Cod sursa(job #716485)
Utilizator | Data | 18 martie 2012 21:29:30 | |
---|---|---|---|
Problema | Stramosi | Scor | 70 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.34 kb |
#include<fstream>
using namespace std;
ifstream f("stramosi.in");
ofstream g("stramosi.out");
int x,y,m,n,k,nr,i,a[250001];
int main()
{f>>n>>m;
for(i=1;i<=n;f>>a[i],++i);
for(i=1;i<=m;++i)
{f>>x>>y;
nr=0;
k=x;
while(nr<y&&a[k]!=0)
{k=a[k];
++nr;
}
if(nr<y)
g<<'0';
else
g<<k;
g<<'\n';
}
f.close();
g.close();
return 0;
}