Cod sursa(job #330910)
| Utilizator | Data | 11 iulie 2009 23:31:37 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 20 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.49 kb |
#include <iostream>
using namespace std;
#define mod 1999999973
long long n,p;
long long lg (long long n, long long p){
if (p==0) return 1;
else
if (!p%2){
long long k=lg(n,p/2);
return (k%mod*k%mod)%mod;
}
else {
long long k=lg(n,p-1);
return (k*n)%mod;
}
}
int main(){
freopen ("lgput.in", "r", stdin);
scanf("%ld %ld", &n, &p);
fclose(stdin);
freopen ("lgput.out", "w", stdout);
printf("%ld", lg(n,p)%mod);
fclose(stdout);
return 0;
}