Cod sursa(job #2071144)
Utilizator | Teo Oprescu MaxTeo | Data | 20 noiembrie 2017 12:59:10 |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.45 kb |
#include <bits/stdc++.h>
#define mod 1999999973
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
long long x,n;
inline long long exponent(long long x,long long n)
{
if(n==0)
return 1;
if(n==1)
return x;
if(n%2==0)
return exponent((x*x)%mod,n/2)%mod;
else
return (x*exponent((x*x)%mod,(n-1)/2))%mod;
}
int main()
{
f>>x>>n;
g<<exponent(x,n);
return 0;
}