Cod sursa(job #2655399)
Utilizator | Data | 4 octombrie 2020 11:49:06 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.47 kb |
#include <iostream>
#include <cmath>
#include <fstream>
using namespace std;
const long long MOD=1999999973;
long long v(int n,int p)
{
if(p==0)
return 1;
if(p==1)
return n%MOD;
if(p%2==0)
return v(pow(n,2),p/2)%MOD;
else
return n*v(pow(n,2),(p-1)/2)%MOD;
}
int main()
{
ifstream f("lgput.in");
long long n,p;
f>>n>>p;
f.close();
ofstream g("lgput.out");
g<<v(n,p);
g.close();
return 0;
}