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Cod sursa(job #374344)
#include <stdio.h>
#include <string.h>
#include <vector>
#include <set>
#include <queue>
#define mp make_pair
#define pb push_back
#define f first
#define s second
#define N 1<<10
#define inf 1000000000
using namespace std;
int n,m,k;
vector <pair <int,int> > A[N];
int cost[N][N],pre[N],nrst[N];
char viz[N];
priority_queue <pair <int, int> > T;
void read()
{
scanf("%d%d%d",&n,&m,&k);
int i,x,y,z;
for (i=1; i<=m; i++)
{
scanf("%d%d%d",&x,&y,&z);
A[x].pb(mp(y,z));
}
}
void init()
{
int i,j;
for (i=1; i<=n; i++)
for (j=1; j<=k; j++)
cost[i][j]=inf;
cost[n][1]=0;
}
void dfs(int nod)
{
if (viz[nod])
return ;
viz[nod]=1;
int i,st,val,x;
for (i=0; i<A[nod].size(); i++)
dfs(A[nod][i].f);
while (!T.empty())
T.pop();
for (i=0; i<A[nod].size(); i++)
{
st=A[nod][i].f;
pre[st]=1;
nrst[st]=A[nod][i].s;
T.push(mp(cost[st][1]+A[nod][i].s,st));
}
int r=0;
for (i=1; i<=k && !T.empty(); i++)
{
val=T.top().f, x =T.top().s;
T.pop();
if (val>=inf)
break;
cost[nod][++r]=val;
++pre[x];
if (pre[x]<=k)
T.push(mp(nrst[x]+cost[x][pre[x]],x));
}
}
void show()
{
int i;
for (i=1; i<=k; i++)
printf("%d ",cost[1][i]);
printf("\n");
}
int main()
{
freopen("pitici.in","r",stdin);
freopen("pitici.out","w",stdout);
read();
init();
dfs(1);
show();
return 0;
}