{"id":1038,"date":"2022-06-16T18:33:32","date_gmt":"2022-06-16T10:33:32","guid":{"rendered":"http:\/\/SmokeyDays.top\/wordpress\/?p=1038"},"modified":"2022-06-16T19:01:06","modified_gmt":"2022-06-16T11:01:06","slug":"%e7%ac%ac-24-%e6%ac%a1-ccf-csp-%e9%a2%98%e8%a7%a3","status":"publish","type":"post","link":"http:\/\/SmokeyDays.top\/wordpress\/2022\/06\/16\/%e7%ac%ac-24-%e6%ac%a1-ccf-csp-%e9%a2%98%e8%a7%a3\/","title":{"rendered":"\u7b2c 24 \u6b21 CCF CSP \u9898\u89e3"},"content":{"rendered":"<p><meta charset=\"UTF-8\"><meta name=\"viewport\" content=\"width=device-width initial-scale=1\"><br \/>\n<title>\u7b2c 24 \u6b21 CCF CSP \u9898\u89e3<\/title><\/p>\n<h2 id=\"a\">A<\/h2>\n<p>\u63a8\u5f0f\u5b50\uff0c\u7edf\u8ba1\u6bcf\u4e2a\u6570 <mjx-container class=\"MathJax\" jax=\"SVG\" style=\"position: relative;\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"1.937ex\" height=\"1.355ex\" role=\"img\" focusable=\"false\" viewBox=\"0 -441 856 598.8\" 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xlink:href=\"#MJX-206-TEX-N-2217\"><\/use><\/g><g data-mml-node=\"mi\" transform=\"translate(18211.6,0)\"><use data-c=\"1D45B\" xlink:href=\"#MJX-206-TEX-I-1D45B\"><\/use><\/g><\/g><\/g><\/svg><\/mjx-container><\/div>\n<\/div>\n<p>\u76f4\u63a5\u6c42\u548c\u5373\u53ef\u3002<\/p>\n<pre><code class=\"language-cpp\" lang=\"cpp\">#include&lt;iostream&gt;\n#include&lt;cstdio&gt;\ntypedef long long ll;\nconst int N=205;\nint n,m;\nint a[N];\ninline void init(){\n\tscanf(\"%d%d\",&amp;n,&amp;m);\n\tfor(int i=1;i&lt;=n;++i){\n\t\tscanf(\"%d\",&amp;a[i]);\n\t}\n\tll ans=0;\n\tfor(int i=1;i&lt;n;++i){\n\t\tans+=(a[i+1]-a[i])*i;\n\t}\n\tans+=(m-a[n])*n;\n\tprintf(\"%lld\\n\",ans);\n}\n\n\nint main(){\n\tinit();\n\treturn 0;\n}\n<\/code><\/pre>\n<p>&nbsp;<\/p>\n<h2 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transform=\"translate(523,-150) scale(0.707)\" data-mjx-texclass=\"ORD\"><g data-mml-node=\"msub\"><g data-mml-node=\"mi\"><use data-c=\"1D44F\" xlink:href=\"#MJX-208-TEX-I-1D44F\"><\/use><\/g><g data-mml-node=\"mi\" transform=\"translate(462,-150) scale(0.707)\"><use data-c=\"1D456\" xlink:href=\"#MJX-208-TEX-I-1D456\"><\/use><\/g><\/g><\/g><\/g><g data-mml-node=\"mo\" transform=\"translate(15672.6,0) translate(0 -0.5)\"><use data-c=\"7C\" xlink:href=\"#MJX-208-TEX-N-7C\"><\/use><\/g><\/g><\/g><\/svg><\/mjx-container><\/div>\n<\/div>\n<pre><code class=\"language-cpp\" lang=\"cpp\">#include&lt;iostream&gt;\n#include&lt;cstdio&gt;\n#include&lt;algorithm&gt;\ntypedef long long