Cod sursa(job #2791097)
| Utilizator | Data | 30 octombrie 2021 09:15:32 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 0 |
| Compilator | cpp-64 | Status | done |
| Runda | Arhiva educationala | Marime | 0.53 kb |
#define int64 long long
#define MOD 1999999973
#include <stdio.h>
using namespace std;
int lgput(int a, int64 n, int64 mod)
{
int p = 1 ;
while (n)
{
if (n & 1)
p = (int64)p * a % mod ;
a = (int64)a * a % mod ;
n >>= 1;
}
return p;
}
int main()
{
FILE *fin, *fout ;
fin = fopen("lgput.in", "r") ;
fout = fopen("lgput.out", "w") ;
int n, p;
fscanf(fin, "%d%d", &n, &p) ;
fprintf(fout, "%d", lgput(p, n, MOD)) ;
return 0;
}
