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Cod sursa(job #314735)
#include<cstdio>
using namespace std;
int a[250010];
int main()
{
int m,n,i,x,y;
FILE *f=fopen("stramosi.in","r");
FILE *g=fopen("stramosi,out","w");
fscanf(f,"%d %d ",&n,&m);
for (i=1;i<=n;i++)
fscanf(f,"%d ",&a[i]);
for (i=1;i<=m;i++)
{
fscanf(f,"%d %d ",&x,&y);
while (y!=1&&a[x]!=0)
{
x=a[x];
y--;
}
if (y==1)
{
fprintf(g,"%d ",a[x]);
fprintf(g,"\n");
}
else
{
fprintf(g,"%d",0);
fprintf(g,"\n");
}
}
fclose(f);
fclose(g);
return 0;
}