Cod sursa(job #951204)
Utilizator | Data | 19 mai 2013 19:03:50 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.38 kb |
#include <fstream>
#define mod 1999999973
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
unsigned long long n, k, res=1;
int main()
{
f>>n>>k;
while(k>0)
{
if(k%2==1)
{
res*=n; res%=mod; k--;
}
n*=n; n%=mod; k/=2;
}
g<<res<<'\n';
f.close(); g.close();
return 0;
}