Cod sursa(job #2499332)
Utilizator | Data | 25 noiembrie 2019 21:35:30 | |
---|---|---|---|
Problema | Stramosi | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva de probleme | Marime | 0.47 kb |
#include <fstream>
using namespace std;
ifstream fin("stramosi.in");
ofstream fout("stramosi.out");
int n,q,i,j,D[20][250010],a,b;
int main(){
fin>>n>>q;
for(i=1;i<=n;i++)
fin>>D[0][i];
for(i=1;i<=19;i++){
for(j=1;j<=n;j++)
D[i][j]=D[i-1][D[i-1][j]];
}
for(;q--;){
fin>>a>>b;
for(i=0;(1<<i)<=b;i++)
if(b&(1<<i))
a=D[i][a];
fout<<a<<"\n";
}
return 0;
}