Cod sursa(job #1667742)
Utilizator | Data | 29 martie 2016 10:31:49 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.39 kb |
#include <bits/stdc++.h>
using namespace std;
ifstream f ("lgput.in");
ofstream g ("lgput.out");
long long n,p,x;
long long lgput(long long a, long long b){
if(b==1) return a;
else{
x=lgput(a,b/2);
if(b%2==0) return (x*x)%1999999973;
else return (a*x)%1999999973;
}
}
int main()
{
f>>n>>p;
g<<lgput(n,p)%1999999973<<'\n';
return 0;
}