锘??xml version="1.0" encoding="utf-8" standalone="yes"?>久久精品免费电影,欧美一级日韩一级,欧美亚州韩日在线看免费版国语版http://www.shnenglu.com/Barracuda/ACM/ICPC zh-cnThu, 04 Dec 2025 09:21:12 GMTThu, 04 Dec 2025 09:21:12 GMT60涓澶х墰鐨?緗戠粶鏈澶ф祦 紼嬪簭錛圥OJ 1273 錛?/title><link>http://www.shnenglu.com/Barracuda/archive/2007/03/28/20793.html</link><dc:creator>Barracuda</dc:creator><author>Barracuda</author><pubDate>Wed, 28 Mar 2007 10:52:00 GMT</pubDate><guid>http://www.shnenglu.com/Barracuda/archive/2007/03/28/20793.html</guid><wfw:comment>http://www.shnenglu.com/Barracuda/comments/20793.html</wfw:comment><comments>http://www.shnenglu.com/Barracuda/archive/2007/03/28/20793.html#Feedback</comments><slash:comments>6</slash:comments><wfw:commentRss>http://www.shnenglu.com/Barracuda/comments/commentRss/20793.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/Barracuda/services/trackbacks/20793.html</trackback:ping><description><![CDATA[ <p>鍜岃嚜宸辯殑姣旇搗鏉ワ紝鎰熻澶х墰鐨勪唬鐮佽綺炬?zhèn)嶇殑澶氬晩銆?br />浠g爜濡備笅錛?br />#include <stdio.h><br />#include <string.h><br />#define maxn 250<br />struct Map<br />{<br />聽(tīng)int f;<br />聽(tīng)int c;<br />}map[maxn][maxn];<br />int pre[maxn];<br />int q[maxn*maxn];<br />int v[maxn];<br />int N,M;<br />int s,t;<br />int abs( int x ){ return x > 0 ? x : -x ; }<br />int min( int x, int y ){ return聽(tīng) x < y ? x : y; }<br />void init()<br />{<br />聽(tīng)int i, S, E, C;<br />聽(tīng)memset( map, 0, sizeof(map) );<br />聽(tīng)for(i=0;i<N;i++)<br />聽(tīng){<br />聽(tīng)聽(tīng)scanf( "%d%d%d", &S, &E, &C );<br />聽(tīng)聽(tīng)map[S][E].c += C;<br />聽(tīng)}聽(tīng)<br />}<br />void solve()<br />{<br />聽(tīng)int i,j;<br />聽(tīng)int head,tail;<br />聽(tīng)s = 1;<br />聽(tīng)t = M;<br />聽(tīng)while(true)<br />聽(tīng){<br />聽(tīng)聽(tīng)memset( pre, 0, sizeof(pre) );<br />聽(tīng)聽(tīng)head = 0, tail = 1;<br />聽(tīng)聽(tīng)q[0] = s;<br />聽(tīng)聽(tīng)v[s] = 1000000000;<br />聽(tīng)聽(tīng)pre[s] = s;<br />聽(tīng)聽(tīng)while( head < tail && pre[t] == 0 )<br />聽(tīng)聽(tīng){<br />聽(tīng)聽(tīng)聽(tīng)i = q[head];<br />聽(tīng)聽(tīng)聽(tīng)for( j = 1; j <= M; j++ )<br />聽(tīng)聽(tīng)聽(tīng){<br />聽(tīng)聽(tīng)聽(tīng)聽(tīng)if( pre[j] == 0 )<br />聽(tīng)聽(tīng)聽(tīng)聽(tīng){<br />聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)if( map[i][j].f < map[i][j].c )<br />聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)pre[j] = i , q[tail++] = j , v[j] = min( v[i], map[i][j].c-map[i][j].f );<br />聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)else if( map[j][i].f > 0 )<br />聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)pre[j] = -i, q[tail++] = j , v[j] = min( v[i], map[j][i].f );<br />聽(tīng)聽(tīng)聽(tīng)聽(tīng)}<br />聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) }<br />聽(tīng)聽(tīng)聽(tīng)head++;<br />聽(tīng)聽(tīng)}<br />聽(tīng)聽(tīng)if( pre[t] == 0 )break;</p> <p>聽(tīng)聽(tīng)i = t;<br />聽(tīng)聽(tīng)while( i != s )<br />聽(tīng)聽(tīng){<br />聽(tīng)聽(tīng)聽(tīng)j = abs( pre[i] );<br />聽(tīng)聽(tīng)聽(tīng)if( pre[i] > 0 )map[j][i].f += v[t];<br />聽(tīng)聽(tīng)聽(tīng)else map[i][j].f -= v[t];<br />聽(tīng)聽(tīng)聽(tīng)i = j;<br />聽(tīng)聽(tīng)}<br />聽(tīng)}<br />聽(tīng)int ans = 0;<br />聽(tīng)for( i = 1; i <= M; i++ )ans += map[s][i].f;<br />聽(tīng)printf("%d\n",ans);<br />}<br />int main()<br />{<br />聽(tīng)while(scanf("%d%d",&N,&M)!=EOF)<br />聽(tīng){<br />聽(tīng)聽(tīng)init();<br />聽(tīng)聽(tīng)solve();<br />聽(tīng)}<br />聽(tīng)return 0;<br />}<br /></p> <img src ="http://www.shnenglu.com/Barracuda/aggbug/20793.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.shnenglu.com/Barracuda/" target="_blank">Barracuda</a> 2007-03-28 18:52 <a href="http://www.shnenglu.com/Barracuda/archive/2007/03/28/20793.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>PKU 1273 絎竴嬈″啓緗戠粶鏈澶ф祦錛屽眳鐒禔C浜?/title><link>http://www.shnenglu.com/Barracuda/archive/2007/03/22/20362.html</link><dc:creator>Barracuda</dc:creator><author>Barracuda</author><pubDate>Thu, 22 Mar 2007 07:18:00 GMT</pubDate><guid>http://www.shnenglu.com/Barracuda/archive/2007/03/22/20362.html</guid><wfw:comment>http://www.shnenglu.com/Barracuda/comments/20362.html</wfw:comment><comments>http://www.shnenglu.com/Barracuda/archive/2007/03/22/20362.html#Feedback</comments><slash:comments>8</slash:comments><wfw:commentRss>http://www.shnenglu.com/Barracuda/comments/commentRss/20362.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/Barracuda/services/trackbacks/20362.html</trackback:ping><description><![CDATA[<p>絎竴嬈″啓緗戠粶鏈澶ф祦綆楁硶錛屽眳鐒跺仛瀵逛簡(jiǎn)銆?br>璇ョ畻娉曡鐢ㄥ埌 Dijkstra 綆楁硶銆?br>姣忔鐢―ijkstra綆楁硶姹傜殑涓鏉″彲閫氳繃鐨勮礬鍚庯紝鎵懼嚭璇ヨ礬涓婇潰鐨勬渶灝忕殑鏉冨?MIN錛岀劧鍚庡皢璇ヨ礬寰勪笂鐨勬瘡鏉¤竟鐨勬潈鍊?鍑忓幓 MIN 錛屽弽鏂瑰悜鐨勬潈鍊煎姞 MIN 錛?渚嬪錛歟( v1, v2 ) 鏄礬寰勪笂闈㈢殑涓鏉¤竟錛屽垯Map[v1][v2] -= MIN, Map[v2][v1] += MIN ). 绱MIN錛?鍏舵渶鍚庣殑鍊煎氨鏄墍瑕佹眰鐨勬渶澶ф祦銆?br>褰撴渶鍚?鍦ㄥ浘涓壘涓嶅埌榪炴帴 1, n 涓ょ偣鐨勮礬寰勬椂錛岀畻娉曞畬姣曘?br><br>//2019083 whitesea 1273 Accepted 224K 15MS C++ 1880B 2007-03-22 14:56:03 <br>// PKU 1273 緗戠粶鏈澶ф祦 <br><a >http://acm.pku.edu.cn/JudgeOnline/problem?id=1273<br><br></a>#include<stdio.h><br>#include<string.h><br>#define MAX 210<br>int Map[MAX][MAX];<br>int n, M, SUM, Path[MAX], distance[MAX], Min;<br>int IN(){<br>    int i, x, y, d;<br>    if( scanf( "%d %d", &M, &n ) == EOF )return 0;  // M 鏄?