Mai intai trebuie sa te autentifici.
Cod sursa(job #2048980)
Utilizator | Data | 26 octombrie 2017 19:01:56 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.53 kb |
#include <iostream>
#include <fstream>
#define mod 1999999973
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
unsigned long long lgput(unsigned long long n,unsigned long long p){
if(p==0)
return 1;
else if(p==1)
return n%mod;
else if(p%2)
return (n%mod)*lgput(((n%mod)*(n)%mod)%mod,(p-1)/2);
else
return lgput(((n%mod)*(n%mod))%mod,p/2);
}
int main()
{
unsigned long long n,p;
fin>>n>>p;
fout<<lgput(n,p)%mod;
return 0;
}