Cod sursa(job #2499461)
Utilizator | Data | 26 noiembrie 2019 09:38:39 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.44 kb |
#include <bits/stdc++.h>
using namespace std;
long long n, p, x, r, i;
int a[10000];
int main()
{
ifstream fin("lgput.in");
ofstream fout("lgput.out");
fin >> n >> p;
r=1;
for(i=1; p; i++)
{
a[i]=p%2;
p/=2;
}
while(i)
{
r=(r*r)%1999999973;
if(a[i]==1)
{
r=(r*n)%1999999973;
}
i--;
}
fout <<r;
return 0;
}