Cod sursa(job #880561)
Utilizator | vrabie gelu gogol100 | Data | 16 februarie 2013 22:10:58 |
---|---|---|---|
Problema | Stramosi | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.58 kb |
#include<fstream>
using namespace std;
int a[21][250001],i,j,n,m,x,y;
int main()
{
ifstream f("stramosi.in");
ofstream g("stramosi.out");
f >> n >> m;
for (i=1;i<=n;i++)
f >> a[0][i];
for (j=1;j<=17;j++)
for (i=1;i<=n;i++)
a[j][i]=a[j-1][a[j-1][i]];
for (i=1;i<=m;i++)
{
f >> x >> y;
for (j=0;y>0;j++)
{
if ((y & (1 << j))>0)
{
x=a[j][x];
y-=1 << j;
}
}
g << x << "\n";
}
return 0;
}