Cod sursa(job #2342017)
| Utilizator | Data | 12 februarie 2019 15:48:17 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
| Compilator | cpp-64 | Status | done |
| Runda | Arhiva educationala | Marime | 0.49 kb |
#include <iostream>
#include <bits/stdc++.h>
#define ll long long
#define mod 1999999973
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
int a,n;
int lgput(ll a , ll n) {
if (n==1){
return a;
}
if (n==1) {
return 1;
}
if (n%2==1) {
return lgput (a , n-1)*a%mod;
}
else {
return lgput(a , n/2)*lgput(a , n/2)%mod;
}
}
int main()
{
f >> a >> n;
g << lgput(a , n);
return 0;
}
