锘??xml version="1.0" encoding="utf-8" standalone="yes"?>人人妻久久人人澡人人爽人人精品,国产农村妇女毛片精品久久,日韩一区二区久久久久久http://www.shnenglu.com/sephiroth/Love just for you.zh-cnWed, 07 May 2025 09:17:10 GMTWed, 07 May 2025 09:17:10 GMT60娉ㄧ洰浜?jiǎn)闃垮Q侊紒錛侊綖锝烇綖http://www.shnenglu.com/sephiroth/archive/2010/09/11/126399.htmlSephiroth LeeSephiroth LeeSat, 11 Sep 2010 04:09:00 GMThttp://www.shnenglu.com/sephiroth/archive/2010/09/11/126399.htmlhttp://www.shnenglu.com/sephiroth/comments/126399.htmlhttp://www.shnenglu.com/sephiroth/archive/2010/09/11/126399.html#Feedback0http://www.shnenglu.com/sephiroth/comments/commentRss/126399.htmlhttp://www.shnenglu.com/sephiroth/services/trackbacks/126399.html

Sephiroth Lee 2010-09-11 12:09 鍙戣〃璇勮
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WIN7浣撻獙http://www.shnenglu.com/sephiroth/archive/2010/09/07/126073.htmlSephiroth LeeSephiroth LeeTue, 07 Sep 2010 02:09:00 GMThttp://www.shnenglu.com/sephiroth/archive/2010/09/07/126073.htmlhttp://www.shnenglu.com/sephiroth/comments/126073.htmlhttp://www.shnenglu.com/sephiroth/archive/2010/09/07/126073.html#Feedback0http://www.shnenglu.com/sephiroth/comments/commentRss/126073.htmlhttp://www.shnenglu.com/sephiroth/services/trackbacks/126073.html浠婂ぉ鐢ㄥ樊涓嶅鍗婂ぉ鐨勬椂闂存妸WIN7瑁呭ソ浜?jiǎn)锛屽お绡忎恨Z簡(jiǎn)銆?/font>

鏄懼崱榪樻槸澶瀮鍦鋸︹?絳夋斁鍋囧幓瀹鵑鍗鎬竴涓洖鏉ワ紒錛佲︹︼紙鏈夌偣涓嶅ソ鐨勮錛?/font>

1G鐨勫唴瀛橈紝鍗犵敤閲忎竴鐩村湪54%宸﹀彸銆傜‘瀹炲緢鍚冪‖浠躲?/font>



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“闀挎矙涓涓涔?amp;rdquo;-day4http://www.shnenglu.com/sephiroth/archive/2010/09/04/125849.htmlSephiroth LeeSephiroth LeeFri, 03 Sep 2010 23:56:00 GMThttp://www.shnenglu.com/sephiroth/archive/2010/09/04/125849.htmlhttp://www.shnenglu.com/sephiroth/comments/125849.htmlhttp://www.shnenglu.com/sephiroth/archive/2010/09/04/125849.html#Feedback1http://www.shnenglu.com/sephiroth/comments/commentRss/125849.htmlhttp://www.shnenglu.com/sephiroth/services/trackbacks/125849.html浠婂ぉ涓婂崍鏄悳绱€?/p>
  1. 鏈灝戜箻娉曟鏁?/li>
  2. 褰╃エ闂
  3. 榛戠櫧媯嬫父鎴?/li>
  4. pku1729
  5. 澶氬鐞嗘満璋冨害闂
  6. 欖旂洏
  7. 鏈鐭紪鍙峰簭鍒?/li>
  8. 浠誨姟瀹夋帓
  9. 鏁板瓧娓告垙(c&m)
  10. 鍩冨強(qiáng)鍒嗘暟
  11. antiprime

涓嬪崍鏄暟瀛︾殑涓浜涗笢瑗褲?/p>

  1. 絎簩綾籹tring鏁?/li>
  2. 鍗$壒鍏版暟
  3. polya鍘熺悊
  4. 鏁存暟鍒嗚В
  5. 鏋佸奸棶棰?/li>
  6. Kathy鍑芥暟
  7. 閿欐帓闂
  8. 姹侳ibonacci鏁板垪
  9. 姣涙瘺铏?/li>
  10. 涓搴忓垪
  11. 鍦嗘鍚冮キ
  12. 01涓查棶棰?/li>
  13. 綆楁湳琛ㄨ揪寮忕殑璁$畻


