Cod sursa(job #1516015)
Utilizator | Data | 2 noiembrie 2015 16:43:46 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.42 kb |
#include <bits/stdc++.h>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
const int MOD = 1999999973;
long long int lgpower(long int x, long int y)
{
if(y==1)
return x;
long long int k=lgpower(x, y/2);
k=(k*k)%MOD;
if(y%2==1)
k=(k*x)%MOD;
return k;
}
int main()
{
long long int a,b;
f>>a>>b;
g<<lgpower(a,b);
return 0;
}