Cod sursa(job #147260)
Utilizator | Ionita Alexandru the1dragon | Data | 2 martie 2008 18:49:57 |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.39 kb |
#include<stdio.h>
#define MOD 1999999973
int main()
{
freopen("lgput.in", "r", stdin);
freopen("lgput.out", "w", stdout);
long long a, b, sol=1;
int i=0;
scanf("%d %d", &a, &b);
while (1<<i <= b) ++i;
--i;
for (; i>=0; i--)
{
sol*=sol;
sol%=MOD;
if (b& (1<<i))
sol*=a;
sol*=MOD;
}
sol%=MOD;
printf("%d", sol);
fclose(stdout);
return 0;
}