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鏃墮棿濂旀祦http://www.shnenglu.com/sephiroth/archive/2010/09/02/125687.htmlSephiroth LeeSephiroth LeeThu, 02 Sep 2010 13:54:00 GMThttp://www.shnenglu.com/sephiroth/archive/2010/09/02/125687.htmlhttp://www.shnenglu.com/sephiroth/comments/125687.htmlhttp://www.shnenglu.com/sephiroth/archive/2010/09/02/125687.html#Feedback2http://www.shnenglu.com/sephiroth/comments/commentRss/125687.htmlhttp://www.shnenglu.com/sephiroth/services/trackbacks/125687.html鏃墮棿

濂旀祦銆?/p>

鏈潵鏄疎VA鐨勪竴涓悓浜哄皬璇淬佹煇緗戝弸鐨処D銆傜幇鍦ㄧ獊鐒舵湁榪欑鎰熻浜?jiǎn)銆?/p>

浜斿ぉ鐨勯泦璁紝鐜板湪絎笁澶╁氨瑕佺粨鏉熶簡(jiǎn)錛屾槑澶╁氨鏄?鍙楓?/p>

4鍙鳳紝5鍙鳳紝6鍙峰洖涓滃尯銆傜劧鍚庣寷琛ユ枃鍖栬錛屽啀鏈変竴涓湀錛屽氨寮濮嬫渶鍚庣殑鍑嗗浜?jiǎn)銆?/p>

11鏈?1鏃ワ紝涓婃垬鍦虹殑鏃ュ瓙銆?/p>

涓轟簡(jiǎn)瀹濊礉鍎匡紝涓轟簡(jiǎn)鎴戣嚜宸便?/p>

001



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“闀挎矙涓涓涔?amp;rdquo;-day3http://www.shnenglu.com/sephiroth/archive/2010/09/02/125682.htmlSephiroth LeeSephiroth LeeThu, 02 Sep 2010 12:58:00 GMThttp://www.shnenglu.com/sephiroth/archive/2010/09/02/125682.htmlhttp://www.shnenglu.com/sephiroth/comments/125682.htmlhttp://www.shnenglu.com/sephiroth/archive/2010/09/02/125682.html#Feedback0http://www.shnenglu.com/sephiroth/comments/commentRss/125682.htmlhttp://www.shnenglu.com/sephiroth/services/trackbacks/125682.html涓婂崍璁茬殑鍔ㄦ佽鍒掔殑浼樺寲銆傛湁寰堝緇忓吀鐨勪緥棰樸?/p>
  1. 瀹濈墿絳涢?/li>
  2. 鍐滅敯涓暟
  3. 鑺卞簵姍辯獥甯冪疆
  4. 涔樿濺璺嚎
  5. 鍙犳斁綆卞瓙
  6. 婕斿敱緇?/li>
  7. divide
  8. 娣誨姞鍙?/li>
  9. 璧伴亾閾虹爾闂
  10. 鑲$エ闂
  11. 鐏濺紲?/li>
  12. 鏉铓傝殎
  13. 鐟頒附鍗庡皵鍏?/li>

涓嬪崍寮濮嬩簡(jiǎn)鎼滅儲(chǔ)錛屾湁鐐規(guī)檿銆?/p>

  1. 璧拌糠瀹棶棰?/li>
  2. 璁㈣揣鍗?/li>
  3. 璁$畻鏈虹綉緇滆繛鎺?/li>
  4. N鐨囧悗
  5. Betsy鈥檚 tour

鏅氫笂濂藉ソ浼戞伅銆?/p>

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鏍?wèi)褰?鐝犲疂http://www.shnenglu.com/sephiroth/archive/2010/09/02/125678.htmlSephiroth LeeSephiroth LeeThu, 02 Sep 2010 12:40:00 GMThttp://www.shnenglu.com/sephiroth/archive/2010/09/02/125678.htmlhttp://www.shnenglu.com/sephiroth/comments/125678.htmlhttp://www.shnenglu.com/sephiroth/archive/2010/09/02/125678.html#Feedback0http://www.shnenglu.com/sephiroth/comments/commentRss/125678.htmlhttp://www.shnenglu.com/sephiroth/services/trackbacks/125678.html銆愭弿榪般?

