{"id":188,"date":"2019-08-18T15:16:00","date_gmt":"2019-08-18T15:16:00","guid":{"rendered":"https:\/\/imwarming.com\/?p=188"},"modified":"2019-08-18T15:16:00","modified_gmt":"2019-08-18T15:16:00","slug":"cf1082a-vasyaandbook","status":"publish","type":"post","link":"https:\/\/imwarming.com\/?p=188","title":{"rendered":"cf1082 A. Vasya and Book"},"content":{"rendered":"<p>\u4e2d\u6587\u9898\u610f\uff1a<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img2018.cnblogs.com\/blog\/1634852\/201908\/1634852-20190818230404770-470509334.jpg\" alt=\"\" \/><\/p>\n<p>\u601d\u8def\uff1a\u6211\u4eec\u5148\u770b\u770b\u80fd\u4e0d\u80fd\u76f4\u63a5\u4ecex\u7ffb\u5230y\uff0cabs\uff08y-x\uff09%d==0\uff0c\u53ef\u4ee5\u5c31\u76f4\u63a5\u8f93\u51faabs\uff08y-x\uff09\/d\u54af\uff0c\u4e0d\u884c\u7684\u8bdd\u4e4b\u540e\u67092\u79cd\u64cd\u4f5c<\/p>\n<p>1.\u5148\u7ffb\u56de\u5230\u7b2c\u4e00\u9875\uff0c\u4ece\u7b2c\u4e00\u9875\u770b\u770b\u80fd\u4e0d\u80fd\u8303\u5230y\uff0c\u4e0d\u80fd\u7684\u8bdd\u7ffb\u5230\u6700\u540e\u4e00\u9875\uff0c\u5012\u56de\u6765\u7ffb\u770b\u770b\u80fd\u4e0d\u80fd\u7ffb\u5230y\uff0c\u4e0d\u80fd\u7684\u8bdd\u8fd9\u79cd\u65b9\u6cd5\u4e0d\u884c\uff1b<\/p>\n<p>2.\u7ffb\u5230\u6700\u540e\u4e00\u9875\uff0c\u5012\u56de\u6765\u770b\u770b\u80fd\u4e0d\u80fd\u7ffb\u5230y\uff0c\u4e0d\u80fd\u7684\u8bdd\u7ffb\u5230\u7b2c\u4e00\u9875\uff0c\u770b\u770b\u80fd\u4e0d\u80fd\u4ece\u7b2c\u4e00\u9875\u7ffb\u5230y\uff0c\u4e0d\u80fd\u7684\u8bdd\u8fd9\u65b9\u6cd5\u4e0d\u884c\uff1b<\/p>\n<p>\u5982\u679c1\uff0c2\u65b9\u6cd5\u90fd\u4e0d\u884c\uff0c\u90a3\u80af\u5b9a\u4e00\u76f4\u90fd\u7ffb\u4e0d\u5230y\u9875\u4e86\uff1b\u5982\u679c\u5176\u4e2d\u4e00\u65b9\u6cd5\u53ef\u4ee5\uff0c\u53e6\u4e00\u65b9\u6cd5\u4e0d\u53ef\u4ee5\uff0c\u8f93\u51fa\u53ef\u4ee5\u7684\uff1b\u90fd\u884c\u7684\u8bdd\u8f93\u51fa\u7ffb\u6b21\u6570\u5c0f\u7684\u5c31\u884c<\/p>\n<p>\u9644ac\u4ee3\u7801\uff1a<\/p>\n<div class=\"cnblogs_code\">\n<pre><span style=\"color: #008080;\"> 1<\/span> #include&lt;cstdio&gt;\n<span style=\"color: #008080;\"> 2<\/span> #include&lt;iostream&gt;\n<span style=\"color: #008080;\"> 3<\/span> #include&lt;cstring&gt;\n<span style=\"color: #008080;\"> 4<\/span> #include&lt;cmath&gt;\n<span style=\"color: #008080;\"> 5<\/span> #include&lt;algorithm&gt;\n<span style=\"color: #008080;\"> 6<\/span> <span style=\"color: #0000ff;\">#define<\/span> maxn 100\n<span style=\"color: #008080;\"> 7<\/span> <span style=\"color: #0000ff;\">using<\/span> <span style=\"color: #0000ff;\">namespace<\/span><span style=\"color: #000000;\"> std;\n<\/span><span style=\"color: #008080;\"> 8<\/span> <span style=\"color: #0000ff;\">int<\/span><span style=\"color: #000000;\"> main(){\n<\/span><span style=\"color: #008080;\"> 9<\/span>     <span style=\"color: #0000ff;\">int<\/span> t;cin&gt;&gt;<span style=\"color: #000000;\">t;\n<\/span><span style=\"color: #008080;\">10<\/span>     <span style=\"color: #0000ff;\">int<\/span><span style=\"color: #000000;\"> a,b,c,d;\n<\/span><span style=\"color: #008080;\">11<\/span>     <span style=\"color: #0000ff;\">int<\/span><span style=\"color: #000000;\"> n,m,q,p;\n<\/span><span style=\"color: #008080;\">12<\/span>     <span