Cod sursa(job #1331226)
Utilizator | Data | 31 ianuarie 2015 13:58:27 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.48 kb |
#include <cstdio>
#define MOD 1999999973
long long fast (long long a, long long n){
long long sol = 1;
while (n>0){
if (n%2!=0){
sol*=a%MOD;
n--;}
a=a*a%MOD;
n=n/2;}
return sol%MOD;
}
int main(){
freopen ("lgput.in", "r", stdin);
freopen ("lgput.out", "w", stdout);
long long a,n;
scanf ("%lld %lld", &a, &n);
printf ("%d", fast(a,n));
return 0;
}