緇欎竴媯祅涓粨鐐圭殑鏍?wèi)锛尵l欐瘡涓偣瀹夋帓涓涓鏁存暟緙栧彿錛屼嬌寰楃浉閭?cè)潅瑰呬h湁涓嶅悓鐨勭紪鍙鳳紝緙栧彿鐨勬誨拰灝介噺灝忋?br>銆愯緭鍏ャ?br>絎竴琛岋細(xì)n(n<=50,000)
浠ヤ笅n-1琛岋紝姣忚涓や釜鏁皍,v(1<=u,v<=n)錛岃〃紺簎 鍜寁鏈変竴鏉¤竟
銆愯緭鍑恒?br>浠呬竴琛岋紝涓烘渶灝忕紪鍙峰拰
銆愭牱渚嬭緭鍏ャ?br>8
1 2
1 3
1 4
1 5
5 6
5 7
5 8
銆愭牱渚嬭緭鍑恒?br>11

銆愬垎鏋愩?

f[i][j]琛ㄧずi榪欎釜鐐規(guī)爣j榪欎釜鏁版墍鑳藉埌杈劇殑鏈灝忔誨箋傛帶鍒秊鐨勮寖鍥村埌30鑲畾榪囥?/p>

  1: #include <stdio.h>
  2: #include <iostream>
  3: #define MAXINT 10000000
  4: #define maxn 50010
  5: using namespace std;
  6: 
  7: int f[maxn][31];
  8: int bl[maxn][maxn/100];
  9: int son[maxn][maxn/100],root[maxn];
 10: int n;
 11: int x,y;
 12: int ans=MAXINT;
 13: 
 14: void maket(int x)
 15: {
 16:     for (int i=1;i<=bl[x][0];++i)
 17:     {
 18:         int k=bl[x][i];
 19:         if (k==root[x]) continue;
 20:         son[x][++son[x][0]]=k;
 21:         root[k]=x;
 22:         maket(k);
 23:     }
 24: }
 25: 
 26: void dp(int x)
 27: {
 28:     if (f[x][1]) return;
 29:     for (int i=1;i<=30;++i)
 30:     {
 31:         for (int j=1;j<=son[x][0];++j)
 32:         {
 33:             int tt=son[x][j];
 34:             dp(tt);
 35:             int minn=MAXINT;
 36:             for (int jj=1;jj<=30;++jj)
 37:                 if (jj!=i)
 38:                     if (f[tt][jj]<minn)
 39:                         minn=f[tt][jj];
 40:             f[x][i]+=minn;
 41:         }
 42:         f[x][i]+=i;
 43:     }
 44: }
 45: 
 46: int main()
 47: {
 48:     freopen("gems.in","r",stdin);
 49:     freopen("gems.out","w",stdout);
 50:     
 51:     scanf("%d",&n);
 52:     for (int i=1;i<n;++i)
 53:     {
 54:         scanf("%d%d",&x,&y);
 55:         bl[x][++bl[x][0]]=y;
 56:         bl[y][++bl[y][0]]=x;
 57:     }
 58:     maket(1);
 59:     dp(1);
 60:     for (int i=1;i<=30;++i)
 61:         if (f[1][i]<ans)
 62:             ans=f[1][i];
 63:     printf("%d\n",ans);
 64:     return 0;
 65: }
 66: 


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鍔ㄦ佽鍒?鐨囧鐪嬪畧http://www.shnenglu.com/sephiroth/archive/2010/09/02/125675.htmlSephiroth LeeSephiroth LeeThu, 02 Sep 2010 11:58:00 GMThttp://www.shnenglu.com/sephiroth/archive/2010/09/02/125675.htmlhttp://www.shnenglu.com/sephiroth/comments/125675.htmlhttp://www.shnenglu.com/sephiroth/archive/2010/09/02/125675.html#Feedback1http://www.shnenglu.com/sephiroth/comments/commentRss/125675.htmlhttp://www.shnenglu.com/sephiroth/services/trackbacks/125675.html

銆愰棶棰樻弿榪般?/p>

澶鉤鐜嬩笘瀛愪簨浠跺悗錛岄檰灝忓嚖鎴愪簡(jiǎn)鐨囦笂鐗硅仒鐨勫盡鍓嶄竴鍝佷緧鍗?/p>

鐨囧浠ュ崍闂ㄤ負(fù)璧風(fēng)偣錛岀洿鍒板悗瀹珨濡冧滑鐨勫瘽瀹紝鍛堜竴媯墊爲(wèi)鐨勫艦鐘訛紱鏌愪簺瀹闂村彲浠ヤ簰鐩告湜瑙併傚ぇ鍐呬繚鍗.涓ワ紝涓夋涓宀楋紝浜旀涓鍝紝姣忎釜瀹閮借鏈変漢鍏ㄥぉ鍊欑湅瀹堬紝鍦ㄤ笉鍚岀殑瀹瀹夋帓鐪嬪畧鎵闇鐨勮垂鐢ㄤ笉鍚屻?/p>

