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- #include<bits/stdc++.h>
- using namespace std;
- #define int long long
- typedef struct del{
- int position,totalpath,id;
- vector<int> path;
- }del;
- map<int,del> mission,drop;
- vector<int> traffic(101);
- vector<vector<int>> path2(101);
- int gp[100][100],v,e,n;
- //gp[x][y],x<y表xy距離,x>y表xy空間,x=y表點x外送員數量,v vertex,e edge,n deliver
- struct cmp{
- bool operator()(const del &_,const del &__){
- //return a.first>b.first || ( (a.first<b.first) && (a.second>b.second));
- return (_.totalpath==__.totalpath)? ((_.position==__.position)? _.path.size()>=__.path.size():_.position>__.position):_.totalpath>__.totalpath;
- }
- };
- void setgp(int t1,int t2,int t3,int t4){
- if(t1>t2){
- gp[t1][t2]=t4;
- gp[t2][t1]=t3;
- }else if(t1<t2){
- gp[t1][t2]=t3;
- gp[t2][t1]=t4;
- }
- }
- int gpdistance(int x,int y){
- return x<y? gp[x-1][y-1]:gp[y-1][x-1];
- }
- int gpspace(int x,int y){
- return x>y? gp[x-1][y-1]:gp[y-1][x-1];
- }
- void gpspace(int x,int y,int change){
- x>y? gp[x-1][y-1]+=change:gp[y-1][x-1]+=change;
- }
- int gpdeliever(int x){
- return gp[x-1][x-1];
- }
- void gpdeliever(int x,int change){
- gp[x-1][x-1]+=change;
- }
- void Order(){
- int id,des,tspace,dis;
- cin>>id>>des>>tspace;
- traffic[id]=tspace;
- if(gpdeliever(des)>0){
- gpdeliever(des,-1);
- del ans;
- ans.id=id;
- ans.position=des;
- ans.path.emplace_back(des);
- ans.totalpath=0;
- mission.emplace(id,ans);
- cout<<"Order "<<id<<" from: "<<des<<'\n';
- return;
- }
- bool vis[101]={};
- del temp,now,ans;
- ans.totalpath=LLONG_MAX;
- ans.position=-1;
- temp.id=id;
- temp.path.emplace_back(des);
- temp.position=des;
- temp.totalpath=0;
- priority_queue<del,vector<del>,cmp> pq;
- pq.emplace(temp);
- while(!pq.empty()){
- now=pq.top();
- pq.pop();
- if(vis[now.position]) continue;
- vis[now.position]=true;
- for(int i=1;i<=v;i++) if(!vis[i]&&gpspace(i,now.position)>=tspace){
- dis=gpdistance(i,now.position);
- if(dis>=0){
- temp.id=id;
- temp.path=now.path;
- temp.path.emplace_back(i);
- temp.totalpath=now.totalpath+dis;
- temp.position=i;
- pq.emplace(temp);
- if(ans.totalpath>temp.totalpath&&gpdeliever(temp.position)>0) ans=temp;
- }
- }
- }
- if(ans.position!=-1){
- cout<<"Order "<<id<<" from: "<<ans.position<<'\n';
- gpdeliever(ans.position,-1);
- if(ans.path.size()>1){
- int tt=ans.path[0];
- for(int i=1;i<ans.path.size();i++){
- gpspace(tt,ans.path[i],(-tspace));
- tt=ans.path[i];
- }
- }
- ans.position=des;
- mission.emplace(id,ans);
- }else{
- cout<<"Just walk. T-T\n";
- }
- }
- void Drop(){
- int id,des,dis;
- cin>>id>>des;
- int tspace=traffic[id];
- del now,temp=mission.find(id)->second,ans;
- if(temp.path.size()>1){
- int tt=temp.path[0];
- for(int i=1;i<temp.path.size();i++){
- gpspace(tt,temp.path[i],tspace);
- tt=temp.path[i];
- }
- }
- temp.path.clear();
- if(temp.position==des){
- cout<<"Order "<<temp.id<<" distance: "<<temp.totalpath<<'\n';
- vector<int> path;
- path.emplace_back(temp.position);
- path2[id]=path;
- return;
- }
- ans.totalpath=LLONG_MAX;
- ans.position=-1;
- bool vis[101]={};
