Cod sursa(job #2634421)
| Utilizator | Data | 10 iulie 2020 20:53:58 | |
|---|---|---|---|
| Problema | Stramosi | Scor | 0 |
| Compilator | cpp-64 | Status | done |
| Runda | Arhiva de probleme | Marime | 0.61 kb |
#include <bits/stdc++.h>
using namespace std;
ifstream r("stramosi.in");
ofstream w("stramosi.out");
int n,m,stramos[20][250002];
int main()
{
r>>n>>m;
for(int i=1; i<=n; i++){
r>>stramos[0][i];
}
int i=1;
for(int p=2; p<=n;p*=2){
i++;
for(int j=1; j<=n; j++){
stramos[i][j]=stramos[i-1][stramos[i-1][j]];
}
}
while(m--){
int p,q;
r>>q>>p;
while(p!=0)
{
int k=__builtin_ctz(p);
q=stramos[k][q];
p-=1<<k;
}
w<<q<<"\n";
}
return 0;
}