鍙槸闄嗗皬鍑ゆ墜涓婄殑緇忚垂涓嶈凍錛屾棤璁哄浣曚篃娌℃硶鍦ㄦ瘡涓孌塊兘瀹夌疆鐣欏畧渚嶅崼銆?/p>

甯姪闄嗗皬鍑ゅ竷緗緧鍗紝鍦ㄧ湅瀹堝叏閮ㄥ孌跨殑鍓嶆彁涓嬶紝浣垮緱鑺辮垂鐨勭粡璐規(guī)渶灝戙?/p>

銆愭暟鎹緭鍏ャ?/p>

杈撳叆鏁版嵁鐢辨枃浠跺悕涓篒NPUT.TXT鐨勬枃鏈枃浠舵彁渚涖傝緭鍏ユ枃浠朵腑鏁版嵁琛ㄧず涓媯墊爲(wèi)錛屾弿榪板涓嬶細(xì)

絎?琛?n錛岃〃紺烘爲(wèi)涓粨鐐圭殑鏁扮洰銆?/p>

絎?琛岃嚦絎琻+1琛岋紝姣忚鎻忚堪姣忎釜瀹緇撶偣淇℃伅錛屼緷嬈′負(fù)錛氳瀹緇撶偣鏍囧彿i錛?<i<=n錛夛紝鍦ㄨ瀹瀹夌疆渚嶅崼鎵闇鐨勭粡璐筴錛岃杈圭殑鍎垮瓙鏁癿錛屾帴涓嬫潵m涓暟錛屽垎鍒槸榪欎釜鑺傜偣鐨刴涓効瀛愮殑鏍囧彿r1錛宺2錛?..錛宺m銆?/p>

瀵逛簬涓涓猲錛? < n <= 1500錛変釜緇撶偣鐨勬爲(wèi)錛岀粨鐐規(guī)爣鍙峰湪1鍒皀涔嬮棿錛屼笖鏍囧彿涓嶉噸澶嶃?/p>

銆愭暟鎹緭鍑恒?/p>

杈撳嚭鍒癘UTPUT.TXT鏂囦歡涓傝緭鍑烘枃浠朵粎鍖呭惈涓涓暟錛屼負(fù)鎵姹傜殑鏈灝戠殑緇忚垂銆?/p>

 

 

 

 

 

 

杈撳叆鏁版嵁紺轟緥 銆杈撳嚭鏁版嵁紺轟緥

      25

銆愬垎鏋愩?/p>

鍒嗗埆鐢╢[i][0]琛ㄧずi鐐規(guī)斁鐪嬪畧錛宖[i][1]琛ㄧずi鐐逛笉鏀劇湅瀹坕鐐硅鍎垮瓙鐩戣錛宖[i][2]琛ㄧずi鐐逛笉鏀劇湅瀹坕鐐硅鐖惰妭鐐圭洃瑙嗕笁涓儏鍐典笅鐨勬渶灝忚垂鐢ㄣ?/p>

f[i][0]=鎵鏈夊瓙鑺傜偣t鐨刦[t][0],f[t][1],f[t][2]涓渶灝忕殑涓涓殑鍚?k[i]

f[i][1]=鏌愪釜瀛愯妭鐐規(guī)斁鐪嬪畧+鍏朵粬鑺傜偣鐨刦[t][0],f[t][1]涓渶灝忕殑涓涓殑鍚?/p>

f[i][2]=鎵鏈夊瓙鑺傜偣鐨刦[t][1]鐨勫悎

  1: #include <stdio.h>
  2: #include <iostream>
  3: #define maxn 1510
  4: #define MAXINT 10000000
  5: using namespace std;
  6: 
  7: int son[maxn][maxn];
  8: int m[maxn];
  9: int n,x;
 10: int k[maxn];
 11: int tem[maxn];
 12: bool ro[maxn];
 13: int v;
 14: int f[maxn][3];
 15: 
 16: void dp(int x)
 17: {
 18:     if (f[x][0]) return;
 19:     for (int i=1;i<=m[x];++i)
 20:     {
 21:         int t=son[x][i];
 22:         dp(t);
 23:         f[x][0]+=min(f[t][0],min(f[t][1],f[t][2]));
 24:         f[x][2]+=f[t][1];
 25:     }
 26:     f[x][0]+=k[x];
 27:     memset(tem,0,sizeof(tem));
 28:     int tot=0;
 29:     for (int i=1;i<=m[x];++i)
 30:     {
 31:         int t=son[x][i];
 32:         tem[i]=min(f[t][0],f[t][1]);
 33:         tot+=tem[i];
 34:     }
 35:     f[x][1]=MAXINT;
 36:     for (int i=1;i<=m[x];++i)
 37:     {
 38:         int t=son[x][i];
 39:         if (tot-tem[i]+f[t][0]<f[x][1]) f[x][1]=tot-tem[i]+f[t][0];
 40:     }
 41: }
 42: 
 43: int main()
 44: {
 45:     freopen("guard.in","r",stdin);
 46:     freopen("guard.out","w",stdout);
 47:     
 48:     scanf("%d",&n);
 49:     for (int i=1;i<=n;++i)
 50:     {
 51:         scanf("%d",&x);
 52:         scanf("%d%d",&k[x],&m[x]);
 53:         for (int j=1;j<=m[x];++j)
 54:         {
 55:             scanf("%d",&son[x][j]);
 56:             ro[son[x][j]]=1;
 57:         }
 58:     }
 59:     for (int i=1;i<=n;++i)
 60:         if (!ro[i])
 61:         {
 62:             v=i;
 63:             break;
 64:         }
 65:     //for (int i=1;i<=n;++i)
 66:     //f[i][2]=f[i][1]=MAXINT;
 67:     dp(v);
 68:     printf("%d\n",min(f[v][0],f[v][1]));
 69:     return 0;
 70: }
 71: 