ll;\nconst int N=100005;\n\ninline ll Abs(ll X){\n\treturn X&gt;=0?X:-X;\n}\nll n,m,r;\nll a[N],b[N&lt;&lt;1];\ninline ll f(ll X){\n\treturn std::upper_bound(a+1,a+1+n,X)-a-1;\n}\ninline ll g(ll X){\n\treturn X\/r;\n}\n\ninline void init(){\n\tscanf(\"%d%d\",&amp;n,&amp;m);\n\tfor(int i=1;i&lt;=n;++i){\n\t\tscanf(\"%d\",&amp;a[i]);\n\t\tb[i]=a[i];\n\t}\n\tr=m\/(n+1);ll tot;\n\tfor(tot=1;tot*r&lt;=m;++tot){\n\t\tb[n+tot]=tot*r;\n\t}\n\ttot+=n;\n\tb[++tot]=m;\n\tstd::sort(b+1,b+1+tot);\n\tll ans=0;\n\tfor(int i=1;i&lt;tot;++i){\n\t\tans+=(b[i+1]-b[i])*Abs(f(b[i])-g(b[i]));\n\t}\n\tprintf(\"%lld\\n\",ans);\n}\n\n\nint main(){\n\tinit();\n\treturn 0;\n}\n<\/code><\/pre>\n<p>&nbsp;<\/p>\n<h2 id=\"c\">C<\/h2>\n<p>\u4f9d\u9898\u610f\u6a21\u62df\u5373\u53ef\u3002<\/p>\n<p>\u6709\u4e00\u4e2a\u6570\u8bba\u6210\u4efd\uff1a\u4e2d\u95f4\u9700\u8981\u8fdb\u884c\u4e00\u6b21\u591a\u9879\u5f0f\u9664\u6cd5\u3002\u6240\u5e78\u65f6\u95f4\u590d\u6742\u5ea6\u8981\u6c42\u8f83\u4f4e\uff0c\u76f4\u63a5\u6a21\u62df\u5373\u53ef\u3002<\/p>\n<pre><code class=\"language-cpp\" lang=\"cpp\">#include&lt;iostream&gt;\n#include&lt;cstdio&gt;\n#include&lt;cstring&gt;\nconst int N = 2005;\nconst int MOD = 929;\n\nint typ(char X){\n\treturn ('0'&lt;=X&amp;&amp;X&lt;='9')?3:('a'&lt;=X&amp;&amp;X&lt;='z')?2:1;\n}\n\nint id(char X){\n\treturn (typ(X)==1)?X-'A':((typ(X)==2)?X-'a':X-'0'); \n}\n\n\nint w,s,n,k;\nchar ch[N];\nint ans[N],tp=1;\nint str[N],stp=0;\nint pw3[N];\nint d[N],g[N],r[N],tmp[N];\n\n\/\/now max x^(A-1), tms x+B;\ninline void mlt(int A,int B){\n\tfor(int i=0;i&lt;A;++i){\n\t\ttmp[i]=g[i];\n\t}\n\tfor(int i=A;i&gt;0;--i){\n\t\tg[i]=g[i-1];\n\t}\n\tg[0]=0;\n\tfor(int i=0;i&lt;A;++i){\n\t\tg[i]+=tmp[i]*B%MOD;\n\t\tg[i]%=MOD;\n\t}\n}\n\n\/\/ reduce which tms A*x^B\ninline void red(int A,int B){\n\tfor(int i=B;i&lt;=B+k;++i){\n\t\td[i]-=(g[i-B]*A%MOD);\n\t\td[i]+=MOD;d[i]%=MOD;\n\t}\n}\n\ninline void div(){\n\tfor(int i=tp+k-1;i&gt;=k;--i){\n\t\tred(d[i],i-k);\n\t}\n}\n\ninline void genG(){\n\tg[0]=1;\n\tfor(int i=1;i&lt;=k;++i){\n\t\tmlt(i,(MOD-pw3[i])%MOD);\n\t}\n\/\/\tfor(int i=0;i&lt;=k;++i){\n\/\/\t\tprintf(\"%d \",g[i]);\n\/\/\t}\n\/\/\tputs(\"\");\n}\n\ninline void init(){\n\tscanf(\"%d%d\",&amp;w,&amp;s);\n\tk=(s&gt;=0)?(1&lt;&lt;(s+1)):0;\n\tstd::cin&gt;&gt;ch+1;\n\tn=strlen(ch+1);\n\tch[0]=='S';\n\tfor(int i=1;i&lt;=n;++i){\n\t\tif(typ(ch[i])!