Submission #330650

#TimeUsernameProblemLanguageResultExecution timeMemory
330650egasSwapping Cities (APIO20_swap)C++14
0 / 100
515 ms36716 KiB
#include <bits/stdc++.h> using namespace std; map<int,set<int>> adj; multiset<int> ms; map<pair<int,int>,int> edwt; int SUBTASK1=0; bool isCyc=0; bool isSubtask1=true; bool isCycle(){ for(auto x:adj){ if(x.second.size()<=1)return false; if(x.second.size()>2)isSubtask1=false; } return true; } void init(int N, int M,std::vector<int> U, std::vector<int> V, std::vector<int> W) { for(int i=0;i<M;i++){ int x=U[i]; int y=V[i]; int z=W[i]; ms.insert(z); edwt[{min(x,y),max(x,y)}]=z; SUBTASK1=max(SUBTASK1,(W[i])); adj[x].insert(y); adj[y].insert(x); } isCyc=isCycle(); } int getMinimumFuelCapacity(int X, int Y) { return -1; // if(isSubtask1){ // if(isCyc){ // return SUBTASK1; // }else // return -1; // }else{ // if(1 or min(X,Y)==0){ // return -1; // } // int one = edwt[{0,X}]; // int two = edwt[{0,Y}]; // int res=one+two; // ms.erase(ms.find(one)); // ms.erase(ms.find(two)); // if(ms.size()>0) // res+=(*ms.begin()); // ms.insert(one); // ms.insert(two); // return res; // } }
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