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鑱氫細(xì)鐨勫揩涔?/title><link>http://www.shnenglu.com/sephiroth/archive/2010/09/02/125672.html</link><dc:creator>Sephiroth Lee</dc:creator><author>Sephiroth Lee</author><pubDate>Thu, 02 Sep 2010 11:15:00 GMT</pubDate><guid>http://www.shnenglu.com/sephiroth/archive/2010/09/02/125672.html</guid><wfw:comment>http://www.shnenglu.com/sephiroth/comments/125672.html</wfw:comment><comments>http://www.shnenglu.com/sephiroth/archive/2010/09/02/125672.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.shnenglu.com/sephiroth/comments/commentRss/125672.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/sephiroth/services/trackbacks/125672.html</trackback:ping><description><![CDATA[<p>棰樼洰瑙乽ral1039</p><pre style="border-right: #cecece 1px solid; padding-right: 5px; border-top: #cecece 1px solid; padding-left: 5px; min-height: 40px; padding-bottom: 5px; overflow: auto; border-left: #cecece 1px solid; width: 650px; padding-top: 5px; border-bottom: #cecece 1px solid; background-color: #fbfbfb"><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #fbfbfb"> 1: #include <stdio.h> </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #ffffff"> 2: #include <stdlib.h> </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #fbfbfb"> 3: #include <iostream> </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #ffffff"> 4: #define maxn 6010 </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #fbfbfb"> 5: <span style="color: #0000ff">using</span> <span style="color: #0000ff">namespace</span> std; </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #ffffff"> 6: </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #fbfbfb"> 7: <span style="color: #0000ff">struct</span> ss </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #ffffff"> 8: { </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #fbfbfb"> 9: <span style="color: #0000ff">int</span> ro,nu; </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #ffffff"> 10: } a[maxn]; </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #fbfbfb"> 11: <span style="color: #0000ff">int</span> w[maxn]; </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #ffffff"> 12: <span style="color: #0000ff">int</span> f[maxn][2]; </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #fbfbfb"> 13: <span style="color: #0000ff">int</span> n; </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #ffffff"> 14: <span style="color: #0000ff">int</span> x,y; </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #fbfbfb"> 15: <span style="color: #0000ff">int</span> t[maxn]; </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #ffffff"> 16: </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #fbfbfb"> 17: <span style="color: #0000ff">int</span> cmp(<span style="color: #0000ff">const</span> <span style="color: #0000ff">void</span>*a,<span style="color: #0000ff">const</span> <span style="color: #0000ff">void</span>*b) </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #ffffff"> 18: { </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #fbfbfb"> 19: ss c=*(ss*)a,d=*(ss*)b; </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #ffffff"> 20: <span style="color: #0000ff">if</span> (c.ro<d.ro) <span style="color: #0000ff">return</span> -1; </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #fbfbfb"> 21: <span style="color: #0000ff">if</span> (c.ro>d.ro) <span style="color: #0000ff">return</span> 1; </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #ffffff"> 22: <span style="color: #0000ff">return</span> 0; </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #fbfbfb"> 23: } </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #ffffff"> 24: </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #fbfbfb"> 25: <span style="color: #0000ff">void</span> dp(<span style="color: #0000ff">int</span> x) </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #ffffff"> 26: { </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #fbfbfb"> 27: <span style="color: #0000ff">if</span> (f[x][1]) <span style="color: #0000ff">return</span>; </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #ffffff"> 28: <span style="color: #0000ff">for</span> (<span style="color: #0000ff">int</span> i=t[x];i<t[x+1];++i) </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #fbfbfb"> 29: { </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #ffffff"> 30: <span style="color: #0000ff">int</span> k=a[i].nu; </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #fbfbfb"> 31: dp(k); </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #ffffff"> 32: f[x][1]+=f[k][0]; </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #fbfbfb"> 33: f[x][0]+=max(f[k][0],f[k][1]); </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #ffffff"> 34: } </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #fbfbfb"> 35: f[x][1]+=w[x]; </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #ffffff"> 36: } </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #fbfbfb"> 37: </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #ffffff"> 38: <span style="color: #0000ff">int</span> main() </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #fbfbfb"> 39: { </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #ffffff"> 40: freopen("<span style="color: #8b0000">party.in</span>","<span style="color: #8b0000">r</span>",stdin); </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #fbfbfb"> 41: freopen("<span style="color: #8b0000">party.out</span>","<span style="color: #8b0000">w</span>",stdout); </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #ffffff"> 42: </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #fbfbfb"> 43: scanf("<span style="color: #8b0000">%d</span>",&n); </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #ffffff"> 44: <span style="color: #0000ff">for</span> (<span style="color: #0000ff">int</span> i=1;i<=n;++i) scanf("<span style="color: #8b0000">%d</span>",&w[i]); </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #fbfbfb"> 45: scanf("<span style="color: #8b0000">%d%d</span>",&x,&y); </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #ffffff"> 46: <span style="color: #0000ff">while</span> (!((!x)&&(!y))) </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #fbfbfb"> 47: { </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #ffffff"> 48: a[x].nu=x; </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #fbfbfb"> 49: a[x].ro=y; </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #ffffff"> 50: scanf("<span style="color: #8b0000">%d%d</span>",&x,&y); </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #fbfbfb"> 51: } </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #ffffff"> 52: <span style="color: #0000ff">for</span> (<span style="color: #0000ff">int</span> i=1;i<=n;++i) </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #fbfbfb"> 53: <span style="color: #0000ff">if</span> (!a[i].ro) </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #ffffff"> 54: a[i].nu=i; </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #fbfbfb"> 55: a[0].ro=-1; </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #ffffff"> 56: qsort(a,n+1,<span style="color: #0000ff">sizeof</span>(ss),cmp); </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #fbfbfb"> 57: <span style="color: #0000ff">for</span> (<span style="color: #0000ff">int</span> i=1;i<=n;++i) </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #ffffff"> 58: <span style="color: #0000ff">if</span> (!t[a[i].ro]) </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #fbfbfb"> 59: t[a[i].ro]=i; </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #ffffff"> 60: t[n+1]=n+1; </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #fbfbfb"> 61: <span style="color: #0000ff">for</span> (<span style="color: #0000ff">int</span> i=n;i>0;--i) </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #ffffff"> 62: <span style="color: #0000ff">if</span> (!t[i]) </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #fbfbfb"> 63: t[i]=t[i+1]; </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #ffffff"> 64: dp(0); </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #fbfbfb"> 65: printf("<span style="color: #8b0000">%d\n</span>",max(f[0][1],f[0][0])); </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #ffffff"> 66: <span style="color: #0000ff">return</span> 0; </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #fbfbfb"> 67: } </pre><pre style="font-size: 12px; margin: 0em; width: 100%; font-family: consolas,'Courier New',courier,monospace; background-color: #ffffff"> 68: </pre></pre><img src ="http://www.shnenglu.com/sephiroth/aggbug/125672.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.shnenglu.com/sephiroth/" target="_blank">Sephiroth Lee</a> 2010-09-02 19:15 <a href="http://www.shnenglu.com/sephiroth/archive/2010/09/02/125672.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>浠誨姟瀹夋帓http://www.shnenglu.com/sephiroth/archive/2010/09/02/125671.htmlSephiroth LeeSephiroth LeeThu, 02 Sep 2010 10:39:00 GMThttp://www.shnenglu.com/sephiroth/archive/2010/09/02/125671.htmlhttp://www.shnenglu.com/sephiroth/comments/125671.htmlhttp://www.shnenglu.com/sephiroth/archive/2010/09/02/125671.html#Feedback0http://www.shnenglu.com/sephiroth/comments/commentRss/125671.htmlhttp://www.shnenglu.com/sephiroth/services/trackbacks/125671.html銆愭弿榪般?

