Cod sursa(job #152843)
Utilizator | Data | 9 martie 2008 20:50:39 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.42 kb |
#include<cstdio>
const long mod=1999999973;
long long n,p,nr;
long long putere(long long n, long long p){
if(p==1)return (n % mod);
if(p % 2==1)return putere((n % mod),p-1)*(n % mod);
return putere(((n % mod)*(n % mod)) % mod,p/2);
}
int main(){
freopen("lgput.in","r",stdin);
freopen("lgput.out","w",stdout);
scanf("%lld%lld",&n,&p);
nr=putere(n,p);
printf("%lld\n",nr);
fclose(stdin);
fclose(stdout);
return 0;
}