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Cod sursa(job #469956)
#include<fstream>
using namespace std;
int v[10003],n,m;
int cmmdc(int a,int b);
int verif();
int main()
{
ifstream fin("oz.in");
ofstream fout("oz.out");
fin>>n;
fin>>m;
int i;
for(i=1;i<=m;i++)
{
int a,b,c;
fin>>a>>b>>c;
if(v[a]==0)
v[a]=1;
if(v[b]==0)
v[b]=1;
int z=cmmdc(v[a],c);
v[a]=v[a]*c;
v[a]=v[a]/z;
z=cmmdc(v[b],c);
v[b]=v[b]*c;
v[b]=v[b]/z;
}
if(verif()==0)
fout<<"-1";
else
{
for(i=1;i<=n;i++)
fout<<v[i]<<" ";
}
//fout<<cmmdc(4,2);
return 0;
}
int cmmdc(int a,int b)
{
int rest;
while(a%b)
{
rest=a%b;
a=b;
b=rest;
}
return b;
}
int verif()
{
int i;
for(i=1;i<=n;i++)
if(v[i]<1)
return 0;
return 1;
}