Mai intai trebuie sa te autentifici.
Cod sursa(job #2375369)
Utilizator | Data | 8 martie 2019 08:34:30 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.52 kb |
#include <bits/stdc++.h>
#define MOD 1999999973
using namespace std;
long long x, n;
ifstream f("lgput.in");
ofstream g("lgput.out");
void dostuff(){
f >> x >> n; //x^n
}
long long mypow (long long x, long long n){
if (n == 1){
return x;
}
if (n == 0){
return 1;
}
if (n%2){
return (x*mypow(x*x%MOD, (n-1)/2))%MOD;
} else {
return (mypow(x*x%MOD, n/2))%MOD;
}
}
int main()
{
dostuff();
g << mypow (x, n);
return 0;
}