Cod sursa(job #1537975)
Utilizator | Data | 28 noiembrie 2015 12:41:33 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.45 kb |
#include<iostream>
#include<fstream>
using namespace std;
fstream fin("lgput.in",ios::in),fout("lgput.out",ios::out);
int x,n,r=1999999973;
long long put(int a,int b)
{
long long v;
if(b==0)
{
return 1;
}
if(b%2==0)
{
v=put(a,b/2)%r;
return v*v %r;
}
return a*put(a,b-1)%r;
}
int main()
{
int a,b;
long long c;
fin>>a>>b;
a=a%r;
c=put(a,b);
fout<<c%r;
}