锘??xml version="1.0" encoding="utf-8" standalone="yes"?>久久天天躁狠狠躁夜夜不卡,伊人久久免费视频,久久久久久久综合综合狠狠http://www.shnenglu.com/gzwzm06/category/8687.htmlzh-cnTue, 24 Mar 2009 10:40:34 GMTTue, 24 Mar 2009 10:40:34 GMT60- POJ 3662--Telephone Lines(浜屽垎鏋氫婦 + Dij)http://www.shnenglu.com/gzwzm06/articles/77229.html宸?/dc:creator>宸?/author>Thu, 19 Mar 2009 13:00:00 GMThttp://www.shnenglu.com/gzwzm06/articles/77229.htmlhttp://www.shnenglu.com/gzwzm06/comments/77229.htmlhttp://www.shnenglu.com/gzwzm06/articles/77229.html#Feedback0http://www.shnenglu.com/gzwzm06/comments/commentRss/77229.htmlhttp://www.shnenglu.com/gzwzm06/services/trackbacks/77229.html闃呰鍏ㄦ枃

]]> - POJ 3268(鏈鐭礬寰?SPFA)http://www.shnenglu.com/gzwzm06/articles/67375.html宸?/dc:creator>宸?/author>Thu, 20 Nov 2008 05:03:00 GMThttp://www.shnenglu.com/gzwzm06/articles/67375.htmlhttp://www.shnenglu.com/gzwzm06/comments/67375.htmlhttp://www.shnenglu.com/gzwzm06/articles/67375.html#Feedback0http://www.shnenglu.com/gzwzm06/comments/commentRss/67375.htmlhttp://www.shnenglu.com/gzwzm06/services/trackbacks/67375.html闃呰鍏ㄦ枃

]]> - POJ 1511(SPFA)http://www.shnenglu.com/gzwzm06/articles/67340.html宸?/dc:creator>宸?/author>Wed, 19 Nov 2008 15:46:00 GMThttp://www.shnenglu.com/gzwzm06/articles/67340.htmlhttp://www.shnenglu.com/gzwzm06/comments/67340.htmlhttp://www.shnenglu.com/gzwzm06/articles/67340.html#Feedback0http://www.shnenglu.com/gzwzm06/comments/commentRss/67340.htmlhttp://www.shnenglu.com/gzwzm06/services/trackbacks/67340.html闃呰鍏ㄦ枃

]]> - POJ 1511(Dij + Heap)http://www.shnenglu.com/gzwzm06/articles/67337.html宸?/dc:creator>宸?/author>Wed, 19 Nov 2008 15:18:00 GMThttp://www.shnenglu.com/gzwzm06/articles/67337.htmlhttp://www.shnenglu.com/gzwzm06/comments/67337.htmlhttp://www.shnenglu.com/gzwzm06/articles/67337.html#Feedback0http://www.shnenglu.com/gzwzm06/comments/commentRss/67337.htmlhttp://www.shnenglu.com/gzwzm06/services/trackbacks/67337.html闃呰鍏ㄦ枃

