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Cod sursa(job #326568)
//#include<stdio.h>
#include<fstream>
using namespace std;
fstream f("stramosi.in",ios::in),g("stramosi.out",ios::out);
long n,m;
long long v[251000],mat[300001][3];
void cauta(long long q,long long p,long i)
{
if(i==p)
{
if(p==1)
{
//printf("%lld\n",v[q]);
g<<v[q]<<endl;
}
else /*printf("%lld\n",q);*/g<<q<<endl;
}
else
{
if(i==1)
{
if(v[q]!=0)cauta(v[v[q]],p,i+1);
else /*printf("0\n");*/g<<"0"<<endl;
}
else
{
if(q!=0)cauta(v[q],p,i+1);
else /*printf("0\n");*/g<<"0"<<endl;
}
}
}
int main()
{
long i;
/*freopen("stramosi.in","r",stdin);
freopen("stramosi.out","w",stdout);*/
//scanf("%ld%ld",&n,&m);
f>>n>>m;
for(i=1;i<=n;i++)/*scanf("%lld",&v[i]);*/f>>v[i];
for(i=1;i<=m;i++)
{
/*scanf("%lld",&mat[i][1]);
scanf("%lld",&mat[i][2]);*/
f>>mat[i][1]>>mat[i][2];
}
f.close();
for(i=1;i<=m;i++)
{
cauta(mat[i][1],mat[i][2],1);
}
g.close();
return 0;
}