Cod sursa(job #2377739)
| Utilizator | Data | 11 martie 2019 00:44:08 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
| Compilator | cpp-64 | Status | done |
| Runda | Arhiva educationala | Marime | 0.47 kb |
#include <iostream>
#include <fstream>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
int ridicare(int n,int p)
{
const int h=1999999973;
int r=1;
while(p!=0){
if(p%3==1)r=(1LL*r*n)%h;
else{
if(p%3==2)r=(1LL*((1LL*r*n)%h)*n)%h;
}
n=(1LL*((1LL*n*n)%h)*n)%h;
p=p/3;
}
return r;
}
int main()
{
int p,n;
f>>n>>p;
g<<ridicare(n,p);
return 0;
}
