Cod sursa(job #2198754)
Utilizator | Data | 25 aprilie 2018 12:00:46 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.36 kb |
#include <fstream>
#define mod 1999999973
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
int n,p,k,v[33],r,i;
int main()
{
f>>n>>p;k=0;
while(p!=0){
v[++k]=p%2;
p=p/2;
}
r=1;
for(i=k;i>=1;i--){
r=r*r%mod;
if(v[i]==1)
r=r*n%mod;
}
g<<r;
return 0;
}