杈圭殑鏁扮洰錛?n 鏄偣鐨勬暟鐩?br>    memset( Map, 0, sizeof( Map ) );<br>    for( i = 1; i <= M; i++ ){<br>        scanf( "%d %d %d", &x, &y, &d );   // 鐐箈 鍒扮偣y嫻侀噺涓?d <br>        Map[x][y] += d;<br>    }<br>    return 1;<br>}<br>void Dijkstra(){<br>    int mindis, i, j, u, s[MAX];<br>    for( i = 1; i <= n; i++ ){<br>        distance[i] = Map[1][i];<br>        s[i] = 0;<br>        <br>        if( i != 1 && distance[i] > 0 )Path[i] = 1;<br>        else Path[i] = -1;<br>    }<br>    s[1] = 1;<br>    for( i = 2; i <= n; i++ ){<br>        mindis = 0;<br>        for( j = 1; j <= n; j++ ){<br>            if( s[j] == 0 && distance[j] > mindis ){<br>                u = j;<br>                mindis = distance[j];<br>            }<br>        }<br>        if( mindis == 0 )return;<br>        s[u] = 1;<br>        for( j = 1; j <= n; j++ ){<br>            if( s[j] == 0 && Map[u][j] > 0 && distance[u] + Map[u][j] > distance[j] ){<br>                distance[j] = distance[u] + Map[u][j];<br>                Path[j] = u;<br>            }<br>        }<br>    }<br>}</p> <p>void Find(){<br>    int s, t;<br>    Min = 2000000000;<br>    s = n;<br>    t = Path[n];<br>    while( t != -1 ){<br>        if( Map[t][s] < Min )Min = Map[t][s];<br>        s = t;<br>        t = Path[t];<br>    }<br>}</p> <p>void Change(){<br>    int s, t;<br>    s = n;<br>    t = Path[n];<br>    while( t != -1 ){<br>        Map[t][s] -= Min;<br>        Map[s][t] += Min;<br>        s = t;<br>        t = Path[t];<br>    }<br>}</p> <p>void SOLVE(){<br>    int i, j, k;<br>    SUM = 0;<br>    while( 1 ){<br>        Dijkstra();<br>        if( Path[n] == -1 )return;<br>        Find();<br>        SUM += Min;<br>        Change();<br>    }<br>}</p> <p>void OUT(){<br>    printf( "%d\n", SUM );<br>}</p> <p>int main(){<br>    while( IN() ){<br>        <br>        SOLVE();<br>        OUT();<br>    }<br>    return 0;<br>}<br></p> <img src ="http://www.shnenglu.com/Barracuda/aggbug/20362.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.shnenglu.com/Barracuda/" target="_blank">Barracuda</a> 2007-03-22 15:18 <a href="http://www.shnenglu.com/Barracuda/archive/2007/03/22/20362.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title> 鍋歅KU鍋欰CM 婊?00棰樼邯蹇靛笘http://www.shnenglu.com/Barracuda/archive/2007/03/17/20025.htmlBarracudaBarracudaSat, 17 Mar 2007 09:34:00 GMThttp://www.shnenglu.com/Barracuda/archive/2007/03/17/20025.htmlhttp://www.shnenglu.com/Barracuda/comments/20025.htmlhttp://www.shnenglu.com/Barracuda/archive/2007/03/17/20025.html#Feedback1http://www.shnenglu.com/Barracuda/comments/commentRss/20025.htmlhttp://www.shnenglu.com/Barracuda/services/trackbacks/20025.html聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) 鍋欰CM 宸茬粡鏈夊揩涓騫翠簡(jiǎn)錛岀粓浜庡湪PKU鍋氭弧200棰橈紝 鍙戝笘綰康涓嬶紝榧撳姳鑷繁鍐嶆帴鍐嶅帀銆傝繖涓騫村彂鐢熺殑鍙樺寲榪樼湡澶у晩錛屼竴涓嶅皬蹇?jī)浠庝竴涓柊鐢熷彉鎴愪簡(jiǎn)鑰佺敓錛屼粠涓涓柊鎵嬪彉鎴愪簡(jiǎn)鑰侀槦鍛樸傛兂璧鋒潵榪欎竴騫存潵錛屾劅瑙夋敹鑾瘋繕鏄緢澶х殑銆傚湪榪欓噷鎴戣鐗瑰埆鎰熻阿XC聽(tīng)聽(tīng) Azg聽(tīng) Taney聽(tīng) Stone CB聽(tīng) ,浠栦滑緇欎簡(jiǎn)鎴戝府鍔╀笌榧撳姳錛屼篃瑕佹劅璋㈡垜鐨勯槦鍙婰vyun Hailer錛屼粬浠粰浜?jiǎn)鎴戝緢澶氱殑甯姪銆傚湪鍋欰CM 榪欎釜鏂歸潰錛屾垜浠鏍′竴鐩村緢宸紝鍦?6~07鐨勫叏鍥戒笁涓禌鍖洪兘鎺鴻觸鑰屽綊銆傜幇鍦ㄦ垜寰楀姫鍔涳紝鎴戠殑闃熷弸寰楀姫鍔涳紝CUG 鐨凙CMER 閮藉緱鍔姏銆傝鎴戜滑鏉ユ妸CUG 鐨凙CM 鍋氬ソ錛?鍔姏鍚э紝鍔犳補(bǔ)鍚э紒



Barracuda 2007-03-17 17:34 鍙戣〃璇勮
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