style=\"color: #0000ff;\">while<\/span>(t--<span style=\"color: #000000;\">){\n<\/span><span style=\"color: #008080;\">13<\/span>         <span style=\"color: #0000ff;\">int<\/span> x=<span style=\"color: #800080;\">0<\/span>,y=<span style=\"color: #800080;\">0<\/span><span style=\"color: #000000;\">;\n<\/span><span style=\"color: #008080;\">14<\/span>         cin&gt;&gt;a&gt;&gt;b&gt;&gt;c&gt;&gt;<span style=\"color: #000000;\">d;\n<\/span><span style=\"color: #008080;\">15<\/span>         <span style=\"color: #0000ff;\">if<\/span>(abs(b-c)%d==<span style=\"color: #800080;\">0<\/span><span style=\"color: #000000;\">){\n<\/span><span style=\"color: #008080;\">16<\/span>             cout&lt;&lt;abs(b-c)\/d&lt;&lt;<span style=\"color: #000000;\">endl;\n<\/span><span style=\"color: #008080;\">17<\/span>             <span style=\"color: #0000ff;\">continue<\/span><span style=\"color: #000000;\">;\n<\/span><span style=\"color: #008080;\">18<\/span> <span style=\"color: #000000;\">        }\n<\/span><span style=\"color: #008080;\">19<\/span>         <span style=\"color: #0000ff;\">else<\/span><span style=\"color: #000000;\">{\n<\/span><span style=\"color: #008080;\">20<\/span>             <span style=\"color: #0000ff;\">if<\/span>((b-<span style=\"color: #800080;\">1<\/span>)%d==<span style=\"color: #800080;\">0<\/span>)n=(b-<span style=\"color: #800080;\">1<\/span>)\/<span style=\"color: #000000;\">d;\n<\/span><span style=\"color: #008080;\">21<\/span>             <span style=\"color: #0000ff;\">else<\/span> n=(b-<span style=\"color: #800080;\">1<\/span>)\/d+<span style=\"color: #800080;\">1<\/span><span style=\"color: #000000;\">;\n<\/span><span style=\"color: #008080;\">22<\/span>             <span style=\"color: #0000ff;\">if<\/span>((c-<span style=\"color: #800080;\">1<\/span>)%d==<span style=\"color: #800080;\">0<\/span>)m=(c-<span style=\"color: #800080;\">1<\/span>)\/<span style=\"color: #000000;\">d;\n<\/span><span style=\"color: #008080;\">23<\/span>             <span style=\"color: #0000ff;\">else<\/span><span style=\"color: #000000;\">{\n<\/span><span style=\"color: #008080;\">24<\/span>                 <span style=\"color: #0000ff;\">if<\/span>((a-<span style=\"color: #800080;\">1<\/span>)%d==<span style=\"color: #800080;\">0<\/span>)m=(a-<span style=\"color: #800080;\">1<\/span>)\/<span style=\"color: #000000;\">d;\n<\/span><span style=\"color: #008080;\">25<\/span>                 <span style=\"color: #0000ff;\">else<\/span> m=(a-<span style=\"color: #800080;\">1<\/span>)\/d+<span style=\"color: #800080;\">1<\/span><span style=\"color: #000000;\">;\n<\/span><span style=\"color: #008080;\">26<\/span>                 <span style=\"color: #0000ff;\">if<\/span>((a-c)%d!