Cod sursa(job #2683015)
Utilizator | Data | 10 decembrie 2020 11:13:18 | |
---|---|---|---|
Problema | Stramosi | Scor | 80 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva de probleme | Marime | 0.57 kb |
#include <bits/stdc++.h>
using namespace std;
ifstream fin("stramosi.in");
ofstream fout("stramosi.out");
int str[250010][30],lim,n,m,i,j,q,p,x;
int main()
{
fin>>n>>m;
lim=log2(n);
for(i=1;i<=n;i++)
fin>>str[i][0];
for(int i=1;i<=lim;i++)
for(j=1;j<=n;j++)
str[j][i]=str[str[j][i-1]][i-1];
while(m--)
{
fin>>q>>p;
x=0;
while(p)
{
if(p&1)
q=str[q][x];
x++;
p>>=1;
}
fout<<q<<'\n';
}
return 0;
}