Cod sursa(job #2403664)
| Utilizator | Data | 11 aprilie 2019 19:17:28 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
| Compilator | cpp-64 | Status | done |
| Runda | Arhiva educationala | Marime | 0.58 kb |
#include<bits/stdc++.h>
using namespace std;
long long M = 1999999973;
fstream in("lgput.in");
ofstream out("lgput.out");
long long lgpow(long long n, long long p){
long long x = 1;
if (p == 0) return x;
while(p > 1){
if(p % 2 == 0){
n = (n % M) * (n % M);
p /= 2;
}
else{
x = (n % M) * (x % M);
n = (n % M) * (n % M);
p = (p - 1) / 2;
}
}
return (x % M) * (n % M);
}
int main(){
long long n, p;
in >> n >> p;
out << lgpow(n,p);
}
