Cod sursa(job #1650200)
Utilizator | Cristian Nacu NacuCristian | Data | 11 martie 2016 17:11:10 |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.6 kb |
#include <iostream>
#include <stdio.h>
#define mod 1999999973
using namespace std;
int a,b;
int lgput(int p)
{
if(p>1)
{
if(!p%2)
{
int t=lgput(p/2);
t%=mod;
return (t*t)%mod;
}
else
{
int t=lgput(p-1);
t%=mod;
return t*a;
}
}
return a;
}
void citire()
{
freopen("lgput.in","r",stdin);
freopen("lgput.out","w",stdout);
scanf("%d %d",&a, &b);
printf("%d",(lgput(b)%mod));
}
int main()
{
citire();
return 0;
}