- priority_queue<del,vector<del>,cmp> pq;
- temp.path.emplace_back(temp.position);
- pq.emplace(temp);
- while(!pq.empty()){
- now=pq.top();
- pq.pop();
- if(vis[now.position]) continue;
- vis[now.position]=true;
- for(int i=1;i<=v;i++) if(!vis[i]&&gpspace(i,now.position)>=tspace){
- dis=gpdistance(i,now.position);
- if(dis>=0){
- temp.id=id;
- temp.path=now.path;
- temp.path.emplace_back(i);
- temp.totalpath=now.totalpath+dis;
- temp.position=i;
- pq.emplace(temp);
- if(ans.totalpath>temp.totalpath&&des==temp.position) ans=temp;
- }
- }
- }
- if(ans.position!=-1){
- cout<<"Order "<<id<<" distance: "<<ans.totalpath<<'\n';
- path2[id]=ans.path;
- if(ans.path.size()>1){
- int tt=ans.path[0];
- for(int i=1;i<ans.path.size();i++){
- gpspace(ans.path[i],tt,(-tspace));
- tt=ans.path[i];
- }
- }
- }else{
- cout<<"No Way Home\n";
- ans=mission.find(id)->second;
- ans.path.clear();
- ans.path.emplace_back(des);
- drop.emplace(id,ans);
- }
- }
- void Complete(){
- int id;
- cin>>id;
- if(path2[id].size()){
- if(path2[id].size()>1){
- int tt=path2[id][0];
- for(int i=1;i<path2[id].size();i++){
- gpspace(tt,path2[id][i],traffic[id]);
- tt=path2[id][i];
- }
- }
- gpdeliever(path2[id].back(),1);
- path2[id].clear();
- }
- vector<int> waitforerase;
- for(auto i:drop){
- id=i.first;
- int tspace=traffic[id],des=i.second.path[0],dis;
- bool vis[101]={};
- del temp,now,ans;
- ans.totalpath=LLONG_MAX;
- ans.position=-1;
- temp=i.second;
- temp.path.clear();
- temp.path.emplace_back(temp.position);
- priority_queue<del,vector<del>,cmp> pq;
- pq.emplace(temp);
- while(!pq.empty()){
- now=pq.top();
- pq.pop();
- if(vis[now.position]) continue;
- vis[now.position]=true;
- for(int i=1;i<=v;i++) if(!vis[i]&&gpspace(i,now.position)>=tspace){
- dis=gpdistance(i,now.position);
- if(dis>=0){
- temp.id=id;
- temp.path=now.path;
- temp.path.emplace_back(i);
- temp.totalpath=now.totalpath+dis;
- temp.position=i;
- pq.emplace(temp);
- if(ans.totalpath>temp.totalpath&&des==temp.position) ans=temp;
- }
- }
- }
- if(ans.position!=-1){
- cout<<"Order "<<id<<" distance: "<<ans.totalpath<<'\n';
- if(ans.path.size()>1){
- int tt=ans.path[0];
- for(int i=1;i<ans.path.size();i++){
- gpspace(tt,ans.path[i],(-tspace));
- tt=ans.path[i];
- }
- }
- waitforerase.emplace_back(id);
- }
- }
- for(int i:waitforerase){
- drop.erase(i);
- }
- }
- #undef int long long
- int main(){
- long long t,t1,t2,t3,t4;
- string s;
- cin>>v>>e>>n;
- for(int i=0;i<v;i++) for(int j=0;j<v;j++) gp[i][j]=-1;
- for(int i=0;i<v;i++) gp[i][i]=0;
- for(int i=0;i<n;i++){
- cin>>s>>t1>>t2;
- gp[t1-1][t1-1]=t2;
- }
- for(int i=0;i<e;i++){
- cin>>s>>t1>>t2>>t3>>t4;
- setgp(t1-1,t2-1,t3,t4);
- }
- cin>>t;
- while(t--){
- cin>>s;
- if(s=="Order"){
- Order();
- }else if(s=="Drop"){
- Drop();
- }else if(s=="Complete"){
- Complete();
- }
- }
- return 0;
- }
- /*
- CS2351_DS_24Spring_HW4
- https://acm.cs.nthu.edu.tw/contest/3002/
- NTHU OJ 14311 - Spider-Man’s Delivery Service: Project Dijkstra
- AC code
- 2024 May 19
- 其實這個是透過測資缺陷通過的,用struct cmp的複雜規則剛好湊到答案的,但是我AC了所以沒人在乎
- */
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