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#include <fstream>
#include <vector>
#include <queue>
using namespace std;
ifstream f("dijkstra.in");
ofstream g("dijkstra.out");
typedef pair < int, int > Edge;
const int NMAX = 5e4 + 1;
const int INF = 1e9;
int N, M;
vector < Edge > G[NMAX];
int d[NMAX];
bool Sel[NMAX];
auto cmp = [] (Edge A, Edge B)
{
if(!(A.first < B.first))
return 1;
return 0;
};
priority_queue < Edge, vector < Edge >, decltype (cmp) > H(cmp);
static inline void Read ()
{
f.tie(nullptr);
f >> N >> M;
for(int i = 1; i <= M; ++i)
{
int X = 0, Y = 0, C = 0;
f >> X >> Y >> C;
G[X].push_back({C, Y});
}
return;
}
static inline void Dijkstra (int S)
{
for(int i = 1; i <= N; ++i)
d[i] = INF, Sel[i] = 0;
d[S] = 0, Sel[S] = 1;
for(auto it : G[S])
if(it.first < d[it.second])
d[it.second] = it.first, H.push(it);
while(!H.empty())
{
while(!H.empty() && Sel[H.top().second])
H.pop();
if(H.empty())
return;
int Node = H.top().second;
int Cost = H.top().first;
Sel[Node] = 1;
H.pop();
for(auto it : G[Node])
if(Cost + it.first < d[it.second])
d[it.second] = Cost + it.first, H.push({Cost + it.first, it.second});
}
return;
}
static inline void Solve ()
{
Dijkstra(1);
for(int i = 2; i <= N; ++i)
{
g << ((d[i] != INF) ? d[i] : 0);
if(i != N)
g << ' ';
}
g << '\n';
return;
}
int main()
{
Read();
Solve();
return 0;
}