Cod sursa(job #2475677)
Utilizator | Data | 17 octombrie 2019 12:26:50 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.44 kb |
#include <fstream>
using namespace std;
ifstream cin("lgput.in");
ofstream cout("lgput.out");
int v[650];
int main()
{
int n,i,cat,p,j,r;
cin>>n>>p;
r=1;
i=0;
for(i=0;(1<<i)<=p;i++)
if(((1<<i)&p)>0)
v[i+1]=1;
else
v[i+1]=0;
for(j=i;j>=1;j--){
r=(r*r)%1999999973;
if(v[j]==1)
r=(r*n)%1999999973;
}
cout<<r;
return 0;
}