Cod sursa(job #2668290)

Utilizator enedumitruene dumitru enedumitru Data 4 noiembrie 2020 18:58:19
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.29 kb
Raporteaza aceasta sursa 
#include <fstream>
#define M 1999999973
using namespace std;
ifstream f("lgput.in"); ofstream g("lgput.out");
int main()
{   int a,b;
    f>>a>>b;
    int r=1;
    for(;b;b>>=1)
    {   if(b&1) r=(1LL*r*a)%M;
        a=(1LL*a*a)%M;
    }
    g<<r; g.close(); f.close();
    return 0;
}