Cod sursa(job #770068)
Utilizator | Data | 21 iulie 2012 21:20:56 | |
---|---|---|---|
Problema | Stramosi | Scor | 50 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.46 kb |
#include<fstream>
using namespace std;
ifstream f("stramosi.in");
ofstream g("stramosi.out");
int n,nq,i,j,k;
int a[20][250001];
int p,q,x;
int main()
{f>>n>>nq;
for(i=1; i<=n; i++)
f>>a[0][i];
for(i=1; i<=18; i++)
for(j=1; j<=n; j++)
a[i][j]=a[i-1][a[i-1][j]];
for(i=1; i<=nq; i++)
{f>>p>>q;
x=p;
j=0;
while(q)
{if(q%2==1)
x=a[j][x];
j++;
q=q/2;}
g<<x<<endl;
}
return 0;
}