Cod sursa(job #2475269)
| Utilizator | Data | 16 octombrie 2019 17:25:05 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
| Compilator | cpp-64 | Status | done |
| Runda | Arhiva educationala | Marime | 0.53 kb |
#include <bits/stdc++.h>
#define MOD 1999999973
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
int lgput(int n, int p)
{
int r = 1, rez;
if(!p) return 1;
while(p > 1)
{
if(p % 2 == 0) n = (1LL * n * n) % MOD;
else
{
r = (1LL * r * n) % MOD;
n = (1LL * n * n) % MOD;
}
p = p / 2;
}
rez = (1LL * n * r) % MOD;
return rez;
}
int a, b;
int main()
{
f >> a >> b;
g << lgput(a, b);
return 0;
}
