Cod sursa(job #2252000)
Utilizator | Data | 2 octombrie 2018 11:29:39 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.48 kb |
#include <iostream>
#include <fstream>
using namespace std;
#define MOD 1999999973
long long LgPut(long long a, long long n)
{
int sol = 1;
while(n)
{
if(n & 1)
{
sol *= a;
sol %= MOD;
}
n /= 2;
a *= a;
a %= MOD;
}
return sol;
}
int main()
{
int a,n ;
ifstream fi("lgput.in");
fi>>a>>n;
fi.close();
ofstream fo("lgput.out");
fo<<LgPut(a,n);
}