=typ(ch[i-1])){\n\t\t\tif(typ(ch[i])==2){\n\t\t\t\tstr[++stp]=27;\n\t\t\t}else if(typ(ch[i])==3){\n\t\t\t\tstr[++stp]=28;\n\t\t\t}else if(typ(ch[i-1])==3){\n\t\t\t\tstr[++stp]=28;\n\t\t\t}else{\n\t\t\t\tstr[++stp]=28;\n\t\t\t\tstr[++stp]=28;\n\t\t\t}\n\t\t}\n\t\tstr[++stp]=id(ch[i]);\n\t}\n\tif(stp&amp;1){\n\t\tstr[++stp]=29;\n\t}\n\tfor(int i=1;i&lt;=stp;i+=2){\n\t\tans[++tp]=30*(str[i])+str[i+1];\n\t}\n\twhile((tp+k)%w){\n\t\tans[++tp]=900;\n\t}\n\tans[1]=tp;\n\tif(s==-1){\n\t\treturn;\n\t}\n\tfor(int i=0;i&lt;k;++i){\n\t\td[i]=0;\n\t}\n\tfor(int i=1;i&lt;=tp;++i){\n\t\td[i+k-1]=ans[tp-i+1];\n\t}\n\tgenG();\n\tdiv();\n\tfor(int i=0;i&lt;k;++i){\n\t\tans[++tp]=(MOD-d[k-i-1])%MOD;\n\t}\n}\n\n\nint main(){\n\tpw3[0]=1;\n\tfor(int i=1;i&lt;=1000;++i){\n\t\tpw3[i]=pw3[i-1]*3%MOD;\n\t}\n\/\/\tfor(int i=0;i&lt;=8;++i){\n\/\/\t\tk=(1&lt;&lt;i+1);\n\/\/\t\tgenG();\n\/\/\t}\n\tinit();\n\tfor(int i=1;i&lt;=tp;++i){\n\t\tprintf(\"%d\\n\",ans[i]);\n\t}\n\treturn 0;\n}\n<\/code><\/pre>\n<p>&nbsp;<\/p>\n<h2 id=\"d\">D<\/h2>\n<p>\u636e\u79f0\u662f\u7ebf\u6bb5\u6811\u6a21\u677f\u9898\u3002\u6211\u7528\u7684\u662f\u5e73\u8861\u6811\u6a21\u62df\u533a\u95f4\u64cd\u4f5c\uff0c\u540c\u6837\u53ef\u4ee5\u901a\u8fc7\u6b64\u9898\u3002<\/p>\n<pre><code class=\"language-cpp\" lang=\"cpp\">#include&lt;iostream&gt;\n#include&lt;cstdio&gt;\n#include&lt;set&gt;\nusing namespace std;\nstruct Data{\n\tint l;int r;int id;int v;mutable bool bo;\n\tbool operator&lt;(const Data &amp;B)const{\n\t\treturn r&lt;B.r;\n\t}\n};\n\nstd::set&lt;Data&gt; st;\nint n,m,q;\n\ninline std::set&lt;Data&gt;::iterator srch(int X){\n\treturn st.lower_bound((Data){0,X,0,0,0});\n}\n\n\/\/split between X &amp; X+1:\ninline void split(int X){\n\/\/\tprintf(\"split from:%d\\n\",X);\n\tstd::set&lt;Data&gt;::iterator it = srch(X);\n\tif(it == st.end() || X == m || it-&gt;r == X || it-&gt;l &gt; X){\n\t\treturn;\n\t}\n\tint l=it-&gt;l,r=it-&gt;r,id=it-&gt;id,v=it-&gt;v,bo=it-&gt;bo;\n\tst.erase(it);\n\tst.insert((Data){l,X,id,v,bo});\n\tst.insert((Data){X+1,r,id,v,bo});\n}\n\n\ninline int add(int L,int R,int ID,int X){\n\tsplit(L-1);split(R);\n\tstd::set&lt;Data&gt;::iterator itx = srch(L);\n\tif(itx == st.end() || itx-&gt;l &gt; R){\n\t\tst.insert((Data){L,R,ID,X,1});\n\t\treturn R;\n\t}\n\tint R1=L-1;\n\tstd::set&lt;Data&gt;::iterator ity;\n\tbool nbo=0;\n\tfor(ity = itx; ity!