Pagini recente » Cod sursa (job #3003986) | Cod sursa (job #196524) | Cod sursa (job #291999) | Cod sursa (job #1267027) | Cod sursa (job #2684896)
#include <iostream>
#include <fstream>
using namespace std;
ifstream f("stramosi.in");
ofstream ff("stramosi.out");
int n,m,x,y,r[19][250001],pow2[19];
int main()
{
f>>n>>m;
int lim=0,p=1;
pow2[0]=1;
while(p<=n)
{
lim++;
p*=2;
pow2[lim]=p;
}
lim--;
for(int i=1;i<=n;i++)
f>>r[0][i];
for(int k=1;k<=lim;k++)
{
for(int i=1;i<=n;i++)
{
r[k][i]=r[k-1][r[k-1][i]];
}
}
for(int i=1;i<=m;i++)
{
f>>x>>y;
for(int j=0;j<=18;j++)
{
if(y&(1<<j))
x=r[j][x];
}
ff<<x<<"\n";
}
return 0;
}