Cod sursa(job #1869727)
Utilizator | Data | 6 februarie 2017 09:27:17 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.35 kb |
#include <iostream>
#define MOD 1999999973
#include<fstream>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
int power(int a, int b)
{ if(b==0) return 1;
if(b%2) return (1LL*a*power(a,b-1))%MOD;
int v=power(a,b/2);
return (1LL*v*v)%MOD;
}
int main()
{ int x,y;
f>>x>>y;
g<<power(x,y);
return 0;
}