Cod sursa(job #1870312)
Utilizator | Data | 6 februarie 2017 15:57:45 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.39 kb |
#include <fstream>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
//#define mod 1999999973
const int mod = 1999999973;
int power(int a , int b){
if(b == 0)return 1;
if(b%2)return (1LL*a*power(a,b-1))%mod;
int v = (1LL*power(a,b/2))%mod;
return (1LL*v*v)%mod;
}
int a,b;
int main()
{
f >> a >> b;
g << power(a,b);
return 0;
}