Cod sursa(job #2145637)
Utilizator | Data | 27 februarie 2018 15:01:45 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.42 kb |
#include <fstream>
#include <iostream>
#define mod 1999999973
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
long long n,p;
void pow(long long &a, long long b)
{
long long i,c;
c = a;
for(i=0 ; (1<<i) <= b ; i++)
{
if( b & (1<<i))
a = (a*c)%mod;
a = (a*a)%mod;
}
}
int main()
{
f>>n>>p;
pow(n,p);
g<<n;
}