=st.end()&amp;&amp;ity-&gt;l&lt;=R;++ity){\n\t\tR1=ity-&gt;l-1;\n\t\tif(ity-&gt;id != ID &amp;&amp; ity-&gt;bo){\n\t\t\tnbo=1;\n\t\t\tbreak;\n\t\t}\n\t}\n\tif(!nbo){\n\t\tR1=R;\n\t}\n\tif(R1&lt;L){\n\t\treturn -1;\n\t}\n\tst.erase(itx,ity);\n\tst.insert((Data){L,R1,ID,X,1});\n\treturn R1; \n}\n\ninline void prnt(std::set&lt;Data&gt;::iterator it){\n\tif(it==st.end()){\n\t\tputs(\"end\");\n\t\treturn;\n\t} \n\tprintf(\"%d %d %d %d %d\\n\",it-&gt;l,it-&gt;r,it-&gt;id,it-&gt;v,it-&gt;bo);\n}\n\ninline bool del(int L,int R,int ID){\n\tsplit(L-1);split(R);\n\tstd::set&lt;Data&gt;::iterator itx = srch(L);\n\tif(itx == st.end() || itx-&gt;l!=L){\n\t\treturn 0;\n\t}\n\tstd::set&lt;Data&gt;::iterator ity;\n\tint R1=L-1;\n\tfor(ity = itx; ity!=st.end()&amp;&amp;ity-&gt;l&lt;=R;++ity){\n\/\/\t\tprnt(ity);\n\t\tif(ity-&gt;id != ID || (!ity-&gt;bo) || ity-&gt;l!=R1+1){\n\t\t\treturn 0;\n\t\t}\n\t\tR1=ity-&gt;r;\n\t}\n\tif(R1&lt;R){\n\t\treturn 0;\n\t}\n\tfor(ity = itx; ity!=st.end()&amp;&amp;ity-&gt;l&lt;=R;++ity){\n\t\tity-&gt;bo=0;\n\t}\n\treturn 1;\n}\n\ninline bool rbck(int L,int R,int ID){\n\tsplit(L-1);split(R);\n\tstd::set&lt;Data&gt;::iterator itx = srch(L);\n\tif(itx == st.end() || itx-&gt;l!=L){\n\t\treturn 0;\n\t}\n\tstd::set&lt;Data&gt;::iterator ity;\n\tint R1=L-1;\n\tfor(ity = itx; ity!=st.end()&amp;&amp;ity-&gt;l&lt;=R;++ity){\n\t\tif(ity-&gt;id != ID || ity-&gt;bo || ity-&gt;l != R1+1){\n\t\t\treturn 0;\n\t\t}\n\t\tR1=ity-&gt;r;\n\t}\n\tif(R1&lt;R){\n\t\treturn 0;\n\t}\n\tfor(ity = itx; ity!=st.end()&amp;&amp;ity-&gt;l&lt;=R;++ity){\n\t\tity-&gt;bo=1;\n\t}\n\treturn 1;\n}\n\ninline void init(){\n\tscanf(\"%d%d%d\",&amp;n,&amp;m,&amp;q);\n\tint op,id,l,r,p,v;\n\tfor(int i=1;i&lt;=q;++i){\n\t\tscanf(\"%d\",&amp;op);\n\t\tswitch(op){\n\t\t\tcase 0:{\n\t\t\t\tscanf(\"%d%d%d%d\",&amp;id,&amp;l,&amp;r,&amp;v);\n\t\t\t\tprintf(\"%d\\n\",add(l,r,id,v));\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\tcase 1:{\n\t\t\t\tscanf(\"%d%d%d\",&amp;id,&amp;l,&amp;r);\n\t\t\t\tputs(del(l,r,id)?\"OK\":\"FAIL\");\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\tcase 2:{\n\t\t\t\tscanf(\"%d%d%d\",&amp;id,&amp;l,&amp;r);\n\t\t\t\tputs(rbck(l,r,id)?\"OK\":\"FAIL\");\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\tcase 3:{\n\t\t\t\tscanf(\"%d\",&amp;p);\n\t\t\t\tstd::set&lt;Data&gt;::iterator it = srch(p);\n\t\t\t\tif(it == st.end() || it-&gt;l&gt;p || it-&gt;bo == 0){\n\t\t\t\t\tputs(\"0 0\");\n\t\t\t\t}else{\n\t\t\t\t\tprintf(\"%d %d\\n\",it-&gt;id,it-&gt;v);\n\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\t}\n}\n\n\nint main(){\n\tinit();\n\treturn 0;\n}\n<\/code><\/pre>\n<p>&nbsp;<\/p>\n<h2 id=\"e\">E<\/h2>\n<p>\u6765\u4e0d\u53ca\u4e86\uff0c\u6253\u4e2a\u66b4\u529b\u8d70\u4eba<\/p>\n<pre><code class=\"language-cpp\" lang=\"cpp\">#include&lt;iostream&gt;\n#include&lt;cstdio&gt;\ntypedef