Submission #44538

#	Time	Username	Problem	Language	Result	Execution time	Memory
44538		vatsalsharma376	Sightseeing (NOI14_sightseeing)	C++14	15 / 25	46 ms	6144 KiB

sightseeing

#include <bits/stdc++.h>
using namespace std;
 
#define pb  push_back
#define mp  make_pair
#define ll  long long
#define int long long
#define F   first
#define S   second
#define itr ::iterator 
 
typedef pair<int,int> pii;
 
const int MAX=1e5+99;

vector<pii> vec[MAX];

int V,E,Q,X,Y,Z,res[MAX];

void dijkstra()
{
	pii cur;
	priority_queue<pii> pq;
	pq.push(mp(MAX,1));
	res[1]=MAX;
	while(! pq.empty())
	{
		cur=pq.top();
		pq.pop();
		if(cur.first < res[cur.second])
		continue;
		for(auto A:vec[cur.second])
		if(min(cur.first,A.second)>res[A.first])
		{
			res[A.first]=min(cur.first,A.second);
			pq.push(mp(res[A.first],A.first));
		}
	}
	return ;
}

signed main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	
	cin>>V>>E>>Q;
	while(E--)
	{
		cin>>X>>Y>>Z;
		vec[X].pb(mp(Y,Z));
		vec[Y].pb(mp(X,Z));
	}
	dijkstra();
	while(Q--)
	{
		cin>>X;
		cout<<res[X]<<"\n";
	}
    return 0;
}

• Subtask 1: 4 / 4
• Subtask 2: 5 / 5
• Subtask 3: 6 / 6
• Subtask 4: 0 / 10