Cod sursa(job #3207627)
| Utilizator | Data | 26 februarie 2024 17:08:50 | |
|---|---|---|---|
| Problema | Stramosi | Scor | 100 |
| Compilator | cpp-64 | Status | done |
| Runda | Arhiva de probleme | Marime | 0.61 kb |
#include <fstream>
using namespace std;
int v[250005], mem[100][250005];
int jump(int x, int dist)
{
for(int i=0;i<20;i++)
{
if((dist>>i) & 1)
x=mem[i][x];
}
return x;
}
int main()
{
ifstream cin("stramosi.in");
ofstream cout("stramosi.out");
int n, m, a, b;
cin>>n>>m;
for(int i=1;i<=n;i++)
{
cin>>v[i];
}
for(int i=0;i<20;i++)
{
for(int j=1;j<=n;j++)
{
if(i==0)
mem[i][j]=v[j];
else
mem[i][j]=mem[i-1][mem[i-1][j]];
}
}
for(int i=0;i<m;i++)
{
cin>>a>>b;
cout<<jump(a, b)<<'\n';
}
return 0;
}