=<span style=\"color: #800080;\">0<\/span>)x=-<span style=\"color: #800080;\">1<\/span><span style=\"color: #000000;\">;\n<\/span><span style=\"color: #008080;\">27<\/span>                 <span style=\"color: #0000ff;\">else<\/span> x=(a-c)\/<span style=\"color: #000000;\">d;\n<\/span><span style=\"color: #008080;\">28<\/span> <span style=\"color: #000000;\">            }\n<\/span><span style=\"color: #008080;\">29<\/span>             <span style=\"color: #0000ff;\">if<\/span>((a-b)%d==<span style=\"color: #800080;\">0<\/span>)q=(a-b)\/<span style=\"color: #000000;\">d;\n<\/span><span style=\"color: #008080;\">30<\/span>             <span style=\"color: #0000ff;\">else<\/span> q=(a-b)\/d+<span style=\"color: #800080;\">1<\/span><span style=\"color: #000000;\">;\n<\/span><span style=\"color: #008080;\">31<\/span>             <span style=\"color: #0000ff;\">if<\/span>((a-c)%d==<span style=\"color: #800080;\">0<\/span>)p=(a-c)\/<span style=\"color: #000000;\">d;\n<\/span><span style=\"color: #008080;\">32<\/span>             <span style=\"color: #0000ff;\">else<\/span><span style=\"color: #000000;\">{\n<\/span><span style=\"color: #008080;\">33<\/span>                 <span style=\"color: #0000ff;\">if<\/span>((a-<span style=\"color: #800080;\">1<\/span>)%d==<span style=\"color: #800080;\">0<\/span>)p=(a-<span style=\"color: #800080;\">1<\/span>)\/<span style=\"color: #000000;\">d;\n<\/span><span style=\"color: #008080;\">34<\/span>                 <span style=\"color: #0000ff;\">else<\/span> p=(a-<span style=\"color: #800080;\">1<\/span>)\/d+<span style=\"color: #800080;\">1<\/span><span style=\"color: #000000;\">;\n<\/span><span style=\"color: #008080;\">35<\/span>                 <span style=\"color: #0000ff;\">if<\/span>((c-<span style=\"color: #800080;\">1<\/span>)%d!=<span style=\"color: #800080;\">0<\/span>)y=-<span style=\"color: #800080;\">1<\/span><span style=\"color: #000000;\">;\n<\/span><span style=\"color: #008080;\">36<\/span>                 <span style=\"color: #0000ff;\">else<\/span> y=(c-<span style=\"color: #800080;\">1<\/span>)\/<span style=\"color: #000000;\">d;\n<\/span><span style=\"color: #008080;\">37<\/span> <span style=\"color: #000000;\">            }\n<\/span><span style=\"color: #008080;\">38<\/span> <span style=\"color: #000000;\">        }\n<\/span><span style=\"color: #008080;\">39<\/span>         <span style=\"color: #0000ff;\">if<\/span>(x==-<span style=\"color: #800080;\">1<\/span>&amp;&amp;y==-<span style=\"color: #800080;\">1<\/span>)cout&lt;&lt;-<span style=\"color: #800080;\">1<\/span>&lt;&lt;<span style=\"color: #000000;\">endl;\n<\/span><span style=\"color: #008080;\">40<\/span>         <span style=\"color: #0000ff;\">else<\/span> cout&lt;&lt;min(n+m+x,q+p+y)&lt;&lt;<span style=\"color: #000000;\">endl;\n<\/span><span style=\"color: #008080;\">41<\/span> <span style=\"color: #000000;\">    }\n<\/span><span style=\"color: #008080;\">42<\/span>     <span style=\"color: #0000ff;\">return<\/span> <span style=\"color: #800080;\">0<\/span><span style=\"color: #000000;\">;\n<\/span><span style=\"color: #008080;\">43<\/span> }<\/pre>\n<\/div>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e2d\u6587\u9898\u610f\uff1a \u601d\u8def\uff1a\u6211\u4eec\u5148\u770b\u770b\u80fd\u4e0d\u80fd\u76f4\u63a5\u4ecex\u7ffb\u5230y\uff0cabs\uff08y-x\uff09%d==0\uff0c\u53ef\u4ee5\u5c31\u76f4\u63a5\u8f93\u51faabs\uff08 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-188","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v18.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>cf1082 A. 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