Cod sursa(job #2965508)
| Utilizator | Data | 15 ianuarie 2023 14:32:56 | |
|---|---|---|---|
| Problema | Stramosi | Scor | 100 |
| Compilator | cpp-64 | Status | done |
| Runda | Arhiva de probleme | Marime | 0.64 kb |
#include <fstream>
using namespace std;
ifstream cin("stramosi.in");
ofstream cout("stramosi.out");
const int nmax=25e4;
int dp[nmax+3][18];
int main() {
int n,m,q,p;
cin>>n>>m;
for(int i=1; i<=n; i++)
cin>>dp[i][0];
for(int i=1; (1<<i)<=n; i++)
for(int j=1; j<=n; j++)
dp[j][i]=dp[dp[j][i-1]][i-1];
for(int i=1; i<=m; i++) {
cin>>q>>p;
int pas=17,rez=q;
while(pas>=0) {
if(p-(1<<pas)>=0) {
rez=dp[rez][pas];
p-=(1<<pas);
}
pas--;
}
cout<<rez<<'\n';
}
return 0;
}
