Cod sursa(job #2174908)
Utilizator | Data | 16 martie 2018 14:09:50 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.42 kb |
#include <fstream>
#define MOD 1999999973
#include <stdio.h>
#include <string.h>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
int n, sol = 1, a, p;
int main()
{
fin >> n >> p;
a = n;
for(int i = 0; (1<<i) <= p; ++i)
{
if( ((1<<i) & p) > 0)
sol = (sol * a)%MOD;
a = (a * a)%MOD;
}
fout << sol;
return 0;
}