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#include <fstream>
#include <vector>
#include <queue>
#include <algorithm>
using namespace std;
struct Pair {
int node, dist;
bool operator < (const Pair& a) const
{
return dist > a.dist;
}
};
using VP = vector<Pair>;
using VVP = vector<VP>;
using VI = vector<int>;
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 x = 2; x <= n; x++)
fout << d[x] << ' ';
fout.close();
}
void Dijkstra(int x, VI& d)
{
priority_queue<Pair> Q;
d = VI(n + 1, Inf);
d[x] = 0;
Q.push({x, 0});
int dx, y, w;
while (!Q.empty())
{
x = Q.top().node;
dx = Q.top().dist;
Q.pop();
if (dx > d[x])
continue;
for (const Pair& p : G[x])
{
y = p.node;
w = p.dist;
if (d[y] > d[x] + w)
{
d[y] = d[x] + w;
Q.push({y, d[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].push_back({y, w});
}
fin.close();
}