Submission #917781

#	Time	Username	Problem	Language	Result	Execution time	Memory
917781		XXBabaProBerkay	사이버랜드 (APIO23_cyberland)	C++17	Compilation error	0 ms	0 KiB

cyberland

#include <bits/stdc++.h>
using namespace std;
 
#define F first
#define S second
 
using ll = long long;
 
double solve(int N, int M, int K, int H, vector<int> x, vector<int> y, vector<int> c, vector<int> arr)
{
	vector<vector<pair<int, ll>>> adj(N);
	for (int i = 0; i < M; i++)
	{
		adj[x[i]].emplace_back(y[i], c[i]);
		adj[y[i]].emplace_back(x[i], c[i]);
	}
 
	priority_queue<pair<ll, int>, vector<pair<ll, int>>, greater<pair<ll, int>>> PQ;
	vector<ll> dist(N, 1e18);
	dist[0] = 0;
	PQ.emplace(0, 0);
	while (!PQ.empty())
	{
		auto [d, u] = PQ.top();
		PQ.pop();
 
		if (d != dist[u])
			continue;
 
		for (pair<int, ll> i : adj[u])
		{
			auto [v, w] = i;
			if (dist[v] > dist[u] + w)
				PQ.emplace(dist[v] = dist[u] + w, v);
		}
	}
 
	return (dist[H] == INF ? -1 : double(dist[H]));
}

Compilation message (stderr)

cyberland.cpp: In function 'double solve(int, int, int, int, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
cyberland.cpp:38:21: error: 'INF' was not declared in this scope
   38 |  return (dist[H] == INF ? -1 : double(dist[H]));
      |                     ^~~