N涓換鍔℃帓鎴愪竴涓簭鍒楀湪涓鍙版満鍣ㄤ笂絳夊緟瀹屾垚錛堥『搴忎笉寰楁敼鍙橈級(jí)錛岃繖N涓換鍔¤鍒嗘垚鑻ュ共鎵癸紝姣忔壒鍖呭惈鐩擱偦鐨勮嫢騫蹭換鍔°備粠鏃跺埢0寮濮嬶紝榪欎簺浠誨姟琚垎鎵瑰姞宸ワ紝絎琲涓換鍔″崟鐙畬鎴愭墍闇鐨勬椂闂存槸Ti銆傚湪姣忔壒浠誨姟寮濮嬪墠錛屾満鍣ㄩ渶瑕佸惎鍔ㄦ椂闂碨錛岃屽畬鎴愯繖鎵逛換鍔℃墍闇鐨勬椂闂存槸鍚勪釜浠誨姟闇瑕佹椂闂寸殑鎬誨拰錛堝悓涓鎵逛換鍔″皢鍦ㄥ悓涓鏃跺埢瀹屾垚錛夈傛瘡涓換鍔$殑璐圭敤鏄畠鐨勫畬鎴愭椂鍒諱箻浠ヤ竴涓垂鐢ㄧ郴鏁癋i銆傝紜畾涓涓垎緇勬柟妗堬紝浣垮緱鎬昏垂鐢ㄦ渶灝忋?渚嬪錛歋=1錛汿={1,3,4,2,1}錛汧={3,2,3,3,4}銆傚鏋滃垎緇勬柟妗堟槸{1,2}銆亄3}銆亄4,5}錛屽垯瀹屾垚鏃墮棿鍒嗗埆涓簕5,5,10,14,14}錛岃垂鐢–{15,10,30,42,56}錛屾昏垂鐢ㄥ氨鏄?53銆?

