Submission #330240

#	Time	Username	Problem	Language	Result	Execution time	Memory
330240		egas	Swapping Cities (APIO20_swap)	C++14	6 / 100	340 ms	29268 KiB

swap

#include <bits/stdc++.h>
using namespace std;
map<int,set<int>> adj;
int SUBTASK1=0;
bool isCyc=0;
bool isCycle(){
	for(auto x:adj){
		if(x.second.size()<=1)return 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];
		SUBTASK1=max(SUBTASK1,(W[i]));
		adj[x].insert(y);
		adj[y].insert(x);
	}
	isCyc=isCycle();
}

// void dfs(int src,int dest,mii &visit,int &res1,bool &found){
	// visit[src]=1;
	// if(src==dest){
		// found=1;
		// return ;
	// }
	// if(found)return ;
	// for(int x:adj[src]){
		// if(!visit[x]){
			// res1=max(res1,edwt[{src,x}]);
			// wts.erase(wts.find(edwt[{src,x}]));
			// dfs(x,dest,visit,res1,found);
			// if(found)return ;
		// }
	// }
// }

int getMinimumFuelCapacity(int X, int Y) {
	if(isCyc){
		return SUBTASK1;
	}else
		return -1;
}

Compilation message (stderr)

swap.cpp: In function 'void init(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
swap.cpp:16:7: warning: unused variable 'z' [-Wunused-variable]
   16 |   int z=W[i];
      |       ^

• Subtask 1: 6 / 6
• Subtask 2: 0 / 7
• Subtask 3: 0 / 17
• Subtask 4: 0 / 20
• Subtask 5: 0 / 23
• Subtask 6: 0 / 27