Cod sursa(job #1016746)
| Utilizator | Data | 26 octombrie 2013 18:18:40 | |
|---|---|---|---|
| Problema | Stramosi | Scor | 100 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.56 kb |
#include<fstream>
using namespace std;
ifstream in("stramosi.in");
ofstream out("stramosi.out");
const int Nmax = 250005;
const int Lmax = 18;
int N,M;
int smen[Lmax][Nmax];
int main(){
in>>N>>M;
for(int j=1;j<=N;j++) in>>smen[0][j];
for(int i=1;(1<<i)<=N;i++) for(int j=1;j<=N;j++) smen[i][j]=smen[i-1][smen[i-1][j]];
for(int i=1;i<=M;i++){
int x,k;
in>>x>>k;
for(int j=0;(1<<j)<=k;j++){
if(k&(1<<j)){
x=smen[j][x];
}
}
out<<x<<'\n';
}
return 0;
}
