Cod sursa(job #690654)
| Utilizator |  FMI-Alex Dobrin Barracuda |
Data | 25 februarie 2012 19:54:24 |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.33 kb |
#include<fstream>
#define mod 1999999973
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
long long a,b;
long long lgput(long long n,long long p){
long long r=1;
while(p!=0){
if(p%2==1)
r=(r*n)%mod;
n=(n*n)%mod;
p/=2;
}
return r;
}
int main (){
f>>a>>b;
g<<lgput(a,b);
return 0;
}