銆愯緭鍏ャ?/p>

絎竴琛屾槸N(1<=N<=5000)銆?絎簩琛屾槸S(0<=S<=50)銆?涓嬮潰N琛屾瘡琛屾湁涓瀵規(guī)暟錛屽垎鍒負(fù)Ti鍜孎i錛屽潎涓轟笉澶т簬100鐨勬鏁存暟錛岃〃紺虹i涓換鍔″崟鐙畬鎴愭墍闇鐨勬椂闂存槸Ti鍙?qiáng)鍏惰垂鐢ňp繪暟Fi銆?

銆愯緭鍑恒?

涓涓暟錛屾渶灝忕殑鎬昏垂鐢ㄣ?br>銆愭牱渚嬨?/p>
BATCH.IN BATCH.OUT
5
1
1 3
3 2
4 3
2 3
1 4
153

銆愬垎鏋愩?/p>

dp[i]錛氬畬鎴愬伐浣?鍒板伐浣淚鐨勮垂鐢?鍥犲鍔燬浠嶪鍒癗澧炲姞鐨勮垂鐢ㄧ殑鎬誨拰鐨勬渶灝忚垂鐢ㄣ?/p>

dp[i]=min{dp[k-1]+s*(f[n]-f[k-1])+t[i]*(f[i]-f[k-1])}

  1: #include <stdio.h>
  2: #include <iostream>
  3: #define MAXINT 10000000
  4: #define maxn 5010
  5: using namespace std;
  6: 
  7: int n,s;
  8: int t[maxn],f[maxn],dp[maxn];
  9: int tem;
 10: 
 11: int main()
 12: {
 13:     freopen("batch.in","r",stdin);
 14:     freopen("batch.out","w",stdout);
 15:     
 16:     scanf("%d%d",&n,&s);
 17:     for (int i=1;i<=n;++i)
 18:     {
 19:         scanf("%d%d",&t[i],&f[i]);
 20:         t[i]+=t[i-1];
 21:         f[i]+=f[i-1];
 22:     }
 23:     for (int i=1;i<=n;++i) dp[i]=MAXINT;
 24:     dp[0]=0;
 25:     for (int i=1;i<=n;++i)
 26:         for (int k=1;k<=i;++k)
 27:         {
 28:             tem=dp[k-1]+s*(f[n]-f[k-1])+t[i]*(f[i]-f[k-1]);
 29:             if (tem<dp[i]) dp[i]=tem;
 30:         }
 31:     printf("%d\n",dp[n]);
 32:     return 0;
 33: }
 34: 


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鍔ㄦ佽鍒?鍏崇伅http://www.shnenglu.com/sephiroth/archive/2010/09/02/125617.htmlSephiroth LeeSephiroth LeeThu, 02 Sep 2010 03:54:00 GMThttp://www.shnenglu.com/sephiroth/archive/2010/09/02/125617.htmlhttp://www.shnenglu.com/sephiroth/comments/125617.htmlhttp://www.shnenglu.com/sephiroth/archive/2010/09/02/125617.html#Feedback0http://www.shnenglu.com/sephiroth/comments/commentRss/125617.htmlhttp://www.shnenglu.com/sephiroth/services/trackbacks/125617.html銆愭弿榪般?

