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Cod sursa(job #977973)
#include "stdio.h"
int r;
struct{
int s;
}om[250001];
void str(int q,int p)
{
if(q==0) r=0;
else{
if(p>0) str(om[q].s,p-1);
else r=q;
}
}
int main()
{
int N,M,i,q,p;
char c;
FILE *f,*g;
f=fopen("stramosi.in","r");
g=fopen("stramosi.out","w");
fscanf(f,"%d",&N);
fscanf(f,"%c",&c);
fscanf(f,"%d",&M);
fscanf(f,"%c",&c);
for(i=1;i<=N;i++)
{
fscanf(f,"%d",&om[i].s);
fscanf(f,"%c",&c);
}
for(i=1;i<=M;i++)
{
fscanf(f,"%d",&q);
fscanf(f,"%c",&c);
fscanf(f,"%d",&p);
fscanf(f,"%c",&c);
str(q,p);
fprintf(g,"%d\n",r);
}
fclose(f);fclose(g);
return 0;
}