\u4efb\u610f4\u4e2a\u5de6\u62ec\u53f7
\n?\u8868\u793a\u4efb\u610f8\u4e2a\u5de6\u62ec\u53f7
\n\\\u8868\u793a\u4efb\u610f1\u4e2a\u53f3\u62ec\u53f7
\n*\u8868\u793a\u4efb\u610f2\u4e2a\u53f3\u62ec\u53f7
\n&\u8868\u793a\u4efb\u610f4\u4e2a\u53f3\u62ec\u53f7
\n!\u8868\u793a\u4efb\u610f8\u4e2a\u53f3\u62ec\u53f7
\n\u73b0\u5728\uff0c\u7ed9\u4f60\u4e00\u4e9b\u7531\u201c(\u201d\u3001\u201c)\u201d\u3001\u201c[\u201d\u3001 \u201c]\u201d\u3001 \u201c{\u201d\u3001\u201c}\u201d\u3001\u201c<\u201d\u3001\u201c>\u201d\u548c\u901a\u914d\u7b26\u6784\u6210\u7684\u5e8f\u5217\u3002\u4f60\u8981\u505a\u7684\u662f\u5224\u65ad\u8be5\u5e8f\u5217\u662f\u5426\u4e3a\u5339\u914d\u5e8f\u5217\u3002
\n\u3010\u8f93\u5165\u683c\u5f0f\u3011
\n\u7b2c\u4e00\u884c\uff1a\u4e00\u4e2a\u6b63\u6574\u6570N<\/em>\uff0c\u8868\u793a\u6d4b\u8bd5\u6570\u636e\u7ec4\u6570\uff1b
\n\u63a5\u4e0b\u6765N<\/em>\u884c\uff1a\u6bcf\u884c\u4e00\u4e2a\u62ec\u53f7\u5e8f\u5217(\u957f\u5ea6\u4e0d\u8d85\u8fc7L<\/em>)\u3002
\n\u3010\u8f93\u51fa\u683c\u5f0f\u3011
\n\u5171N<\/em>\u884c\uff1a\u5bf9\u4e8e\u6bcf\u4e00\u4e2a\u62ec\u53f7\u5e8f\u5217\uff0c\u5224\u65ad\u5176\u662f\u5426\u5339\u914d\u3002
\n\u5bf9\u4e8e\u4e0d\u5339\u914d\u7684\u5e8f\u5217\uff0c\u76f4\u63a5\u8f93\u51faFALSE<\/em>\u3002
\n\u5bf9\u4e8e\u5339\u914d\u7684\u5e8f\u5217\uff0c\u8f93\u51fa\u7528\u5355\u4e00\u7a7a\u683c\u9694\u5f00\u76843\u4e2a\u4fe1\u606f\uff1a
\n\u7b2c\u4e00\u4e2a\u4fe1\u606f\u4e3aTRUE<\/em>\uff1b
\n\u7b2c\u4e8c\u4e2a\u4fe1\u606f\u4e3a\u62ec\u53f7\u7684\u6700\u5927\u6df1\u5ea6(\u5c42\u6570)\uff1b
\n\u7b2c\u4e09\u4e2a\u4fe1\u606f\u4e3a\u8fbe\u5230\u6700\u5927\u6df1\u5ea6\u7684\u6b21\u6570\u3002
\n\u3010\u6837\u4f8b\u8f93\u5165\u3011
\n3
\n{()}@<>{})))>
\n([})
\n?\\\\\\\\\\\\\\]
\n\u3010\u6837\u4f8b\u8f93\u51fa\u3011
\nTRUE 5 2
\nFALSE
\nTRUE 8 1
\n\u3010\u6837\u4f8b\u89e3\u91ca\u3011
\n\u5bf9\u4e8e\u7b2c\u4e00\u7ec4\u6570\u636e\uff0c@\u76f8\u5f53\u4e8e<(((\uff0c\u662f\u5339\u914d\u7684\uff0c\u62ec\u53f7\u7684\u6700\u5927\u6df1\u5ea6\u4e3a5\uff0c\u8be5\u6df1\u5ea6\u51fa\u73b0\u4e862\u6b21\u3002
\n\u5bf9\u4e8e\u7b2c\u4e8c\u7ec4\u6570\u636e\uff0c[\u548c}\u4e0d\u5339\u914d\u3002
\n\u7b2c\u4e09\u7ec4\u6570\u636e\u60f3\u8981\u8bf4\u660e\u7684\u662f\u901a\u914d\u7b26\u95f4\u53ef\u4ee5\u5339\u914d\u3002
\n\u3010\u6570\u636e\u89c4\u6a21\u3011
\n\u5bf9\u4e8e20%\u7684\u6570\u636e\uff1aN=1<\/em>\uff0c<\/em>0<L<=20<\/em>\uff1b
\n\u5bf9\u4e8e60%\u7684\u6570\u636e\uff1a0<N<=5<\/em>\uff0c<\/em>0<L<=2E+3<\/em>\uff1b
\n\u5bf9\u4e8e100%\u7684\u6570\u636e\uff1a0<N<=10<\/em>\uff0c<\/em>0<L<=2E+6<\/em>\uff1b<\/p>\n