Cod sursa(job #2154819)
| Utilizator | Data | 7 martie 2018 12:33:56 | |
|---|---|---|---|
| Problema | Stramosi | Scor | 100 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.61 kb |
#include <bits/stdc++.h>
using namespace std;
int r[19][250001]={0};
int solve(int q, int p){
for(int i=0; (1<<i)<=p; i++){
if((1<<i)&p){
q = r[i][q];
}
}
return q;
}
int main()
{
ifstream f("stramosi.in");
ofstream g("stramosi.out");
int i, j, n, p, q, m;
f >> n >> m;
for(i=1; i<=n; i++){
f >> r[0][i];
}
for(i=1; i<=18; i++){
for(j=1; j<=n; j++){
r[i][j] = r[i-1][r[i-1][j]];
}
}
for(i=1; i<=m; i++){
f >> q >> p;
g << solve(q, p) << "\n";
}
}
