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#include <fstream>
#include <vector>
#include <queue>
using namespace std;
using edge = pair<int, int>;
ifstream f("dijkstra.in");
ofstream g("dijkstra.out");
static constexpr int nMAX = ((int)(5e4) + 4);
static constexpr int INF = ((int)(1e9));
int n;
vector<edge> G[nMAX];
auto cmp = [](const edge &x, const edge &y)
{
if (!(x.first < y.first))
return 1;
return 0;
};
void add_edge(const int x, const int y, const int cost)
{
G[x].push_back({cost, y});
return;
}
void load_graph()
{
int m = 0;
f >> n >> m;
int x = 0, y = 0, v = 0;
for (int i = 1; i <= m; ++i)
{
f >> x >> y >> v,
add_edge(x, y, v);
}
return;
}
int main()
{
load_graph();
vector<int> d((n + 1), INF);
vector<bool> completed((n + 1), false);
priority_queue<edge, vector<edge>, decltype(cmp)> H(cmp);
d[1] = 0, completed[1] = true;
for (const edge &e : G[1])
if (e.first < d[e.second])
d[e.second] = e.first, H.push(e);
while (!H.empty())
{
while (!H.empty() && completed[H.top().second])
H.pop();
if (H.empty())
break;
int node = H.top().second;
H.pop();
completed[node] = true;
for (const edge &e : G[node])
if (!completed[e.second])
if (d[node] + e.first < d[e.second])
d[e.second] = d[node] + e.first,
H.push({d[e.second], e.second});
}
for (int i = 2; i <= n; ++i)
{
g << ((d[i] == INF) ? 0 : d[i]);
if (i == n)
g << '\n';
else
g << ' ';
}
return 0;
}