Cod sursa(job #2258863)
Utilizator | Data | 12 octombrie 2018 12:05:54 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.36 kb |
#include<bits/stdc++.h>
using namespace std;
long long n,a,k=1999999973;
long long put(long long n, long long a){
if(n==0)return 1;
if(n==1)return a;
else
if(n%2==0)return put(n/2,a*a);
else
return put(n/2,(a%k*a%k)%k)*a;
}
int main(){
//ifstream cin("lgput.in");
//ofstream cout("lgput.out");
cin>>n;
cin>>a;
cout<<put(n,a);
return 0;
}