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POWER.IN POWER.OUT
4
3
2 2
5 8
6 1
8 7
56

銆愬垎鏋愩?/p>

鐢╟[i][j]琛ㄧず鍏蟲帀i鍒癹鐨勭伅錛?u>鍓╀笅鐨勭伅鐨勫姛鐜囥?/p>

f[i][j][0]琛ㄧずv宸﹂潰鍏蟲帀i錛屽彸闈㈠叧鎺塲鐩忕伅錛屾渶鍚庡仠鍒板乏闈€?/p>

f[i][j][1]琛ㄧずv宸﹂潰鍏蟲帀i錛屽彸闈㈠叧鎺塲鐩忕伅錛屾渶鍚庡仠鍒板彸闈€?/p>

鍒濆鏉′歡錛?/p>

f[0,0,0]=f[1,0,0]=0

杞Щ鏂圭▼錛?/瀵逛簬鎵鏈夌殑i鍜宩錛屾弧瓚?<i<=v-1錛?<j<=n-v

f[0,I,0]=f[0,i-1,0]+c[v-i+1,v]*(d[v-i+1]-d[v-i]){浠巌-1璧板埌i鎵鑰楀姛鐜噠

f[1,I,0]=f[0,I,0]+c[v-I,v]*(d[v]-d[v-i]){ {浠巌璧板埌v鎵鑰楀姛鐜噠

f[1,0,j]=f[1,0,j-1]+c[v,v+j-1]*(d[v+j]-d[v+j-1])

f[0,0,j]=f[1,0,j]+c[v,v+j]*(d[v+j]-d[v])

f[0,I,j]=min{f[0,i-1,j]+(d[v-i+1]-d[v-i])*c[v-i+1,v+j]錛宖[1,i-1,j]+(d[v+j]-d[v-i])*c[v-i+1,v+j]}

f[1,I,j]=min{f[1,I,j-1]+(d[v+j]-d[v+j-1])*c[v-I,v+j-1]錛宖[0][I,j-1]+(d[v+j]-d[v-i])*c[v-I,v+j-1]}

鏈緇堢粨鏋滐細(xì) Result=min{f[0,v-1,n-v],f[1,v-1,n-v]}

  1: #include <stdio.h>
  2: #include <iostream>
  3: #define maxn 1010
  4: using namespace std;
  5: 
  6: int c[maxn][maxn];
  7: int sum[maxn][maxn];
  8: int d[maxn],w[maxn];
  9: int n,v;
 10: int f[maxn][maxn][2];
 11: 
 12: int main()
 13: {
 14:     freopen("power.in","r",stdin);
 15:     freopen("power.out","w",stdout);
 16:     
 17:     scanf("%d%d",&n,&v);
 18:     for (int i=1;i<=n;++i) scanf("%d%d",&d[i],&w[i]);
 19:     for (int i=1;i<=n;++i)
 20:         for (int j=i;j<=n;++j)
 21:             sum[i][j]=sum[i][j-1]+w[j];
 22:     for (int i=1;i<=n;++i)
 23:         for (int j=i;j<=n;++j)
 24:             c[i][j]=sum[1][n]-sum[i][j];
 25:     memset(f,63,sizeof(f));
 26:     f[0][0][0]=f[0][0][1]=0; //0left 1right
 27:     for (int i=1;i<=v-1;++i)
 28:     {
 29:         f[i][0][0]=f[i-1][0][0]+c[v-i+1][v]*(d[v-i+1]-d[v-i]);
 30:         f[i][0][1]=f[i][0][0]+c[v-i][v]*(d[v]-d[v-i]);
 31:     }
 32:     for (int j=1;j<=n-v;++j)
 33:     {
 34:         f[0][j][1]=f[0][j-1][1]+c[v][v+j-1]*(d[v+j]-d[v+j-1]);
 35:         f[0][j][0]=f[0][j][1]+c[v][v+j]*(d[v+j]-d[v]);
 36:     }
 37:     for (int i=1;i<=v-1;++i)
 38:         for (int j=1;j<=n-v;++j)
 39:         {
 40:             f[i][j][0]=min(f[i-1][j][0]+c[v-i+1][v+j]*(d[v-i+1]-d[v-i]),f[i-1][j][1]+c[v-i+1][v+j]*(d[v+j]-d[v-i]));
 41:             f[i][j][1]=min(f[i][j-1][1]+c[v-i][v+j-1]*(d[v+j]-d[v+j-1]),f[i][j-1][0]+c[v-i][v+j-1]*(d[v+j]-d[v-i]));
 42:         }
 43:     printf("%d\n",min(f[v-1][n-v][1],f[v-1][n-v][0]));
 44:     return 0;
 45: }
 46: 
 47: 


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