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Cod sursa(job #933387)
program blemalgha;
type hacking=record
nod,cost:longint;
end;
var f,g:text;
n,m,i,x,y,z:longint;
a:array of array of hacking;
c:array[1..200000] of longint;
ps,pi:longint;
d:array[1..50000] of longint;
bufin,bufout:array[1..65000] of byte;
nr,wnod,wcost:longint;
begin
assign (f,'dijkstra.in'); reset (f);
assign (g,'dijkstra.out'); rewrite (G);
settextbuf (f,bufin); settextbuf (g,bufout);
readln (f,n,m);
setlength(a,n+1,1);
for i:=1 to m do
begin
readln (f,x,y,z);
setlength(a[x],length(a[x])+1);
inc(a[x,0].nod);
a[x,a[x,0].nod].nod:=y;
a[x,a[x,0].nod].cost:=z;
end;
for i:=2 to n do d[i]:=maxlongint;
ps:=0; pi:=1;
c[1]:=1;
while ps<pi do
begin
inc(ps);
nr:=c[ps];
for i:=1 to a[nr,0].nod do
begin
wnod:=a[nr,i].nod;
wcost:=a[nr,i].cost;
if d[wnod]>d[nr]+wcost then
begin
inc(pi);
c[pi]:=wnod;
d[wnod]:=d[nr]+wcost;
end;
end;
end;
for i:=2 to n do
begin
if d[i]=maxlongint then d[i]:=0;
write (g,d[i],' ');
end;
close (F); close (g);
end.