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#include <fstream>
#include <vector>
#include <queue>
#include <algorithm>
using namespace std;
using VI = vector<int>;
using PI = pair<int, int>;
using VP = vector<PI>;
using VVP = vector<VP>;
const int Inf = 0x3f3f3f3f;
int n, m;
VVP G;
VI d;
void Read();
void Dijkstra(int x, VI& d);
void Write();
int main()
{
Read();
Dijkstra(1, d);
Write();
}
void Write()
{
ofstream fout("dijkstra.out");
for (int i = 2; i <= n; i++)
if (d[i] == Inf)
fout << "0 ";
else
fout << d[i] << ' ';
}
void Dijkstra(int x, VI& d)
{
d = VI(n + 1, Inf);
priority_queue<PI, VP, greater<PI>> Q;
d[x] = 0;
Q.emplace(0, x);
int y, w, dx;
while (!Q.empty())
{
x = Q.top().second;
dx = Q.top().first;
Q.pop();
if (dx > d[x])
continue;
for (PI p : G[x])
{
y = p.first;
w = p.second;
if (d[y] > d[x] + w)
{
d[y] = d[x] + w;
Q.emplace(d[y], y);
}
}
}
}
void Read()
{
ifstream fin("dijkstra.in");
fin >> n >> m;
G = VVP(n + 1);
int x, y, w;
for (int i = 0; i < m; i++)
{
fin >> x >> y >> w;
G[x].emplace_back(y, w);
}
}