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#include <fstream>
#include <queue>
#include <vector>
#define Nmax 50005
#define INF 1 << 30
using namespace std;
ifstream f("dijkstra.in");
ofstream g("dijkstra.out");
int n, m;
int used[Nmax];
bool in_stack[Nmax];
vector < pair <int,int> > G[Nmax];
struct comp
{
bool operator()(int x, int y)
{
return used[x] > used[y];
}
};
priority_queue<int, vector<int>, comp> Queue;
void input()
{
f >> n >> m;
for(int i = 1; i <= m; i++)
{
int x, y, c;
f >> x >> y >> c;
G[x].push_back(make_pair(y,c));
}
}
void dijkstra(int nodStart)
{
for(int i = 1; i <= n; i++)
used[i] = INF;
used[nodStart]=0;
Queue.push(nodStart);
in_stack[nodStart] = true;
while(!Queue.empty())
{
int nodCurent = Queue.top();
Queue.pop();
in_stack[nodCurent] = false;
for(size_t i = 0; i < G[nodCurent].size(); i++)
{
int neighbor = G[nodCurent][i].first;
int Cost = G[nodCurent][i].second;
if(used[nodCurent] + Cost < used[neighbor])
{
used[neighbor] = used[nodCurent] + Cost;
if(in_stack[neighbor] == false)
{
Queue.push(neighbor);
in_stack[neighbor] = true;
}
}
}
}
}
void output()
{
for(int i = 2; i <= n; i++)
{
if(used[i] != INF)
g << used[i] << " ";
else
g << "0 ";
}
}
int main()
{
input();
dijkstra(1);
output();
}