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Logu P1948 [Usaco08jan] telephone line telephone lines__ two points

Topic Description Farmer John wants to set up a telephone line at his farm. Unfortunately, the phone company are uncooperative, so him needs to pay for some of the cables required to connect his farm to the phone system. There are N (1≤n≤1,000) forlorn telephone poles conveniently numbered 1..N that are scattered around farmer John ' s pro Perty; No cables conne

P1948 [Usaco08jan] telephone line telephone Lines

Main topic: Years later, dumb-dumb grew up and became a telephone line planner. Because the earthquake caused a city's telephone line all damaged, stupid is responsible for receiving the epicenter of the city's head. The city is surrounded by N (1 The two end points of the first pair of Poles are ai,bi, and their dist

[Usaco08jan] Telephone line telephone Lines

Years later, dumb-dumb grew up and became a telephone line planner. Because the earthquake caused a city's telephone line all damaged, stupid is responsible for receiving the epicenter of the city's head. The city is surrounded by N (1The two end points of the first pair of Poles are ai,bi, and their distances are Li (

Bzoj 1705;poj 3612:[usaco2007 nov]telephone Wire Erection Telephone Line

DescriptionRecently, Farmer John's cows are increasingly dissatisfied with the mess in the bullpen. So, they asked FJ to replace those old phone lines with better-performing new phone lines. The new telephone line is set up on the existing N (2 Input* Line 1th: 2 integers separated by a space: N and C* 2nd. N+1 Line:

bzoj1614[usaco2007 jan]telephone Lines Erection Telephone Line *

; + } - BOOLINQ[MAXN];intD[maxn],n,m,k,ans; queueint>Q; + BOOLSPFA () { A while(!q.empty ()) Q.pop (); memset (INQ,0,sizeof(INQ)); Inc (I,1, N) d[i]=INF; atinq[1]=1; Q.push (1); d[1]=0; - while(!Q.empty ()) { - intX=q.front (); Q.pop (); inq[x]=0; - for(intI=G[X];I;I=ES[I].N)if(d[es[i].t]>d[x]+ES[I].W) { -D[ES[I].T]=D[X]+ES[I].W;if(!inq[es[i].t]) inq[es[i].t]=1, Q.push (es[i].t); - } in } - if(d[n]>k)return 0;Else return 1; to } + BOOLCheckintx) { -Inc

1614: [Usaco2007 jan]telephone lines Erection Telephone Line

0x7fffffffusing namespacestd;structdata{intTo,next,c;} e[20001];intn,p,k,cnt,head[1001],dis[1001],ans=-1;BOOLvis[1001];voidInsertintUintVintW) {CNT++;e[cnt].to=v;e[cnt].c=w;e[cnt].next=head[u];head[u]=CNT;}BOOLSPFA (intx) { intsum,u,v; Queueint>Q; Q.push (1); memset (DIS,127/3,sizeof(DIS)); dis[1]=0; while(!Q.empty ()) {u=q.front (); Q.pop (); vis[u]=0; for(intI=head[u];i;i=E[i].next) {v=e[i].to; if(e[i].c>x) sum=dis[u]+1; Elsesum=Dis[u]; if(dis[v]>sum) {Dis[v]=sum; if(!Vis[v]) {Vis[v]=1;

[bzoj1705] [Usaco2007 Nov] Telephone Wire Erection Telephone line

Normal DP..F[I][J] Represents the first I-pole, the minimum total cost of changing the height of the I pole to J. Set the original pole height to h[]f[i][j]=min{f[i-1][k]+c*|j-k|+ (J-h[i]) ^2, (K>=h[i-1],j>=h[i])}Directly on the words of Complexity is O (n*100*100) = =You can use two arrays to save the K (two arrays with different values of J): One is K>=j, the other is K1#include 2#include 3#include 4 using namespacestd;5 Const intmaxn=100023;6 intf[2][101],gpre[101],gaft[101],H[MAXN];7 inti,j,

Swun 1066-Telephone Line

Telephone LineTime limit (Common/Java): 3000 MS/3000 MS running memory limit: 65536 KbyteTotal submission: 38 tested: 13DescriptionFarmer John planned to direct the telephone line to his farm, but the telecommunications company did not plan to provide him with free services. Therefore, FJ must pay a certain fee to the telecommunications company.There are N (1 The

[Cogs] 147. [usaco jan08] Build a telephone line (Binary + spfa)

Http://cojs.tk/cogs/problem/problem.php? PID = 1, 147 I learned a new posture, orz. This question is a 1 ~ The maximum path of N is the smallest. Of course it is outside K. We can convert it. Evaluate the number of paths greater than a certain value. If the number is smaller than K, this must be a feasible solution. Because other edges are less than this value. (Of course, the price is required here) When finding this path, we must satisfy this path to be the smallest side than this value. Of co

Frequent disconnection caused by ADSL telephone line Interference (1)

The network is often dropped, and many technical staff think it is caused by unstable vrouters. This is not the case. Sometimes, improper setup of a small part of the Network may affect the network stability. The following is an enterprise network administrator who explains his experience in solving network disconnection: A small network company in Guangzhou uses an ALPHA G3 router for commercial Internet access. The company proposed that during use, all computers in the LAN would lose 5 or 6 ti

Bzoj 3045 Telephone Line violence

Idea: The problem is too long, and very simple, this will not say.Idea: Originally think of T, write the suffix array, or add heap optimization What, the result is directly a.CODE:#include Bzoj 3045 Telephone Line violence

National Bank account name query database, including line number, telephone, address,

Recently in a new project and the bank has an interface, the transfer needs to provide the bank name and line number, but the cooperative banks do not have the National Bank Bank name and line number data. (Say no, who believe Ah, is not willing to give, I find the province and head office results are the same as said no ... These bureaucrats.So I had to solve this problem by myself. All banks in the countr

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