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#include <algorithm>
#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("dijkstra.in");
ofstream fout("dijkstra.out");
#define nmax 50001
#define inf 0x3f3f3f3f
#define T (u >> 1)
#define L (u << 1)
#define R (L | 1)
int i, n;
int H[nmax];
int d[nmax];
struct nod {
int u;
int cost;
nod *next;
};
nod *v[nmax];
inline void add(int i, int j, int k) {
nod *p = new nod;
p->u = j;
p->cost = k;
p->next = v[i];
v[i] = p;
}
inline void upheap(int u) {
while (u != 1 && d[H[T]] > d[H[u]]) swap(H[T], H[u]), u = T;
}
inline void downheap(int u) {
while (1) {
int m = u;
if (L <= n && d[H[L]] < d[H[m]]) m = L;
if (R <= n && d[H[R]] < d[H[m]]) m = R;
if (m == u)
break;
swap(H[m], H[u]);
u = m;
}
}
int N, M;
int x, a, b, c;
int main() {
fin >> N >> M;
for (i = 1; i <= N; ++i) d[i] = inf;
for (i = 1; i <= M; ++i) {
fin >> a >> b >> c;
add(a, b, c);
}
d[1] = 0;
n = 1;
H[1] = 1;
while (n) {
x = H[1];
for (nod *it = v[x]; it; it = it->next) {
if (d[x] + it->cost < d[it->u]) {
d[it->u] = d[x] + it->cost;
++n;
H[n] = it->u;
upheap(n);
}
}
swap(H[1], H[n]);
--n;
downheap(1);
}
for (i = 2; i <= N; ++i) {
if (d[i] != inf) fout << d[i] << ' ';
else
fout << "0 ";
}
return 0;
}