Cod sursa(job #2630293)
| Utilizator | Data | 25 iunie 2020 10:16:33 | |
|---|---|---|---|
| Problema | Stramosi | Scor | 100 |
| Compilator | cpp-64 | Status | done |
| Runda | Arhiva de probleme | Marime | 0.6 kb |
#include <bits/stdc++.h>
using namespace std;
ifstream f("stramosi.in");
ofstream g("stramosi.out");
const int N = 19;
const int M = 250001;
int n,m,stramos[N][M];
int main()
{
f>>n>>m;
for(int i=1; i<=n; i++)
f>>stramos[0][i];
for(int i=1,p=2;p<=n;i++,p*=2)
for(int j=1;j<=n;j++)
stramos[i][j]=stramos[i-1][stramos[i-1][j]];
for(;m;m--)
{
int p,q;
f>>q>>p;
while(p)
{
int k=__builtin_ctz(p);
q=stramos[k][q];
p-=1<<k;
}
g<<q<<'\n';
}
return 0;
}
