Cod sursa(job #2871068)
Utilizator | Data | 12 martie 2022 20:40:02 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.42 kb |
#include <fstream>
#define mod 1999999973
using namespace std;
ifstream cin("lgput.in");
ofstream cout("lgput.out");
int lgput(int a,int b)
{
if(!b)
return 1;
int p=1;
while(b)
{
if(b%2)
p*=a;
a*=a;
a%=mod;
p%=mod;
b/=2;
}
return p;
}
int main()
{
int a,b;
cin>>a>>b;
cout<<lgput(a,b);
return 0;
}