Cod sursa(job #2356319)
Utilizator | Data | 26 februarie 2019 16:54:19 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.49 kb |
#include <bits/stdc++.h>
#define MOD 1999999973
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
long long putere(int x,int p)
{
long long int nr=1;
while(p>=1)
{
if(p%2)
{
nr=(nr*x)%MOD;
p--;
}
else
{
x=(x*x)%MOD;
p/=2;
}
}
return nr%MOD;
}
int main()
{
int a,p;
fin>>a>>p;
fout<<putere(a,p)%MOD;
return 0;
}