]]> - POJ 1094(綆鍗曠殑鎷撴墤鎺掑簭)http://www.shnenglu.com/gzwzm06/articles/66838.html宸?/dc:creator>宸?/author>Thu, 13 Nov 2008 09:39:00 GMThttp://www.shnenglu.com/gzwzm06/articles/66838.htmlhttp://www.shnenglu.com/gzwzm06/comments/66838.htmlhttp://www.shnenglu.com/gzwzm06/articles/66838.html#Feedback0http://www.shnenglu.com/gzwzm06/comments/commentRss/66838.htmlhttp://www.shnenglu.com/gzwzm06/services/trackbacks/66838.html 1 #include <cstdio>
2 #include <memory>
3 const int MAXN = 27 ;
4 const int SIZE = 501 ;
5
6 struct NODE
7 {
8 int ID ;
9 NODE *next ;
10 };
11
12 NODE edge[MAXN] , g_Temp[SIZE] ;
13 int g_Pos ;
14
15 int num , n , gm ;
16 int degree[MAXN] ;
17 char seq[MAXN] ;
18 bool visited[MAXN] ;
19
20 //鎷撴墤鎺掑簭
21 int TopSort(const int& NodeNum)
22 {
23 int Stack[MAXN] , top = -1 , i , flag , temp[MAXN] ;
24 NODE *ptr = NULL ;
25
26 flag = -2 ;
27 gm = 0 ;
28 //鍏堟壘鍑哄垵濮嬬姸鎬佷笅鍏ュ害涓?鐨勭偣
29 //濡傛灉鏈夊涓偣鍒欐爣蹇椾負(fù)-1
30 for ( i = 0 ; i < MAXN ; ++i )
31 {
32 temp[i] = degree[i] ;
33 if ( degree[i] == 0 && visited[i])
34 {
35 Stack[++top] = i ;
36 if ( top > 0 )
37 flag = -1 ;
38 }
39 }
40 //璁板綍搴忓垪錛屽茍鍒ゆ柇鏄惁鏈夊涓В瀛樺湪
41 while ( top != -1 )
42 {
43 seq[gm++] = (char)(Stack[top] + 'A') ;
44 ptr = edge[Stack[top--]].next ;
45
46 while (ptr)
47 {
48 temp[ptr->ID]-- ;
49
50 if ( temp[ptr->ID] == 0 )
51 {
52 Stack[++top] = ptr->ID ;
53 if ( top > 0 ){
54 flag = -1 ;
55 }
56 }
57
58 ptr = ptr->next ;
59 }
60 }
61 //濡傛灉鏈夌幆瀛樺湪錛屽垯榪斿洖0
62 if ( gm < NodeNum )
63 return 0 ;
64 //濡傛灉鑳界‘瀹氬簭鍒楋紝鍒欒繑鍥?
65 if ( gm == num && flag != -1 )
66 flag = 1 ;
67
68 return flag ;
69 }
70
71 void Insert( const int& x , const int& y )
72 {
73 NODE *tmp = &g_Temp[g_Pos++] ;
74 tmp->ID = y ;
75 tmp->next = edge[x].next ;
76 edge[x].next = tmp ;
77 }
78
79 void Init()
80 {
81 int i ;
82 for ( i = 0 ; i < MAXN ; ++i )
83 {
84 degree[i] = 0 ;
85 visited[i] = false ;
86 edge[i].next = NULL ;
87 }
88
89 g_Pos = 0 ;
90 gm = 0 ;
91 }
92 int main()
93 {
94 // freopen("in", "r", stdin ) ;
95 char inStr[5];
96 int i , ia , ic , cnt , flag , ans ;
97 bool circle ; //鏍囧織鏄惁鏈夌幆
98
99 while ( 1 )
100 {
101 scanf("%d %d", &num, &n) ;
102 if ( num == 0 || n == 0 )
103 break ;
104
105 Init() ;
106 cnt = 0 ;
107 ans = 1000 ; //鐢變簬娌℃湁杈撳叆榪囩▼涓緭鍑虹瓟妗堬紝鎵浠ラ渶瑕佸姞浜涙爣璁?/span>
108 flag = -2 ;
109 circle = false ;
110 for ( i = 1 ; i <= n ; ++i )
111 {
112 scanf("%s", &inStr) ;
113
114 ia = inStr[0] - 'A' , ic = inStr[2] - 'A' ;
115
116 degree[ic]++ ;
117
118 if ( !visited[ia] ){
119 visited[ia] = true ;
120 cnt++ ;
121 }
122 if ( !visited[ic] ){
123 visited[ic] = true ;
124 cnt++ ;
125 }
126
127 Insert( ia, ic ) ;
128
129 if ( flag != 1 )
130 {
131 flag = TopSort( cnt ) ;
132 if ( flag == 0 && ans > i )
133 {
134 ans = i ;
135 circle = true ;
136 }
137 else if ( flag == 1 )
138 {
139 ans = i ;
140 }
141 }
142 }
143 //鍏堢‘瀹氭湁瑙?/span>
144 if ( flag == 1 )
145 {
146 seq[gm] = 0 ;
147 printf("Sorted sequence determined after %d relations: %s.\n", ans, seq) ;
148 }
149 else if ( circle )//鍦ㄧ‘瀹氭湁鐜?/span>
150 {
151 printf("Inconsistency found after %d relations.\n", ans) ;
152 }
153 else {
154 printf("Sorted sequence cannot be determined.\n") ;
155 }
156
157 }
158 return 0 ;
159 }
160

]]> - Pku 2226--Muddy Fieldshttp://www.shnenglu.com/gzwzm06/articles/65644.html宸?/dc:creator>宸?/author>Fri, 31 Oct 2008 13:29:00 GMThttp://www.shnenglu.com/gzwzm06/articles/65644.htmlhttp://www.shnenglu.com/gzwzm06/comments/65644.htmlhttp://www.shnenglu.com/gzwzm06/articles/65644.html#Feedback0http://www.shnenglu.com/gzwzm06/comments/commentRss/65644.htmlhttp://www.shnenglu.com/gzwzm06/services/trackbacks/65644.html闃呰鍏ㄦ枃

]]> - Pku 3678--Katu Puzzlehttp://www.shnenglu.com/gzwzm06/articles/65594.html宸?/dc:creator>宸?/author>Thu, 30 Oct 2008 15:26:00 GMThttp://www.shnenglu.com/gzwzm06/articles/65594.htmlhttp://www.shnenglu.com/gzwzm06/comments/65594.htmlhttp://www.shnenglu.com/gzwzm06/articles/65594.html#Feedback0http://www.shnenglu.com/gzwzm06/comments/commentRss/65594.htmlhttp://www.shnenglu.com/gzwzm06/services/trackbacks/65594.html闃呰鍏ㄦ枃

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