Cod sursa(job #1164905)
Utilizator | Data | 2 aprilie 2014 12:49:32 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.41 kb |
#include <fstream>
#define MOD 1999999973
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
long long int a,b;
long long int putere(long long int a,long long int b){
if(b==1)
return a%MOD;
if(b & 1)
return ((a%MOD)*putere(a*a,b/2)%MOD)%MOD;
else
return putere(a*a,b/2)%MOD;
}
int main()
{
f>>a>>b;
g<<putere(a,b)%MOD;
return 0;
}