Cod sursa(job #2755878)
Utilizator | Data | 28 mai 2021 17:29:51 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.39 kb |
#include <fstream>
#define MODULO 1999999973
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
int exp(int a, int e){
int sol = 1;
for(int i=0;(1<<i)<=e;++i){
if( ( (1<<i) & e) > 0 )
sol = (a*sol)%MODULO;
a = (a*a)%MODULO;
}
return sol;
}
int main(){
int n, p;
fin>>n>>p;
fout<<exp(n, p)%MODULO;
return 0;
}