Cod sursa(job #1159852)
Utilizator | Data | 29 martie 2014 22:02:01 | |
---|---|---|---|
Problema | Stramosi | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.47 kb |
#include <fstream>
using namespace std;
int n,m,i,j,p,q,s[20][250005];
int main() {
ifstream f("stramosi.in");
ofstream g("stramosi.out");
f>>n>>m;
for(i=1;i<=n;i++)
f>>s[0][i];
for(i=1;(1<<i)<=n;i++)
for(j=1;j<=n;j++)
s[i][j]=s[i-1][s[i-1][j]];
while(m--) {
f>>p>>q;
for(i=0,j=1;j<=q;i++,j<<=1)
if((j&q)!=0)
p=s[i][p];
g<<p<<"\n";
}
return 0;
}