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#include <stdio.h>
#include <string.h>
char ax[8192];
int pz;
const int oo = 1<<30;
inline void cit(int &x)
{
x=0;
int semn = 1;
while(ax[pz]< '0' || ax[pz] > '9')
if(++pz==8192)fread(ax,1,8192,stdin),pz=0;
if(ax[pz-1] == '-')
semn = -1;
while(ax[pz]>='0' && ax[pz]<='9')
{
x=x*10+ax[pz]-'0';
if(++pz==8192)fread(ax,1,8192,stdin),pz=0;
}
x*=semn;
}
struct nod { int x, y, c;};
nod a[2501];
int d[501];
int n, m;
void read()
{
freopen("bellmanford.in","r",stdin);
cit(n);cit(m);
for(int i=1;i<=m;++i) cit(a[i].x), cit(a[i].y), cit(a[i].c);
}
void bell()
{
int i;
int p,q,c;
bool mf = true;
for(i=1; i<=n; i++)
d[i] = oo;
d[1]=0;
int counter = 0;
while(mf && counter < n)
{
mf = false;
for(i=1;i<=m;++i)
{
p=a[i].x, q=a[i].y, c=a[i].c;
if(d[p] + c < d[q])
d[q]=d[p]+c, mf = true;
}
counter++;
/*for(i=1; i<=n; i++)
printf("%d ", d[i]);
printf("\n");*/
}
if(counter >= n)
printf("Ciclu negativ!\n");
else
for(i=2;i<=n;++i)
if(d[i]==oo) printf("0 ");
else printf("%d ", d[i]);
}
int main()
{
freopen("bellmanford.out","w",stdout);
read();
bell();
return 0;
}