Cod sursa(job #2282192)
Utilizator | Marius Nicoli mariusn01 | Data | 13 noiembrie 2018 13:55:45 |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.55 kb |
#include<fstream>
#define MOD 1999999973
using namespace std;
long long calcul(long long a, long long b) {
if (b == 0)
return 1;
else {
if (b%2 == 0)
return calcul(a, b/2) * calcul(a, b/2) % MOD;
else
return calcul(a, b/2) * calcul(a, b/2) % MOD * a % MOD;
}
}
long long a, b;
int main () {
ifstream fin ("lgput.in");
ofstream fout("lgput.out");
fin>>a>>b;
fout<<calcul(a, b);
return 0;
}
/*
5 42
calculam 5^21 si inmultim rezultatul cu el insusi
*/