Cod sursa(job #2218774)
Utilizator | Data | 5 iulie 2018 17:56:22 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.43 kb |
#include <iostream>
#include <cstdio>
#define mod 1999999973
using namespace std;
int main()
{ int b,p;
FILE *f = fopen ("lgput.in","r");
FILE *g = fopen ("lgput.out","w");
fscanf(f,"%d%d",&b,&p);
long long rez=1,pn;
pn= b;
while(1)
{
if(p%2==1) rez = (rez*pn)%mod;
p = p/2;
pn=(pn*pn)%mod;
if(p==0) break;
}
fprintf(g,"%d",rez);
return 0;
}