Cod sursa(job #2503113)
| Utilizator | Data | 2 decembrie 2019 15:08:01 | |
|---|---|---|---|
| Problema | Stramosi | Scor | 80 |
| Compilator | cpp-64 | Status | done |
| Runda | Arhiva de probleme | Marime | 0.64 kb |
#include <cstdio>
#pragma GCC optimize (3)
using namespace std;
int strm[20][250005], v[19];
int main()
{
freopen("stramosi.in","r",stdin);
freopen("stramosi.out","w",stdout);
int n, m, i, j, p, q;
scanf("%d%d",&n,&m);
for (i=1; i<=n; i++)
scanf("%d", &strm[0][i]);
for (j=1; j<=18; j++)
{
for (i=1; i<=n; i++)
strm[j][i]=strm[j-1][strm[j-1][i]];
}
for (i=1; i<=m; i++)
{
scanf("%d%d", &p, &q);
for (j=0; j<=18; j++)
{
if(q&(1<<j))
p=strm[j][p];
}
printf("%d\n",p);
}
return 0;
}
