Cod sursa(job #1305904)
Utilizator | Data | 30 decembrie 2014 12:21:14 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.41 kb |
#include <fstream>
#define MOD 1999999973
using namespace std;
long long rec(long long a, long long b) {
if (b == 0)
return 1;
long long c = rec(a, b/2);
if (b%2 == 0)
return c * c % MOD;
else
return c * c % MOD * a % MOD;
}
ifstream fin ("lgput.in");
ofstream fout("lgput.out");
long long a, b;
int main() {
fin>>a>>b;
fout<<rec(a,b);
}