Cod sursa(job #793247)
Utilizator | Data | 2 octombrie 2012 13:28:18 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.44 kb |
#include <cstdio>
#define mod 1999999973
using namespace std;
int n;
int p;
int pow (int p){
if (p == 1){
return n;
}
int x = pow (p / 2);
x = x * x;
if (p % 2 == 0){
return x % mod;
}
return x * n % mod;
}
int main()
{
freopen ("lgput.in", "r", stdin);
freopen ("lgput.out", "w", stdout);
scanf ("%d %d", &n, &p);
printf ("%d", pow(p));
return 0;
}