Cod sursa(job #397701)
Utilizator | Data | 17 februarie 2010 12:53:04 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.33 kb |
#include<stdio.h>
#define mod 1999999973
long long n, p, i, x, sol;
int main()
{ freopen("lgput.in", "r", stdin);
freopen("lgput.out", "w", stdout);
scanf("%lld%lld", &n, &p);
x=n; sol=1;
for(i=0; (1<<i)<=p; i++)
{ if( ((1<<i)&p) > 0)
sol=(sol*x)%mod;
x=(x*x)%mod;
}
printf("%lld\n", sol);
return 0;
}