Cod sursa(job #2467798)
Utilizator | Data | 5 octombrie 2019 08:21:12 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.43 kb |
#include <bits/stdc++.h>
#define MOD 1999999973
#include <fstream>
using namespace std;
int LogP(int a,int n)
{
int p=1;
while(n>0)
{
if(n%2==1) p=1LL*p*a%MOD;
n/=2;
a=1LL*a*a%MOD;
}
return p;
}
int main()
{
int a,b;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
fin>>a>>b;
fout<<LogP(a,b)<<"\n";
fout.close();
return 0;
}