UVA 10603 Fill 最短路
//#pragma comment(linker, "/STACK:1024000000,1024000000") #include<cstdio> #include<cstring> #include<cstdlib> #include<algorithm> #include<iostream> #include<sstream> #include<cmath> #include<climits> #include<string> #include<map> #include<queue> #include<vector> #include<stack> #include<set> using namespace std; typedef long long ll; typedef unsigned long long ull; typedef pair<int,int> pii; #define pb(a) push(a) #define INF 0x1f1f1f1f #define lson idx<<1,l,mid #define rson idx<<1|1,mid+1,r #define PI 3.1415926535898 template<class T> T min(const T& a,const T& b,const T& c) { return min(min(a,b),min(a,c)); } template<class T> T max(const T& a,const T& b,const T& c) { return max(max(a,b),max(a,c)); } void debug() { #ifdef ONLINE_JUDGE #else freopen("in.txt","r",stdin); //freopen("d:\\out1.txt","w",stdout); #endif } int getch() { int ch; while((ch=getchar())!=EOF) { if(ch!=' '&&ch!='\n')return ch; } return EOF; } struct HeapNode { int d,u; bool operator < (const HeapNode &ant) const { return d>ant.d; } }; struct Edge { int from,to; int dist; }; const int maxn=41005; struct Dijksta { int n; vector<int> g[maxn]; vector<Edge> edge; int done[maxn]; int d[maxn]; void init(int n) { this->n=n; for(int i=0;i<=n;i++) g[i].clear(); edge.clear(); } void add(int u,int v,int w) { Edge e=(Edge){u,v,w}; edge.push_back(e); g[u].push_back(edge.size()-1); } void solve(int s) { for(int i=0;i<=n;i++)d[i]=INF; memset(done,0,sizeof(done)); priority_queue<HeapNode> q; q.push((HeapNode){0,s}); d[s]=0; while(!q.empty()) { HeapNode x=q.top();q.pop(); if(done[x.u])continue; int u=x.u; done[u]=1; for(int i=0;i<g[u].size();i++) { Edge &e=edge[g[u][i]]; if(d[u]+e.dist<d[e.to]) { d[e.to]=d[u]+e.dist; q.push((HeapNode){d[e.to],e.to}); } } } } }; Dijksta solver; int d; int A[3],a[3]; int total; int id[205][205]; int vcnt; int ID(int a,int b) { int &x=id[a][b]; if(x==0)x=++vcnt; return x; } void pour(int i,int j) { int b[3]; memcpy(b,a,sizeof(a)); if(b[i]!=0&&b[i]+b[j]<=A[j]) { b[j]+=b[i]; b[i]=0; solver.add(ID(a[0],a[1]),ID(b[0],b[1]),a[i]); } memcpy(b,a,sizeof(a)); if(b[i]!=0&&b[i]+b[j]>A[j]) { b[i]=b[i]-(A[j]-b[j]); b[j]=A[j]; solver.add(ID(a[0],a[1]),ID(b[0],b[1]),A[j]-a[j]); } } void construct() { for(a[0]=0;a[0]<=A[0];a[0]++) for(a[1]=0;a[1]+a[0]<=total&&a[1]<=A[1];a[1]++) { a[2]=total-a[0]-a[1]; pour(0,1);pour(0,2); pour(1,0);pour(1,2); pour(2,0);pour(2,1); } } void find(int &ans1,int &ans2) { ans1=INF; for(ans2=d;ans2>=0;ans2--) { for(int a=0;a<=A[0];a++) { for(int b=0;b+a<=total&&b<=A[1];b++) { int c=total-a-b; if((solver.d[ID(a,b)]!=INF)&&(a==ans2||b==ans2||c==ans2)) { ans1=min(ans1,solver.d[ID(a,b)]); } } } if(ans1!=INF)return ; } } int main() { //freopen("in.txt","r",stdin); int t;scanf("%d",&t); for(int ca=1;ca<=t;ca++) { for(int i=0;i<3;i++)scanf("%d",&A[i]); scanf("%d",&d); total=A[2]; solver.init((A[0]+1)*(A[1]+1)); vcnt=0; memset(id,0,sizeof(id)); construct(); solver.solve(ID(0,0)); int ans1,ans2; find(ans1,ans2); printf("%d %d\n",ans1,ans2); } return 0; }