Cod sursa(job #1337035)
Utilizator | Data | 8 februarie 2015 15:34:11 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.46 kb |
#include <fstream>
#define MOD 1999999973
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
const int mod=1999999973;
int a,b;
int logexp(int x,int p)
{
long long int a=x;
int i,t=1;
for(i=0;i<32;++i)
{
if (p & 1<<i)
t=1ll*t*a%mod;
a=a*a%mod;
}
return t;
}
int main()
{
long long t;
f>>a>>b;
g<<logexp(a,b);
return 0;
}