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#include <cstdio>
#include <vector>
#include <algorithm>
#define INF 1<<30
#define NMAX 50005
using namespace std;
struct graf
{
int l,r;
};
vector<graf>v[NMAX];
int n,m,x,y,c,lg;
int d[NMAX],H[NMAX*2],Poz[NMAX*2];
graf pp(int x,int y)
{
graf X;
X.l=x;X.r=y;
return X;
}
void urca(int poz)
{
while(poz > 1 && d[H[poz]] < d[H[poz/2]])
{
swap(H[poz],H[poz/2]);
swap(Poz[H[poz]],Poz[H[poz/2]]);
poz=poz/2;
}
}
void bagaheap(int x)
{
++lg;
H[lg] = x;
Poz[x] = lg;
urca(lg);
}
void coboara(int poz)
{
while((poz * 2 <= lg && d[H[poz]] > d[H[poz*2]]) || (poz * 2 + 1 <= lg + 1 && d[H[poz]] > d[H[poz*2+1]]))
{
if(poz * 2 + 1 > lg || d[H[poz*2]] < d[H[poz*2+1]])
{
swap(H[poz],H[poz*2]);
swap(Poz[H[poz]],Poz[H[poz*2]]);
poz=poz*2;
}
else
{
swap(H[poz],H[poz*2+1]);
swap(Poz[H[poz]],Poz[H[poz*2+1]]);
poz=poz*2+1;
}
}
}
int Minim()
{
int Min = H[1];
swap(H[1],H[lg]);
swap(Poz[H[1]],Poz[H[lg]]);
--lg;
coboara(1);
return Min;
}
int main()
{
freopen("dijkstra.in","r",stdin);
freopen("dijkstra.out","w",stdout);
scanf("%d%d",&n,&m);
for(int i = 1; i <= m; ++i)
{
scanf("%d%d%d",&x,&y,&c);
v[x].push_back(pp(y,c));
}
for(int i = 2; i <= n; ++i) d[i] = INF;
bagaheap(1);
for(int i = 1; i <= n; ++i)
{
int x = Minim();
for(int it = 0; it < v[x].size(); ++it)
{
graf X = v[x][it];
if (d[x] + X.r < d[X.l])
{
d[X.l] = d[x] + X.r;
if (Poz[X.l] == 0) bagaheap(X.l);
else urca(Poz[X.l]);
}
}
}
for(int i = 2; i <= n; ++i)
if (d[i] != INF) printf("%d ",d[i]);
else printf("0 ");
return 0;
}