long long ll;\nconst int N=100005;\nconst int INF=0x3f3f3f3f;\n\ninline int Max(int A,int B){\n\treturn A&gt;B?A:B;\n}\n\ninline int Min(int A,int B){\n\treturn A&lt;B?A:B;\n}\n\nstruct ee{\n\tint v;\n\tint nxt;\n}e[N&lt;&lt;1];\nint et=0,h[N];\ninline void add(int U,int V){\n\te[++et]=(ee){V,h[U]};\n\th[U]=et;\n}\n\nint n,k1,k2;\n\nint rt;\nint mx[N],mn[N];\nll dfs(int X,int FA){\n\tmx[X]=Max(mx[FA],X);\n\tmn[X]=Min(mn[FA],X);\n\tll ret=(mn[X]&gt;=(Min(X,rt)-k1))&amp;&amp;mx[X]&lt;=(Max(X,rt)+k2)&amp;&amp;X&gt;=rt;\n\tfor(int i=h[X];i;i=e[i].nxt){\n\t\tif(e[i].v!=FA){\n\t\t\tret+=dfs(e[i].v,X);\n\t\t}\n\t}\n\treturn ret;\n}\ninline ll calc(int X){\n\trt=X;\n\tfor(int i=1;i&lt;=n;++i){\n\t\tmx[i]=INF;\n\t\tmn[i]=0;\n\t}\n\tmn[0]=mx[0]=X;\n\treturn dfs(X,0);\n}\n\ninline void slv1(){\n\tll ans=0;\n\tfor(int i=1;i&lt;=n;++i){\n\t\tans+=calc(i);\n\t}\n\tprintf(\"%lld\\n\",ans);\n}\n\ninline void init(){\n\tscanf(\"%d%d%d\",&amp;n,&amp;k1,&amp;k2);\n\tint u,v;\n\tfor(int i=1;i&lt;n;++i){\n\t\tscanf(\"%d%d\",&amp;u,&amp;v);\n\t\tadd(u,v);add(v,u);\n\t}\n\tif(n&lt;=5000){\n\t\tslv1();\n\t}\n}\n\n\nint main(){\n\tinit();\n\treturn 0;\n}\n<\/code><\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7b2c 24 \u6b21 CCF CSP \u9898\u89e3 A \u63a8\u5f0f\u5b50\uff0c\u7edf\u8ba1\u6bcf\u4e2a\u6570 \u7684\u8d21\u732e\uff0c\u663e\u7136\u6bcf\u6709\u4e00\u4e2a\u6bd4\u5b83\u5927\u4e14\u6bd4\u5b83\u7684\u540e\u7ee7\u5c0f\u7684\u6570\u90fd\u4f1a\u4ea7 &hellip; <\/p>\n<p class=\"link-more\"><a href=\"http:\/\/SmokeyDays.top\/wordpress\/2022\/06\/16\/%e7%ac%ac-24-%e6%ac%a1-ccf-csp-%e9%a2%98%e8%a7%a3\/\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">\u201c\u7b2c 24 \u6b21 CCF CSP \u9898\u89e3\u201d<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[134,5],"tags":[],"_links":{"self":[{"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/posts\/1038"}],"collection":[{"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/comments?post=1038"}],"version-history":[{"count":3,"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/posts\/1038\/revisions"}],"predecessor-version":[{"id":1045,"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/posts\/1038\/revisions\/1045"}],"wp:attachment":[{"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/media?parent=1038"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/categories?post=1038"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/tags?post=1038"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}