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Program dijkstra;
type lista = ^celula;
celula = record
nod : longint;
cost : longint;
pred : lista;
end;
const INF=2000000000;
var Lda : array [1..50005] of lista;
r :lista;
H,D,poz: array [1..50051] of longint;
n,i,a,b,c,v,k,aux,p,lungime: longint;
b1,b2 : array[0..1 shl 17] of char;
procedure swap(var x,y : longint);
var aux : longint;
begin
aux:=x;
x:=y;
y:=aux;
end;
procedure coboara(k : longint);
var fiu : longint;
begin
repeat
fiu:=0;
if k*2<=n then
begin
fiu:=k*2;
if (D[H[k*2+1]]<D[H[k*2]]) and (k*2+1<=n) then fiu:=k*2+1;
if D[H[fiu]]>=D[H[k]] then fiu:=0
end;
if fiu<>0 then begin
swap(poz[H[k]],poz[H[fiu]]);
swap(H[k],H[fiu]);
k:=fiu;
end;
until fiu=0;
end;
procedure add (v,c : longint; var p : lista);
var r : lista;
begin
new(r);
r^.nod:=v;
r^.cost:=c;
r^.pred:=p;
p:=r;
end;
procedure ridica( k : longint);
var aux : longint;
begin
if k>1 then
if D[H[k]]<D[H[k div 2]] then begin
swap(H[k],H[k div 2]);
poz[H[k]]:=k div 2;
poz[H[k div 2]]:=k;
ridica(k div 2);
end;
end;
begin
assign(input,'dijkstra.in'); settextbuf(input,b1); reset(input);
assign(output,'dijkstra.out'); settextbuf(output,b2); rewrite(output);
readln(n,p); aux:=n;
for i:=1 to p do begin
readln(a,b,c);
add(b,c,lda[a]);
end;
for i:=2 to n do D[i]:=INF;
H[1]:=1;
poz[1]:=1;
lungime:=1;
while lungime>0 do begin
v:=H[1];
r:=lda[v];
H[1]:=H[lungime];
lungime:=lungime-1;
while r<>nil do begin
if D[v]+r^.cost<=D[r^.nod] then
begin
D[r^.nod]:=D[v]+r^.cost;
lungime:=lungime+1;
H[lungime]:=r^.nod;
ridica(lungime);
end;
r:=r^.pred;
end;
end;
for i:=2 to aux do
if D[i]=INF then write(0,' ')
else write(D[i],' ');
close(output);
end.