{"id":264,"date":"2012-11-14T21:06:00","date_gmt":"2012-11-14T13:06:00","guid":{"rendered":"http:\/\/nike0good.jp1.rpvhost.net\/169"},"modified":"2012-11-14T21:06:00","modified_gmt":"2012-11-14T13:06:00","slug":"poj_1961_kmp_prefix_longest_repeated_substring","status":"publish","type":"post","link":"https:\/\/nike0good.com\/?p=264","title":{"rendered":"POJ 1961(KMP\u524d\u7f00\u6700\u957f\u91cd\u590d\u5b50\u4e32\uff09"},"content":{"rendered":"\n\n\n
\n
Language:\n\n\n\n
Time Limit:<\/strong> 3000MS<\/td>\n <\/td>\nMemory Limit:<\/strong> 30000K<\/td>\n<\/tr>\n
Total Submissions:<\/strong> 10179<\/td>\n <\/td>\nAccepted:<\/strong> 4662<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\nDescription<\/p>\n

\n\u6c42\u4e00\u4e2a\u5b57\u7b26\u4e32\u4e2d\uff0c\u6240\u6709\u5faa\u73af\u8282\u5927\u4e8e2\u7684\u5b50\u4e32\u3002<\/div>\n

\nInput<\/p>\n

\n\u6709\u82e5\u5e72\u7ec4\u6570\u636e\uff0c<\/div>\n
\n\u6bcf\u7ec4\u6570\u636e\u7b2c\u4e00\u884c\u4e3a\u5b57\u7b26\u4e32\u957f\u5ea6\uff0c\u7b2c\u4e8c\u884c\u4e3a\u5b57\u7b26\u4e32<\/div>\n
\n\u4ee50\u7ed3\u675f\u3002<\/div>\n

\nOutput<\/p>\n

\n\u5bf9\u4e8e\u6bcf\u7ec4\u6570\u636e\uff0c\u8f93\u51fa'Test case #i",i\u4ece0\u5f00\u59cb\uff0c\u4e4b\u540e\u6bcf\u884c\u8f93\u51fa\u4e24\u4e2a\u6570\uff0c\u5206\u522b\u8868\u793a\u524d\u7f00\u957f\u5ea6\u548c\u5faa\u73af\u8282\u6570\uff08>1).<\/div>\n
\n\u6bcf\u7ec4\u6570\u636e\u540e\u8f93\u51fa\u4e00\u4e2a\u7a7a\u884c\u3002<\/div>\n

\nSample Input<\/p>\n

3\naaa\n12\naabaabaabaab\n0<\/pre>\n
\nSample Output<\/p>\n
Test case #1\n2 2\n3 3\n\nTest case #2\n2 2\n6 2\n9 3\n12 4<\/pre>\n
\nSource<\/p>\n
\nSoutheastern Europe 2004<\/a><\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\u8fd9\u9898\u5c31\u662fKMP\u95ee\u9898\u3002<\/span><\/p>\n
\u8fd8\u662fNext\uff0c<\/span><\/p>\n
\u5148\u505a\u4e0d\u5224\u91cd\u590d\u4f18\u5316\u7684\u5904\u7406<\/span><\/p>\n
\u89c2\u5bdf\u53d1\u73b0\u82e5\u524d\u9762\u6709\u5faa\u73af\u8282\uff0c\u5219\u6709i->i-p->i-2p...->i-kp=1<\/span><\/p>\n
\u5219i-next[i]\u8868\u793a\u5faa\u73af\u7ed3\u957f\u5ea6p\uff0c\u663e\u7136\u6709p|\uff08i-1),(i-1) div p>1.<\/span><\/p>\n
\u5982\u4e0b:<\/span><\/p>\n

\n<\/span><\/p>\n

\n<\/span><\/p>\n
<\/span><\/p>\n
Program Poj1961;\nconst\n   maxn=10000000;\nvar\n   i,j,tt,n,duan_luo:longint;\n   next:array[1..maxn] of longint;\n   a:ansistring;\nbegin\n   tt:=1;\n   while (true) do\n   begin\n      readln(n);\n      if n=0 then break;\n      readln(a);  inc(n); a:=a+'.';\n      i:=1;j:=0;next[1]:=0;\n      while (i<=n-1) do\n      begin\n         if (j=0) or (a[i]=a[j]) then\n         begin\n             inc(i);inc(j);\n           \/\/  if (a[i]<>a[j]) then next[i]:=j else next[i]:=next[j];\n             next[i]:=j;\n         end\n         else j:=next[j];\n      end;\n\n      writeln('Test case #',tt);\n\n      for i:=2 to n do\n      begin\n         duan_luo:=i-next[i];\n         if (duan_luo>0) and ((i-1) mod duan_luo=0) and ((i-1) div duan_luo>1) then\n            writeln(i-1,' ',(i-1) div duan_luo);\n\n\n\n      end;\n\n\/\/    readln;\n      writeln;\n      inc(tt);\n   end;\n\nend.\n<\/pre>\n<\/p>\n
\n<\/p>\n

\n<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"
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